Diagram sections — 33 (119 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS NAVIGATION PASSIVE RESTRAINTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 3) for Lexus IS 250C 2013 List of elements for Automatic A/C Wiring Diagram (1 of 3) for Lexus IS 250C 2013: 71 (right side of dash) power source control ecu A/c amplifier (center of dash) A/c fuse 7.5a A/c pressure sensor (left side of radiator) A/c room temperature sensor (cooler thermistor) (left center of dash) A11 A27 Automatic light control sensor B1 (right front of engine compt) Ba2 Ba3 Bllh Blrh Blw Computer data lines system D12 D13 D29 Dgs Dgs1 Ecu-ig lh fuse 10a Gnd Hot at all times Htr1 Htr2 Ig+ Ig1d J/c a33 & j80 (right a33 kick panel) J/c a7 & a8 (left side of engine compt) J/c j70 (right side of dash) J1 (left kick panel) J58 J59 J80 Ja3 Ja4 Jk1 Left cowl side j/b (left end of dash) Lh-ig fuse 10a Lh-ig1 relay Lh-ig2 relay Lout Mhtr Mpx+ Mpx- Pnk Pre Rdfg Rear window defogger switch Red Right cowl side j/b (right end of dash) Rout S5-2 S5-4 Seat heater switch (if equipped) Seats system Sg-1 Sg-2 Sg-4 Sg-6 Smog ventilation sensor (3.5l) (front of radiator) Sol+ Solar sensor Svs5 Svsg Sw4 Sw5 Tsd Tsl Tsp Tsr Automatic A/C Wiring Diagram (2 of 3) for Lexus IS 250C 2013 List of elements for Automatic A/C Wiring Diagram (2 of 3) for Lexus IS 250C 2013: 44 (right side of dash) 2.5l 3.5l A5 (right rear of engine compt) Acmg Ae1 Ba2 Canh Canl Computer data lines system Cooler (ambient temperature sensor) thermistor (left center of front bumper fascia) Cooling unit motor sub-assembly w/ fan Crank position sensor (left front of engine) E1 (left rear of engine) Ea1 Efi engine coolant temperature sensor (rear of engine) Engine control module (left front of engine compt) Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Etam Ethw Fan Fan1 fuse 40a Fan2 Fan2 fuse 40a Glw plg1 fuse 50a Glw plg2 fuse 50a Glw rly 1 relay Glw rly 2 relay Gnd Heater fuse 50a Hot at all times J/c a8 (left side of engine compt) J/c e1 (left side of engine compt) Ja4 Lck1 Nca Ne+ Ne- Pnk Red Tam Thw Water by-pass glow plug Automatic A/C Wiring Diagram (3 of 3) for Lexus IS 250C 2013 List of elements for Automatic A/C Wiring Diagram (3 of 3) for Lexus IS 250C 2013: 41 (left side of engine compt) j/c a10 & e1 2.5l 3.5l A/c amplifier (center of dash) A/c blower assembly A/c comp fuse 7.5a A/c comp relay A/c evaporator temperature sensor A10 A2 (left rear of engine compt) A3 (left rear of engine compt) Ae1 B bus B2 (left front of engine compt) Ba1 Bus Bus g Compressor assembly w/ magnet clutch Connector housing color (black) Connector housing color (green) Connector housing color (natural) Connector housing color (red) Cooling fan motor 1 (left front of engine compt) Cooling fan motor 2 (right front of engine compt) Damper servo motor (air inlet) Damper servo motor (air mix driver side) Damper servo motor (air mix front passenger side) Damper servo motor (air vent mode) Damper servo motor (cool air bypass) E1 (left rear of engine) Engine room r/b 2 (left side of engine compt) Fan 1 relay Fan 2 relay Fan 3 relay Flow control valve Hot at all times J/c a7 & a8 (left side of engine compt) J/c a9 (left side of engine compt) Lock sensor Magnetic clutch Red
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 2) for Lexus IS 250C 2013 List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Lexus IS 250C 2013: 74 (left rear of engine compt) a2 +bs A24 A25 A3 (left rear of engine compt) A33 Abs 1 fuse 50a Abs 2 fuse 30a Ap1 Aq1 Brake actuator assembly Brake pedal load sensing switch (left side of dash) Buzzer Canh Canl Computer data lines system Csw D12 D14 Data link connector (dlc) 3 (left side of dash) Ecu-ig rh fuse 10a Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Fl+ Fl- Flo Fr+ Fr- Fro Fsw+ Gauge fuse 7.5a Gnd1 Gnd2 Hot at all times Hot w/ ig2 relay energized Ig1 Ig1d Interior lights system J/c a15 (left rear corner of engine compt) J/c a20 (left end of dash) J/c a33 & j80 (right kick panel) J/c a9 (left side of engine compt) J/c j27 (left side of dash) J4 (right kick panel) J80 Ja3 L10 Left front speed sensor (left front wheel hub assembly) Left rear speed sensor (left rear wheel hub assembly) Mpx-b fuse 10a Parking brake switch (base of parking brake foot lever assembly) Pkb Pnk Power source control ecu (right side of dash) Red Rh- ig1 relay Right cowl side j/b (right end of dash) Right front speed sensor (right front wheel hub assembly) Right rear speed sensor (right rear wheel hub assembly) Rl+ Rl- Rr+ Rr- Skid control buzzer (dynamic radar cruise control) (left side of dash) Sp1 Stop sw fuse 7.5a Stp1 Stp2 Stpo Va1 Vsc off switch (center of dash) Wa1 Xp1 Yq1 Anti-lock Brakes Wiring Diagram (2 of 2) for Lexus IS 250C 2013 List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Lexus IS 250C 2013: 63 (left side of dash) A10 A29 Abs ind Ae1 Bat Brake fluid level warning switch (brake master cylinder reservoir sub-assembly) (brake fluid reservoir) Brake ind Brk-lp relay Canh Canl Combination meter assembly Computer data lines system D12 D13 D29 Ecu-ig lh fuse 10a Engine control module (left front of engine compt) Engine room r/b 2 (left side of engine compt) Ess Gnd Headlamp leveling ecu (left kick panel) Hot at all times Ig+ Ig2 or dome +b Ind master Input circuit J/c a15 (left rear corner of engine compt) J/c a29 & j10 (left kick panel) J/c a33 (right kick panel) J/c a7 & a8 (left side of engine compt) J/c j27 (left side of dash) J/c j70 (right side of dash) J1 (left kick panel) J10 J2 (under center console) J34 J35 J4 (right kick panel) Ja3 Left cowl side j/b (left end of dash) Lh- ig1 relay Lh- ig2 relay Lh-ig fuse 10a Micro computer Micro computer (sub) Mpx+ Mpx- Multi information display Out Park/neutral position switch assembly (on transmission) Pnk Red Right cowl side j/b (right end of dash) Slip ind Slip off ind Spdl Spdr Steering sensor (on steering column) Stop lamp control relay (left side of dash) Stop lamp switch Stp Yaw rate sensor (under center console)
ANTI-THEFT Anti-theft Wiring Diagram (1 of 5) for Lexus IS 250C 2013 List of elements for Anti-theft Wiring Diagram (1 of 5) for Lexus IS 250C 2013: 72 2.5l hid w/ headlight cleaner A24 A36 Acc Acc fuse 7.5a Act+ Act- Actd Altb Batb Becu Bzr Computer data lines system D10 Dcty Diode (luggage compartment lamp) (left side of trunk) Ecu-ig rh fuse 10a Except 2.5l hid w/ headlight cleaner Fr door rh fuse 20a Gnd Gnd1 Gnd2 Haz Headlights system Hot at all times Hot in on or acc Hot in on or start Hrly Ind Integration control & panel assembly J/c a15 (left rear corner of engine compt) J/c j27 (left side of dash) J17 J18 J2 (under center console) J21 J24 J3 (under center console) J74 J75 Jp2 Jq1 Key lock Key unlock Kul L1 (center of trunk) Left front door courtesy light switch assembly Left front door lock assembly (driver's door) Lgcy Lp1 Lsw Lswp Mpx1 Mpx2 Mq1 Multi- display assembly Pcty Power window regulator master switch assembly Q1 (left "b" pillar) Right cowl side j/b (right end of dash) Right front door courtesy light switch assembly Right front door lock assembly (front passenger's door) Right main body ecu Secu Security horn assembly (right rear of engine compt) Security indicator light Ti & te fuse 20a Tr+ Unlock detection W/ navigation W/o navigation Wireless door lock buzzer (inside left front wheelwell) Anti-theft Wiring Diagram (2 of 5) for Lexus IS 250C 2013 List of elements for Anti-theft Wiring Diagram (2 of 5) for Lexus IS 250C 2013: 46 A12 A30 Acty Bdcy Computer data lines system D11 D12 D18 Door Fr door lh fuse 20a Gnd Haz Hot at all times Hot in on or start J/c j71 (right side of dash) J/c j80 (right side of dash) J/c m14 (driver's door) J1 (left kick panel) J2 (under center console) J29 Jq1 Jr2 Lct Left cowl side j/b (left end of dash) Left main body ecu Lh-ig fuse 10a Light left dome Light right dome Lpsw Luggage compartment door lock assembly Luggage electrical key switch (center rear of trunk) Map light assembly Mpx1 Mpx2 Mpxb Mq1 Mq2 Q2 (left side of trunk) Q35 Qh1 Red Right cowl side j/b (right end of dash) Sliding roof control ecu (center of trunk) Turn signal flasher (left side of dash) W/ memory W/o memory Anti-theft Wiring Diagram (3 of 5) for Lexus IS 250C 2013 List of elements for Anti-theft Wiring Diagram (3 of 5) for Lexus IS 250C 2013: 36 (right rear of vehicle) p2 A2 (left rear of engine compt) A29 Ap1 Aq1 B1 (right front of engine compt) Computer data lines system Data Dome fuse 10a Door control receiver (center of trunk) Engine hood courtesy switch (center front of engine compt) Engine room j/b 2 (left side of engine compt) Engine room r/b 1 (right rear of engine compt) Foot light Front controller Gnd Horn (high) (front of radiator) Horn (low) (front of radiator) Horn fuse 10a Horn relay Hot at all times J/c a29 & j10 (left kick panel) a29 J/c l11 (front passenger's door) J/c m14 (driver's door) J10 Left outer rear view mirror Lp1 Lp2 Mlp Mlp- Mpx-b fuse 10a Mq1 Qp2 Red Right outer rear view mirror Rssi Anti-theft Wiring Diagram (4 of 5) for Lexus IS 250C 2013 List of elements for Anti-theft Wiring Diagram (4 of 5) for Lexus IS 250C 2013: 71 (front passenger's door) j/c l11 (in left front door) left front door handle electrical key antenna (in right front door) right front door handle electrical key antenna (left rear of luggage compt) rear indoor electrical key oscillator (right side of crossmember) (right side of luggage compt) outside luggage electrical key antenna (right side of trunk) certification ecu (under center console) indoor console electrical key oscillator +b1 Acc Agnd Ant1 Ant2 Antenna coil Cg1b Cg2b Cg5b Cg6b Cg7b Cg8b Clg Clg1 Clg2 Clg5 Clg6 Clg7 Clg8 Clgb Code Com Computer data lines system Engine switch Gnd Indoor luggage compartment electrical key oscillator (center front of luggage compt) Inds Inow Jp2 Left front door electrical key oscillator (in left front door) Lin Lp2 Mpx1 Mpx2 Mq2 P1 (right side of crossmember) Pnk Q1 (left "b" pillar) Qp1 Qp2 Rc0 Rda Red Right front door electrical key oscillator (in right front door) Rssi Sel Sel1 Sel2 Sen1 Sen2 Sens Sgt Ss1 Ss2 Swil Trg+ Trg- Tsw1 Tsw2 Txct Vc5 W/ memory W/o memory Anti-theft Wiring Diagram (5 of 5) for Lexus IS 250C 2013 List of elements for Anti-theft Wiring Diagram (5 of 5) for Lexus IS 250C 2013: 79 A25 A27 A29 Accd Am1 Am2 Am2 fuse 7.5a Canh Canl Combination meter assembly Computer data lines system Ctsw D11 D12 Door ind Efii Efio Engine control module (left front of engine compt) Gauge fuse 7.5a Gnd Gnd2 Hot at all times Hot in on or start Id code box (center of dash) Ig+ Ig1d Ig2 or dome +b Ig2d Ign fuse 10a Imi Imo Inds Indw Input circuit J/c a29 & j10 (left kick panel) J/c a33 (right kick panel) J/c j10 (left kick panel) J/c j27 (left side of dash) J/c j71 (right side of dash) J/c j80 (right side of dash) J1 (left kick panel) J10 J2 (under center console) Ja3 Jp2 Left cowl side j/b (left end of dash) Lin Lin1 Master ind Micro computer Micro computer (sub) Mpx+ Mpx- Mpx1 Mpx2 Multi information display Pnk Power distribution system Power source control ecu (right side of dash) Red Right cowl side j/b (right end of dash) Security fuse 7.5a Shift interlock system Sksw Slp Slr+ Spd Ssw1 Ssw2 Starting/charging system Steering lock actuator (steering column) Stop lamp switch (left side of dash) Stop sw fuse 7.5a Stp Str1 Str2 Stsw Swil Tach
BODY CONTROL MODULES Body ECU Wiring Diagram (1 of 2) for Lexus IS 250C 2013 List of elements for Body ECU Wiring Diagram (1 of 2) for Lexus IS 250C 2013: 96 (right side of trunk) certification ecu A11 A15 A20 A24 A36 Acan Acc Acc fuse 7.5a Act+ Act- Actd Altb Anti-theft system Batb Becu Bzr Cltb Clte Clts Cspt D17 Data link connector (dlc) 3 (left side of dash) Dcm (telematics transceiver) (right side of dash) Dcty Dcyl Dia Door locks system Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Exterior lights system Fr door rh fuse 20a Fspt Fuel Fusw Gnd1 Gnd2 Gsw Haz Hdlo Head Headlights system Hot at all times Hot in on or acc Hot in on or start Hrly Ind Instrument cluster system Interior lights system J/c j27 (left side of dash) J/c j80 (right side of dash) J101 J2 (under center console) J21 J4 (right kick panel) J74 J75 Jp2 L10 Lgcy Lswp Memory systems Memory systems & electronic power steering systems Mirb Mire Mirs Mpd1 Mpx-b fuse 10a Mpx1 Mpx2 Multiplex tilt & telescopic ecu (on steering column) Network gateway ecu (right side of dash) Obd2 Occupant classification ecu (if equipped) (under front passenger's seat) Parking brake switch (base of parking brake foot lever assembly) Pcty Pcyl Pkb Pnk Pt2 Pwr Red Ret Right cowl side j/b (right end of dash) Right main body ecu (right end of dash) Sil Snow Ti & te fuse 20a Tkul To j/c j27 (diagram 2 of 2) Tr+ Transmissions system Trly Trunk, tailgate, fuel doors system Tsw Wiper/washer system Body ECU Wiring Diagram (2 of 2) for Lexus IS 250C 2013 List of elements for Body ECU Wiring Diagram (2 of 2) for Lexus IS 250C 2013: 43 A15 A16 A19 A30 Acty Altl Back Bdcy Combination meter assembly D18 Engine room j/b 2 (left side of engine compt) Exterior lights system Fr wip fuse 30a From right cowl side j/b (diagram 1 of 2) Front controller Gnd Headlights system Hot in run or start Ile1 Interior lights system J/c j27 (left side of dash) J1 (left kick panel) J2 (under center console) J34 Left cowl side j/b (left end of dash) Left main body ecu (left end of dash) Lh-ig fuse 10a Lpsw Mpx1 Mpx2 Mpxb Navigation system Pnk Q36 S/m S/s Sftp Sgnd Sliding roof control ecu (center of trunk) Trunk, tailgate, fuel doors system Wig Wiper/washer system Wng Front Controller Wiring Diagram for Lexus IS 250C 2013 List of elements for Front Controller Wiring Diagram for Lexus IS 250C 2013: 44 (except hid) (hid) 20a A2 (left rear of engine compt) Body ecu circuit D15 D18 Door locks system Ecu-ig lh fuse 10a Engine room j/b 2 (left side of engine compt) Engine room r/b 1 (right rear of engine compt) Exterior lights system Front controller G10 G11 G12 G13 H-lp upr fuse 15a Headlights system Horn fuse 10a Horn relay Horns system Hot at all times Hot in on or start Instrument cluster system J/c j27 (left side of dash) J/c q7 & u1 (under driver's seat) Jr2 Left cowl side j/b (left end of dash) Left front seat position control ecu & switch (w/ memory) (under driver's seat) Left outer mirror control ecu (left front door) M10 Mpx Mpx-b fuse 10a Mpx1 Mpx2 Mq1 Power source control ecu (right side of dash) Rain sensor (front center of roof at windshield) Right cowl side j/b (right end of dash) W/ auto wiper W/ head hi relay W/ memory Wiper/washer system Integration Control and Panel Wiring Diagram for Lexus IS 250C 2013 List of elements for Integration Control and Panel Wiring Diagram for Lexus IS 250C 2013: 30 A24 Acc Acc fuse 7.5a Anti-theft system D12 D14 D27 Ecu ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Exterior lights system Hot at all times Hot in on or acc Hot in on or start Ig+ Ill+ Ill- Integration control & panel assembly Interior lights system J/c j27 (left side of dash) J1 (left kick panel) Left cowl side j/b (left end of dash) Mpx-b fuse 10a P-ab Paon Pnk Red Right cowl side j/b (right end of dash) Sound systems Tx+ Tx-
COMPUTER DATA LINES Data Link Connector Wiring Diagram for Lexus IS 250C 2013 List of elements for Data Link Connector Wiring Diagram for Lexus IS 250C 2013: 38 A10 Bat Brake actuator assembly Canh Canl Combination meter assembly D11 D28 Data link connector (dlc) 3 (left side of dash) Dcm (telematics transceiver) (right side of dash) Dia E1 (left rear of engine) Engine control module (left front of engine compt) High/low bus circuit Hot at all times J/c a10 & e1 (left side of engine compt) J/c j10 (left kick panel) J/c j27 (left side of dash) J/c j70 (right side of dash) J/c j80 (right side of dash) J1 (left kick panel) J101 J34 J74 Ja3 Jp2 L10 Left cowl side j/b (left end of dash) Main body ecu Network gateway ecu (right side of dash) Obd fuse 7.5a Obd2 Occupant classification ecu (w/ occupant classification system) (under front passenger's seat) Pt2 Red Right cowl side j/b (right end of dash) Sil Tac High/Low Bus Wiring Diagram (1 of 3) for Lexus IS 250C 2013 List of elements for High/Low Bus Wiring Diagram (1 of 3) for Lexus IS 250C 2013: 53 (right kick panel) j4 A/c amplifier (center of dash) A20 A24 Acc Acc fuse 7.5a Batt Ca1h Ca1l Canh Canl Clearance warning ecu (w/ parking assist) (left side of trunk) Combination meter D12 D14 D27 Data link connector (dlc) 3 (left side of dash) Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Gnd Gtx+ Gtx- Hot at all times Hot in on or acc Input circuit J/c j27 (left side of dash) J/c j71 (right side of dash) J/c j80 (right side of dash) J1 (left kick panel) J21 J34 J58 J75 Jq1 Left cowl side j/b (left end of dash) Main body ecu Micro computer Mpd1 Mpd2 Mpi1 Mpi2 Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Network gateway ecu (right side of dash) Pnk Red Rh- ig 1 relay Right cowl side j/b (right end of dash) Sil Tire pressure warning ecu (if equipped) (center of dash) High/Low Bus Wiring Diagram (2 of 3) for Lexus IS 250C 2013 List of elements for High/Low Bus Wiring Diagram (2 of 3) for Lexus IS 250C 2013: 34 (center of trunk) sliding roof control ecu (on steering column) (if equipped) multiplex tilt & telescopic ecu (right front door) (w/ memory) right outer mirror control ecu (right side of dash) power source control ecu (right side of trunk) certification ecu assembly (under front passenger's seat) (w/ memory) right front position control ecu & switch A31 Canh Canl Ig1d J/c j1 (left kick panel) J/c j2 (left kick panel) J/c p24 (right side of trunk) J114 J26 Ja4 Jp2 L10 Lp1 Mpx1 Mpx2 Mq1 Multi-media module receiver assembly (w/ navigation system) P49 Pnk Power steering ecu (right rear of engine compt) Power window regulator master switch assembly Pt1 Q36 Qp2 Red Right front power window regulator switch assembly Seat belt control ecu (w/ pre-collision system) (left side of trunk) Windshield wiper switch assembly High/Low Bus Wiring Diagram (3 of 3) for Lexus IS 250C 2013 List of elements for High/Low Bus Wiring Diagram (3 of 3) for Lexus IS 250C 2013: 57 (left front door) (w/ memory) left outer mirror control ecu A30 Atx+ Atx- Brake actuator assembly Canh Canl Center air bag sensor assembly (under center console) D15 Distance control ecu (w/ dynamic radar cruise control) (left side of dash) Engine control module (left front of engine compt) Engine room j/b 2 (left side of engine compt) Front controller Integration control & panel assembly (w/o navigation) J/c q7 & u1 (under driver's seat) J100 J113 J114 J47 J95 J96 J98 J99 Ja3 Jp1 Jr2 Left cowl side j/b (left end of dash) Left front position control ecu & switch (w/ memory) (under driver's seat) M10 Main body ecu Mpx Mpx1 Mpx2 Mq1 Multi-display assembly Multi-media module receiver assembly Multimedia interface ecu (lower right side of dash) P30 Pnk Radio receiver assembly Rain sensor (w/ auto wiper) (front center of roof at windshield) Red Steering sensor (on steering column) Stereo component amplifier (w/o navigation) (right side of trunk) Tx+ Tx- Tx1+ Tx1- Tx2+ Tx2- Tx3+ Tx3- Txm+ Txm- W/ navigation W/o navigation Yaw rate sensor (under center console)
COOLING FAN Cooling Fan Wiring Diagram for Lexus IS 250C 2013 List of elements for Cooling Fan Wiring Diagram for Lexus IS 250C 2013: 53 (left side of engine compt) engine room r/b 2 2.5l 3.5l A/c amplifier (center of dash) A/c pressure sensor (left side of radiator) A3 (left rear of engine compt) B2 (left front of engine compt) Ba1 Ba3 Canh Canl Computer data lines system Cooling fan motor 1 (left front of engine compt) Cooling fan motor 2 (right front of engine compt) Crank position sensor (left front of engine) D12 D13 E1 (left rear of engine) Efi engine coolant temperature sensor (rear of engine) Engine control module (left front of engine compt) Engine room j/b 1 (right rear of engine compt) Ethw Fan Fan 1 relay Fan 2 relay Fan 3 relay Fan1 fuse 40a Fan2 Fan2 fuse 40a Hot at all times Ig1d J/c a7 & a8 (left side of a7 engine compt) J/c a7 & a8 (left side of engine compt) J/c e1 (left side of engine compt) J1 (left kick panel) J58 Ja3 Left cowl side j/b (left end of dash) Lh-ig fuse 10a Lh-ig1 relay Mpx+ Mpx- Nca Ne+ Ne- Pnk Power source control ecu (right side of dash) Pre Red Right cowl side j/b (right end of dash) S5-2 Sg-2 Thw
CRUISE CONTROL Cruise Control Wiring Diagram, with Dynamic Radar Controls (1 of 3) for Lexus IS 250C 2013 List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (1 of 3) for Lexus IS 250C 2013: 67 +b1 +res -set A10 A2 (left rear of engine compt) Accelerator position sensor (accelerator pedal assembly (left side of dash) Anti-lock brakes system Batt Cancel Canh Canl Cchg Ccs Computer data lines system Control steering right distance Cruise control main switch Cruise control switch D12 D13 E1 (left rear of engine) Efi fuse 25a Efi main relay Engine control module (left front of engine compt) Engine controls system Engine room j/b 2 (left side of engine compt) Epa Epa2 Gauge fuse 7.5a Hot at all times Hot w/ ig2 relay energized Ig1d Ign fuse 10a Igsw J/c a10 & e1 (left side of engine compt) J/c a29 (left kick panel) J/c a9 (left side of engine compt) J/c j27 (left side of dash) J/c j70 (right side of dash) J24 J4 (right kick panel) Ja3 Lgnd Mode Mrel On/off Pad switch Paddle shift switch Pnk Power source control ecu (right side of dash) Red Rh-ig fuse 7.5a Rh-ig1 relay Right cowl side j/b (right end of dash) Right paddle shift switch Sftd Sftu Shift switch left paddle Spd Spiral cable sub- assembly (under steering wheel) St1- Steering pad switch assembly Stop lamp switch (left side of dash) Stp Vcp2 Vcpa Vpa Vpa2 Cruise Control Wiring Diagram, with Dynamic Radar Controls (2 of 3) for Lexus IS 250C 2013 List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (2 of 3) for Lexus IS 250C 2013: 54 (left front of engine compt) engine control module +bm 2.5l 3.5l A10 A33 Ae1 Combination meter assembly Computer data lines system Cruise ind D12 D13 D29 E01 E02 E03 E1 (left rear of engine) E2 (right rear of engine) Ecu-ig lh fuse 10a Engine room r/b 1 (right rear of engine compt) Engine room r/b 2 (left side of engine compt) Etcs fuse 10a Ge01 Hot at all times Ig+ Ig2 or dome +b Input circuit J/c a10 & e1 (left side of engine compt) J/c a33 & j80 (right kick panel) J/c j27 (left side of dash) J1 (left kick panel) J2 (under center console) J34 J80 Ja3 Left cowl side j/b (left end of dash) Lh-ig fuse 10a Lh-ig1 relay Lh-ig2 relay Me01 Micro computer Mpx+ Mpx- Mpx-b fuse 10a Nca Pnk Red Right cowl side j/b (right end of dash) Speedometer Throttle w/ motor body assembly Transmission control switch (below center console) Vc2 Vta1 Vta2 Cruise Control Wiring Diagram, with Dynamic Radar Controls (3 of 3) for Lexus IS 250C 2013 List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (3 of 3) for Lexus IS 250C 2013: 62 (left front wheel hub assembly) (left side of engine compt) j/c e1 A10 Ap1 Aq1 Ba2 Brake actuator assembly Ca1h Ca1l Canh Canl Computer data lines system Distance control ecu (left side of dash) E1 (left rear of engine) Electronically controlled transmission solenoid (on transmission) Engine control module (left front of engine compt) Eoil Fl+ Fl- Fr+ Fr- Gnd Igb J/c a10 & e1 (left side of engine compt) J/c e49 (left side of engine compt) Ja3 Ja4 Left front speed sensor Left rear speed sensor (on left rear wheel hub assembly) Lgnd Lrdd Lrrd Millimeter wave radar sensor (front of vehicle) Mode Mpi1 Mpi2 Network gateway ecu (right side of dash) Oil Park/neutral position switch (on transmission) Pnk Red Right front speed sensor (right front wheel hub assembly) Right rear speed sensor (on right rear wheel hub assembly) Rl+ Rl- Rr+ Rr- Sgnd Sl1+ Sl1+ red Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Sp1 Va1 Wa1 Xp1 Yq1 Cruise Control Wiring Diagram, without Dynamic Radar Controls (1 of 3) for Lexus IS 250C 2013 List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (1 of 3) for Lexus IS 250C 2013: 64 (left kick panel) j/c a29 +b1 +res -set A10 A2 (left rear of engine compt) Accelerator position sensor (accelerator pedal assembly) (left side of dash) Batt Cancel Canh Canl Ccs Computer data lines system Cruise control main switch Cruise control switch D12 D13 E1 (left rear of engine) Efi fuse 25a Efi main relay Engine control module (left front of engine compt) Engine controls system Engine room j/b 2 (left side of engine compt) Epa Epa2 Gauge fuse 7.5a Hot at all times Hot w/ ig2 relay energized Ig1d Ign fuse 10a Igsw J/c a10 & e1 (left rear of engine compt) J/c a33 (right kick panel) J/c a9 (left side of engine compt) J/c j27 (left side of dash) J/c j70 (right side of dash) J24 J4 (right kick panel) Ja3 Left paddle shift switch Mrel On/off Paddle shift switch Pnk Power source control ecu (right side of dash) Red Rh-ig fuse 7.5a Rh-ig1 relay Right cowl side j/b (right end of dash) Right paddle shift switch Sftd Sftu Spd Spiral cable sub- assembly (under steering wheel) St1- Steering pad switch Stop lamp switch (left side of dash) Stop sw fuse 7.5a Stp Transmission control switch (below center console) Vcp2 Vcpa Vpa Vpa2 Cruise Control Wiring Diagram, without Dynamic Radar Controls (2 of 3) for Lexus IS 250C 2013 List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (2 of 3) for Lexus IS 250C 2013: 49 +bm 2.5l 3.5l A10 A33 Ae1 Combination meter assembly Computer data lines system Cruise ind D12 D13 E01 E02 E03 E1 (left rear of engine) E2 (right rear of engine) Engine control module (left front of engine compt) Engine room r/b 1 (right rear of engine compt) Engine room r/b 2 (left side of engine compt) Etcs fuse 10a Ge01 Hot at all times Ig+ Ig2 or dome +b Input circuit J/c a10 & e1 (left rear of engine compt) J/c a33 & j80 (right kick panel) J/c j27 (left side of dash) J1 (left kick panel) J2 (under center console) J34 J80 Ja3 Left cowl side j/b (left end of dash) Lh-ig fuse 10a Lh-ig1 relay Me01 Micro computer Mpx+ Mpx- Mpx-b fuse 10a Nca Pnk Right cowl side j/b (right end of dash) Speedometer Throttle w/ motor body assembly Vc2 (or vcta) Vta1 Vta2 Cruise Control Wiring Diagram, without Dynamic Radar Controls (3 of 3) for Lexus IS 250C 2013 List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (3 of 3) for Lexus IS 250C 2013: 49 (left front wheel hub assembly) left front speed sensor (left rear of engine) e1 (left side of engine compt) j/c e1 (on left rear wheel hub assembly) (on right rear wheel hub assembly) (right front wheel hub assembly) right front speed sensor Ap1 Aq1 Brake actuator assembly Ca1h Ca1l Canh Canl Computer data lines system Electronically controlled transmission solenoid (on transmission) Engine control module (left front of engine compt) Eoil Fl+ Fl- Fr+ Fr- J/c e49 (left side of engine compt) Left rear speed sensor Mpi1 Mpi2 Network gateway ecu (right side of dash) Oil Park/neutral position switch (on transmission) Pnk Red Right rear speed sensor Rl+ Rl- Rr+ Rr- Sl1+ Sl1+ red Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Sp1 Va1 Wa1 Xp1 Yq1
DEFOGGERS Front Deicer Wiring Diagram for Lexus IS 250C 2013 List of elements for Front Deicer Wiring Diagram for Lexus IS 250C 2013: 20 D13 Deicer fuse 25a Deicer relay Engine room r/b 2 (left side of engine compt) Engine room r/b 3 (left rear of engine compt) Front wiper deicer (windshield glass) (left rear of engine compt) Front wiper deicer switch Hot at all times Hot in on or start Ill+ Ill- Interior lights system J/c a15 (left rear corner of engine compt) J/c j70 (right side of dash) J1 (left kick panel) Ja3 Left cowl side j/b (left end of dash) Red Rh-ig fuse 7.5a Right cowl side j/b (right end of dash) Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 250C 2013 List of elements for Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 250C 2013: 46 A/c amplifier (center of dash) A/c fuse 7.5a A27 D12 D13 D29 Defog fuse 30a Defog relay Ecu- ig lh fuse 10a Gnd Hot at all times Ig+ Ig1d J/c j70 (right side of dash) J1 (left kick panel) J10 J28 Jq1 Left cowl side j/b (left end of dash) Left outer rear view mirror assembly Lh- ig 1 relay Lh- ig 2 relay Lh-ig fuse 10a Lp2 Luggage room r/b (left side of trunk) Mhtr Mir htr fuse 15a Mir htr relay Mirror heater Mq2 Noise filter P1 (right side of crossmember) Pnk Power source control ecu (right side of dash) Q1 (left "b" pillar) Q2 (left side of trunk) Qp2 Qg1 Qk2 Qk3 Rdfg Rear window defogger (back door glass) Rear window defogger switch Red Right cowl side j/b (right end of dash) Right outer rear view mirror assembly
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Lexus IS 250C 2013 List of elements for Electronic Power Steering Wiring Diagram for Lexus IS 250C 2013: 65 A10 A24 A25 A31 A5 (right rear of engine compt) Bat Brake actuator assembly C1 (front of engine) Ca1h Ca1l Canh Canl Combination meter assembly Computer data lines system Computer micro Crank position sensor (left front of engine) D12 D14 E1 (left rear of engine) Ecu-ig lh fuse 10a Ecu-ig rh fuse 10a Engine control module (left front of engine compt) Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Eps fuse 80a Ess Gauge fuse 7.5a Hot at all times Hot in on or start Incs Input circuit Insn J/c e1 (left side of engine compt) J/c j27 (left side of dash) J2 (under center console) J34 J4 (right kick panel) Left cowl side j/b (left end of dash) Mpi1 Mpi2 Mpx-b fuse 10a Nca Ne+ Ne- Network gateway ecu (right side of dash) Oucs Ousn Pgnd Pig Pnk Power steering ecu (right rear of engine compt) Power steering ind Power steering motor (lower front of engine compt) Power steering torque sensor (left front of engine compt) Red Right cowl side j/b (right end of dash) Rzcs Rzg Rzsn Rzv Srzg Steering sensor (on steering column) Tqg1 Tqg2 Trqv Power Tilt Steering Column Wiring Diagram for Lexus IS 250C 2013 List of elements for Power Tilt Steering Column Wiring Diagram for Lexus IS 250C 2013: 44 A15 A18 A24 Computer data lines system D12 D14 Down Ecu-ig rh fuse 10a Ecub Engine room r/b 1 (right rear of engine compt) Gnd Headlamp dimmer switch assembly Hot at all times Hot in on or start J/c j27 (left side of dash) J2 (under center console) J26 J4 (right kick panel) Left cowl side j/b (left end of dash) Long Mpx-b fuse 10a Mpx1 Mpx2 Msw Multiplex tilt & telescopic ecu (on steering column) Pnk Red Right cowl side j/b (right end of dash) Short Switch Telescopic motor Telescopic sensor Tem+ Tem- Tes Ti & te fuse 20a Tilt & telescopic Tilt motor (at steering column) Tim+ Tim- Tis Vce Vci Windshield wiper switch assembly
ENGINE PERFORMANCE
2.5L 2.5L, Engine Performance Wiring Diagram (1 of 8) for Lexus IS 250C 2013 List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 8) for Lexus IS 250C 2013: 73 (left center of front bumper fascia) ambient temperature sensor (left side of engine compt) engine room j/b 2 +b1 A29 Accelerator position sensor (left side of dash) Accr Acmg Air conditioning system Ba2 Batt C/opn relay Canh Canl Cchg Ccs Clsw Computer data lines system Cooling fans system Cruise control system Ctsw Efi 2 relay Efi fuse 25a Efi main relay Efii Efio Engine control module (left front of engine compt) Epa Epa2 F/pmp fuse 25a Fan Fan2 Fpr Hot at all times Ht1b Ht2b Id code box (center of dash) Igsw Imi Imo Irel J/c a29 & j10 (left kick panel) J10 Ja3 Ksw Mpmp Mrel Nca O1b- O2b- Ox1b Ox2b Oxygen sensor (bank 1 sensor 2) (right side exhaust system) Oxygen sensor (bank 2 sensor 2) (left side exhaust system) Pnk Power source control ecu (right side of dash) Ppmp Red Sftd Sftu Sksw Spd St1- Sta Starting/charging system Stp Stsw Tach Tam Vcp2 Vcpa Vpa Vpa2 Vpmp 2.5L, Engine Performance Wiring Diagram (2 of 8) for Lexus IS 250C 2013 List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 8) for Lexus IS 250C 2013: 34 (forward of left rear wheel) fuel pump & gauge assembly (left kick panel) j/c a29 & j10 (left side of engine compt) engine room r/b 2 (left side of engine compt) j/c a7 & a8 (right side of engine compt) fuel pump resistor A2 (left rear of engine compt) A29 Ae1 Aq1 Canister pressure sensor Canister pump module (center rear of vehicle) Efi 2 fuse 10a Etcs fuse 10a F/pmp relay Hot at all times Hot w/ ig 2 relay energized Ig2 fuse 10a Instrument cluster system J/c a9 (left side of engine compt) J10 Jq1 Leak detection pump Nca Pnk Pump Q1 (left "b" pillar) Stop lamp switch (left side of dash) Vent valve Vvl+ Vvl- Vvr+ Vvr- Vvt sensor (bank 1 intake side) (right front of engine) Vvt sensor (bank 2 intake side) (front of left cylinder head) 2.5L, Engine Performance Wiring Diagram (3 of 8) for Lexus IS 250C 2013 List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 8) for Lexus IS 250C 2013: 51 (below center console) transmission control switch +bm A10 A24 A25 Ae1 Air conditioning system Camshaft timing oil control valve (bank 1 exhaust) (right cylinder head) Camshaft timing oil control valve (bank 1 intake) (right cylinder head) Crank position sensor (left front of engine) D13 E03 E2 (right rear of engine) Engine control module (left front of engine compt) Gauge fuse 7.5a Ge01 Hot at all times Hot w/ ig 2 relay energized Hot w/ rh-ig1 relay energized Ign fuse 10a Igt2 Igt5 Igt6 J/c a33 (right kick panel) J/c j70 (right side of dash) J2 (under center console) Ja3 Lck1 Me01 Nca Ne+ Ne- Oc1+ Oc1- Oe1+ Oe1- Pnk Prg Red Rh-ig fuse 7.5a Right cowl side j/b (right end of dash) Sftd Sftu Stj1 Stop sw fuse 7.5a Vta1 Vta2 Vv1+ Vv1- Vv2+ Vv2- 2.5L, Engine Performance Wiring Diagram (4 of 8) for Lexus IS 250C 2013 List of elements for 2.5L, Engine Performance Wiring Diagram (4 of 8) for Lexus IS 250C 2013: 49 (left side of dash) j/c j27 A10 A29 Ae1 Combination meter Computer data lines system Cruise control system Dome fuse 10a E1 (left rear of engine) Ect power ind Efi Engine oil level sensor (bottom of engine) Engine room r/b 1 (right rear of engine compt) Etcs snow ind Hot at all times Ig+ Ig2 or dome +b Input circuit Interior lights system J/c a10 & e1 (left side of engine compt) J/c j10 & a29 (left kick panel) J/c j70 (right side of dash) J1 (left kick panel) J10 J21 J34 J35 J75 Lamp ind malfunction Left cowl side j/b (left end of dash) Main body ecu (right & left ends of dash) Master ind Micro computer Micro computer (sub) Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Multi information display Nca Pattern select switch assembly 1 Pnk Pwr Red Right cowl side j/b (right end of dash) Snow Speedometer Tachometer 2.5L, Engine Performance Wiring Diagram (5 of 8) for Lexus IS 250C 2013 List of elements for 2.5L, Engine Performance Wiring Diagram (5 of 8) for Lexus IS 250C 2013: 31 (rear of engine) efi engine coolant temperature sensor A/f fuse 15a A/f relay Ae1 E2 (right rear of engine) Engine room j/b 2 (left side of engine compt) Engine room r/b 2 (left side of engine compt) Gnd Hot at all times Igf1 Igf2 Ignition coil 1 (top of engine) Ignition coil 2 (top of engine) Ignition coil 3 (top of engine) Ignition coil 4 (top of engine) Ignition coil 5 (top of engine) Ignition coil 6 (top of engine) Igt1 Igt2 Igt3 Igt4 Igt5 Igt6 Inj fuse 20a Inj relay Nca Pnk Red Throttle w/ motor body assembly Ze1 Ze2 2.5L, Engine Performance Wiring Diagram (6 of 8) for Lexus IS 250C 2013 List of elements for 2.5L, Engine Performance Wiring Diagram (6 of 8) for Lexus IS 250C 2013: 41 (front of engine compt) injector driver (front of engine) h1 (front of engine) i1 (fuel injectors 1, 3 & 5: right side of engine) (fuel injectors 2, 4 & 6: left side of engine) fuel injectors (direct injection) +b2 A1a+ A1a- A2a+ A2a- Air fuel ratio sensor (bank 1 sensor 1) (right rear of engine) Air fuel ratio sensor (bank 2 sensor 1) (left rear of engine) E26 E58 Eg1 Fp+ Fp- Fpd Fpf1 Fuel pressure sensor (rear of engine) Ha1a Ha2a Ij1+ Ij1- Ij2+ Ij2- Ij3+ Ij3- Ij4+ Ij4- Ij5+ Ij5- Ij6+ Ij6- Injf Knock control sensor (bank 1) (top right side of engine) Knock control sensor (bank 2) (top left side of engine) Nca Pnk Red Spill control valve Swirl control valve actuator (rear of engine) 2.5L, Engine Performance Wiring Diagram (7 of 8) for Lexus IS 250C 2013 List of elements for 2.5L, Engine Performance Wiring Diagram (7 of 8) for Lexus IS 250C 2013: 35 (left rear of engine) cold start fuel injector (on transmission) park/neutral position switch A1a+ A1a- A2a+ A2a- Ae1 E1 (left rear of engine) E2 (right rear of engine) E2x Engine control module (left front of engine compt) Eo4 Eo5 Ev2+ Ev2- Ex+ Ex- Fpd Fpf1 Ha1a Ha2a Hot w/ lh-ig1 relay energized Ia1+ Ia1- Iac1 Injf Left cowl side j/b (left end of dash) Lh-ig fuse 10a Pnk Red Swirl control valve sensor (rear of engine) Vc2 Vcx Vsx Vvt sensor (bank 2 exhaust side) (left rear of engine) 2.5L, Engine Performance Wiring Diagram (8 of 8) for Lexus IS 250C 2013 List of elements for 2.5L, Engine Performance Wiring Diagram (8 of 8) for Lexus IS 250C 2013: 57 (left cylinder head) camshaft timing oil control valve (bank 2 exhaust) (left cylinder head) camshaft timing oil control valve (bank 2 intake) (left side of engine compt) j/c e49 (left side of engine) vsv (acis) (rear of engine) vsv (purge) (right rear of engine) vvt sensor (bank 1 exhaust side) (right side of engine compt) intake mass air flow meter Acis Alt E01 E02 E2g Ekn2 Eknk Electronically controlled transmission solenoid (on transmission) Engine control module (left front of engine compt) Engine oil pressure switch (front of engine) Eoil Ev1+ Ev1- Ex+ Ex- Igf1 Igf2 Igt1 Igt3 Igt4 Knk1 Knk2 Mol Mops Nt+ Nt- Oc2+ Oc2- Oe2+ Oe2- Oil Pnk Red Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Sp2+ Sp2- Star Starting/ charging system Tha Thw Transmission revolution sensor (counter gear) (rear of transmission) Transmission revolution sensor (turbine) (front of transmission) Vc2
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Lexus IS 250C 2013 List of elements for Backup Lamps Wiring Diagram for Lexus IS 250C 2013: 28 (left side of trunk) q2 2.5l 3.5l A24 Ae1 Aq1 Backup lamp D18 E49 Engine control module (left front of engine compt) Engine room r/b 1 (right rear of engine compt) Gnd Hot at all times Hot in on or start J/c e2 & e49 (left side of engine compt) J/c j27 (left side of dash) J1 (left kick panel) Left cowl side j/b (left end of dash) Left main body ecu Left rear light assembly Lh-ig fuse 10a Mpx-b fuse 10a Mpxb Park/ neutral position switch assembly (on transmission) Qh1 Right cowl side j/b (right end of dash) Right rear light assembly Sgnd Exterior Lamps Wiring Diagram (1 of 4) for Lexus IS 250C 2013 List of elements for Exterior Lamps Wiring Diagram (1 of 4) for Lexus IS 250C 2013: 48 (under center console) j2 A2 (left rear of engine compt) Auto B1 (right front of engine compt) B2 (left front of engine compt) Ba2 Clock assembly (w/ navigation) integration control & panel assembly (w/o navigation) Computer data lines system D12 D14 Ecu-ig rh fuse 10a Engine room j/b 2 (left side of engine compt) Engine room r/b 1 (right rear of engine compt) Except hid Fr tail fuse 10a Fr tail relay Front controller G10 G11 Hazard switch Head Headlamp dimmer switch assembly Hid Hot at all times Hot in on or start J/c j27 (left side of dash) J26 Left cowl side j/b (left end of dash) Left headlight assembly Light control switch Marker Mpx-b fuse 10a Mpx1 Mpx2 Off Parking Parking/ daytime running light Parking/daytime running light Red Right cowl side j/b (right end of dash) Right headlight assembly Tail Turn Turn switch Turn- haz fuse 15a W/ navigation W/o navigation Windshield wiper switch assembly Exterior Lamps Wiring Diagram (2 of 4) for Lexus IS 250C 2013 List of elements for Exterior Lamps Wiring Diagram (2 of 4) for Lexus IS 250C 2013: 46 A12 A13 A14 A15 A16 A17 A18 A20 A26 A30 Computer data lines system D18 Fls Fr wip fuse 30a Gnd Hot in on or start J1 (left kick panel) J17 J2 (under center console) J21 Ja3 Ja4 Jq1 Left cowl side j/b (left end of dash) Left main body ecu Left outer rear view mirror assembly Lh-ig fuse 10a Lp1 Mpx1 Mpx2 Mpxb Mq1 P1 (right side of crossmember) Pnk Q1 (left "b" pillar) Q35 Red Right outer rear view mirror assembly Sgnd Sliding roof control ecu (center of trunk) Trnl Trnr Turn Turn signal flasher (left side of dash) Turn signal relay (center of dash) Wig Exterior Lamps Wiring Diagram (3 of 4) for Lexus IS 250C 2013 List of elements for Exterior Lamps Wiring Diagram (3 of 4) for Lexus IS 250C 2013: 56 (canada) (left side of trunk) q2 A10 A13 A24 A25 Acc Acc fuse 7.5a Altb Automatic light control sensor Backup lamp circuit Becu Center stop lamp Cltb Clte Clts Combination meter assembly Computer data lines system Dcty Ecu-ig rh fuse 10a Fr door rh fuse 20a batb Gauge fuse 7.5a Gnd2 Haz Hot at all times Hot in on or acc Hot in on or start Ig2 or dome+b Input circuit Interior light system J14 J21 J34 J35 J4 (right kick panel) J74 J75 Jk1 Lamp backup Left rear light assembly Left turn ind Micro computer Mpx1 Mpx2 Oh1 Pcty Q2 (left side of trunk) Qh1 Red Right cowl side j/b (right end of dash) Right license plate light assembly Right main body ecu Right turn ind Tail ind Ti & te fuse 20a Trly Exterior Lamps Wiring Diagram (4 of 4) for Lexus IS 250C 2013 List of elements for Exterior Lamps Wiring Diagram (4 of 4) for Lexus IS 250C 2013: 51 (left front of engine compt) engine control module (right kick panel) j/c a33 & j80 A29 A33 Aq1 Backup lamp circuit Brake actuator assembly Brk-lp relay D12 Engine room j/b 1 (right rear of engine compt) Engine room r/b 2 (left side of engine compt) Gnd Hot at all times Hot in on or start Ind stop/tail J/c a29 & j10 (left kick panel) J/c a7 & a8 (left side of engine compt) J/c j27 (left side of dash) J1 (left kick panel) J10 J24 J80 Ja3 Lamp backup Lamp turn Left cowl side j/b (left end of dash) Left license plate light assembly Left rear combination Lh j/b- am fuse 80a Lh-ig fuse 10a Light assembly Out Pnk Power source control ecu (right side of dash) Q2 (left side of trunk) Red Right cowl side j/b (right end of dash) Right rear combination light assembly Right rear light assembly Shift lock control ecu (under center console) Stop ind Stop lamp control relay (left side of dash) Stop lamp switch (left side of dash) Stop sw fuse 7.5a Stop/ marker ind Stp Stp1 Stp2 Stpo Tail fuse 10a Tail relay
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 6) for Lexus IS 250C 2013 List of elements for Ground Distribution Wiring Diagram (1 of 6) for Lexus IS 250C 2013: 39 (3.5l) smog ventilation sensor A/f relay A1 (left rear of engine compt) A2 (left rear of engine compt) A3 (left rear of engine compt) Ae1 B1 (right front of engine compt) B2 (left front of engine compt) Brake actuator assembly Brake fluid level warning switch Brake pedal load sensing switch Cooling fan motor Efi 2 relay Efi main relay Engine control module Engine hood courtesy switch Engine room j/b 2 (left side of engine compt) Engine room r/b 2 (left side of engine compt) Fan 2 relay Front controller Front wiper deicer (windshield glass) Headlamp cleaner control relay Headlight leveling ecu assembly Ig2 relay Junction connector a15 Junction connector a20 (left end of dash) Junction connector a9 (left side of engine compt) Left front fog light assembly Left headlamp assembly Level warning switch assembly Right front fog light assembly Right headlamp assembly St cut relay To ground a5 (diagram 3 of 6) W/ hid W/ magnet clutch compressor assembly Windshield washer motor & pump assembly Windshield wiper motor assembly Wireless door lock buzzer Ground Distribution Wiring Diagram (2 of 6) for Lexus IS 250C 2013 List of elements for Ground Distribution Wiring Diagram (2 of 6) for Lexus IS 250C 2013: 60 (w/ dynamic radar cruise control) distance control ecu (w/ dynamic radar cruise control) millimeter wave radar sensor (w/ navigation) multi-display assembly (w/ navigation) multi-media module receiver assembly (w/o navigation) radio receiver assembly 2.5l A10 Ae1 Air fuel ratio sensor (bank 1 sensor 1) shield Air fuel ratio sensor (bank 2 sensor 1) shield Aq1 Ba2 C1 (front of engine) Canister pump module Crankshaft position sensor shield Direct fuel injector assembly 1 shield Direct fuel injector assembly 2 shield Direct fuel injector assembly 3 shield Direct fuel injector assembly 4 shield Direct fuel injector assembly 5 shield Direct fuel injector assembly 6 shield Dlc 3 E1 (left rear of engine) E2 (right rear of engine) Engine control module Engine oil level sensor H1 (front of engine) I1 (front of engine) Ignition coil 1 assembly Ignition coil 2 assembly Ignition coil 3 assembly Ignition coil 4 assembly Ignition coil 5 assembly Ignition coil 6 assembly Inj relay shield J113 J114 J24 J3 (under center console) J95 Ja3 Junction connector a10 & e1 (left side of engine compt) Junction connector j70 (right side of dash) Knock control sensor (bank 1) & (bank 2) shields Nca Oxygen sensor (bank 1 sensor 2) shield Oxygen sensor (bank 2 sensor 2) shield P27 P3 (right side of trunk) P64 Power steering motor shield Spill control valve shield Spiral cable Stereo component amplifier assembly Transmission control switch W/ magnet clutch compressor assembly W/ navigation W/o navigation Ze1 Ze2 Ground Distribution Wiring Diagram (3 of 6) for Lexus IS 250C 2013 List of elements for Ground Distribution Wiring Diagram (3 of 6) for Lexus IS 250C 2013: 38 A10 A31 A5 (right rear of engine compt) Acc relay Center air bag sensor assembly Cigarette lighter assembly Combination meter assembly Cooling unit motor sub-assembly w/ fan D11 D17 Engine room r/b 1 (right rear of engine compt) Engine switch From ground a3 (diagram 1 of 6) Id code box J34 J4 (right kick panel) J47 Jr2 Junction connector j71 (right side of dash) Junction connector j80 (right side of dash) K10 Left vanity light assembly Luggage door opening cancel switch assembly Luggage door opening switch assembly Map light assembly Nca Noise filter (ghost buster) Power source control ecu Power steering ecu assembly Power tilt motor (steering column assembly) Pwr point relay Rh-ig1 relay Right cowl side j/b (right end of dash) Right main body ecu Right vanity light assembly Starter relay Steering lock actuator assembly To ground j2 (diagram 4 of 6) Ground Distribution Wiring Diagram (4 of 6) for Lexus IS 250C 2013 List of elements for Ground Distribution Wiring Diagram (4 of 6) for Lexus IS 250C 2013: 46 A/c amplifier assembly Auxiliary catch assembly) Center air bag sensor assembly Clock assembly Combination meter assembly Console box illumination light assembly D12 Dcm (telematics transceiver) Dlc 3 From right cowl side j/b (diagram 3 of 6) Front wiper deicer switch Glove box light assembly Integration control & panel assembly J1 (left kick panel) J101 J2 (under center console) J26 J34 J47 J58 Jr1 Junction connector j27 (left side of dash) Junction connector j70 (right side of dash) Left cowl side j/b (left end of dash) Left main body ecu Left roof close switch (left removable roof Lh-ig1 relay Lh-ig2 relay Multiplex tilt & telescopic ecu Network gateway ecu Pattern select switch assembly 1 Right roof close switch (right removable roof auxiliary catch assembly) Satellite switch set Seat heater switch Shift lock control ecu sub- assembly Sliding roof switch assembly Steering lock actuator assembly Steering sensor Stop light control relay Tire pressure warning ecu & receiver Turn signal flasher assembly Vsc off switch W/ navigation W/o navigation Windshield wiper switch assembly Yaw rate sensor Ground Distribution Wiring Diagram (5 of 6) for Lexus IS 250C 2013 List of elements for Ground Distribution Wiring Diagram (5 of 6) for Lexus IS 250C 2013: 56 (left side of trunk) luggage room r/b (w/ memory) left outer mirror control ecu assembly (w/ parking assist) clearance warning ecu assembly Back window lock assembly Center stop light assembly Defog relay Fuel lid w/ motor lock assembly Fuel pump J/c u11 (under driver's seat) Junction connector q7 & u1 (under driver's seat) Junction connector u11 (under driver's seat) Left front door electrical key oscillator Left front lumbar power seat switch Left front master door lock assembly Left front position control ecu & switch assembly Left front power seat slide switch assembly Left front power seat switch Left front seat inner belt assembly Left license plate light assembly Left luggage compartment door hinge assembly Left outer rear view mirror assembly Left quarter power window regulator motor assembly Left rear combination light assembly Left rear light assembly Left roof panel strength sub assembly 2 Left seat back climate control blower Left seat cushion climate control blower Left seat heater control sub- assembly Left slide roof motor assembly Luggage compartment door lock assembly Luggage electrical key switch M1 (driver's door) M10 Mq1 Noise filter Outer mirror switch assembly Package tray trim hinge 1 Package tray trim hinge 2 Power window regulator master switch assembly Q1 (left "b" pillar) Q2 (left side of trunk) Q33 Q34 Q35 Q36 Q43 Qf1 Qg1 Qh1 Rear window defogger (back door glass) Right rear combination light assembly Right rear light assembly Sliding roof control ecu assembly W/ climate control seat W/ memory W/o memory Ground Distribution Wiring Diagram (6 of 6) for Lexus IS 250C 2013 List of elements for Ground Distribution Wiring Diagram (6 of 6) for Lexus IS 250C 2013: 43 (if equipped) occupant detection ecu (w/ memory) right outer mirror control ecu assembly Certification ecu assembly Door control receiver Junction connector t11 (front passenger's seat) Junction connector t14 (under front passenger's seat) L1 (center of trunk) L10 Lp1 P1 (right side of crossmember) P2 (right rear of vehicle) P48 P54 P55 P59 Package tray trim bracket Power outlet socket assembly Pt1 Pt2 Pe1 Right front door electrical key oscillator Right front door lock assembly Right front lumbar power seat switch Right front position control ecu & switch assembly Right front power seat slide switch assembly Right front power seat switch Right front power window regulator switch assembly Right front seat inner belt assembly Right luggage compartment door hinge assembly Right outer rear view mirror assembly Right quarter power window regulator motor assembly Right roof panel strength sub-assembly Right seat back climate control blower Right seat cushion climate control blower Right seat heater control sub- assembly Right side roof motor assembly Right slide roof motor assembly Roof front lock switch (removable roof lock sub- assembly) Seat belt control ecu Sliding roof control ecu assembly W/ climate control seat W/ memory W/o memory
HEADLIGHTS Headlamps Wiring Diagram (1 of 2) for Lexus IS 250C 2013 List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus IS 250C 2013: 78 (right kick panel) j4 +ig A10 A24 A25 Acc Acc fuse 7.5a Air conditioning system Altb Auto Automatic light control sensor Batb Beam ind Becu Bfg Cltb Clte Clts Combination meter assembly Computer data lines system D12 Dcty Dimmer switch Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Flash Fog switch Fr door rh fuse 20a From ecu-ig rh fuse (diagram 1 of 2) Front fog ind Gauge fuse 7.5a Gnd1 Head Head ind (usa) Headlamp dimmer switch assembly High Hot at all times Hot in on or acc Hot in on or start Hrly Ig2 or dome +b Input circuit Interior lights system J/c j27 (left side of dash) J2 (under center console) J21 J26 J34 J4 (right kick panel) J74 J75 Jk1 L10 Left cowl side j/b (diagram 2 0f 2) Left cowl side j/b (left end of dash) Lfg Light control switch Low Micro computer Mpx+ Mpx- Mpx- b fuse 10a Mpx1 Mpx2 Off Parking brake switch (base of parking brake foot lever assembly) Pcty Pkb Pnk Red Right cowl side j/b (right end of dash) Right main body ecu Tail Ti & te fuse 20a To right main body ecu (diagram 1 of 2) Tsl Tsr Windshield wiper switch assembly Headlamps Wiring Diagram (2 of 2) for Lexus IS 250C 2013 List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus IS 250C 2013: 41 (except hid) (hid) (left side of engine compt) engine room j/b 2 20a A2 (left rear of engine compt) B1 (right front of engine compt) B2 (left front of engine compt) Ba2 D18 Ecu-ig lh fuse 10a Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Engine room r/b 2 (left side of engine compt) Except hid Fr fog fuse 15a Fr fog relay From j/c j27 (diagram 1 of 2) Front controller G12 G13 H-lp l lwr fuse 15a H-lp r lwr fuse 15a H-lp upr fuse 15a Head hi relay (if equipped) Head lp relay Hid High Hot at all times Hot in on or start J/c a33 (right kick panel) Left cowl side j/b (left end of dash) Left fog light assembly Left headlight assembly Light control ecu Low Low (hid) Main fuse 30a Parking/ daytime running light Right fog light assembly Right headlight assembly Solenoid (hid) Headlamps Leveling Wiring Diagram (1 of 2) for Lexus IS 250C 2013 List of elements for Headlamps Leveling Wiring Diagram (1 of 2) for Lexus IS 250C 2013: 54 A2 (left rear of engine compt) A30 A33 Alt Aq1 Ba3 Chg- Computer data lines system Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Front height control sensor sub assembly (left front of engine compt) H-lp lvl fuse 7.5a Head lp relay Headlamp leveling ecu (left kick panel) Headlamp leveling motor Headlamps circuit Hot at all times Hot in on or start J/c a20 (left end of dash) J/c a33 & j80 (right kick panel) J/c a9 (left side of engine compt) J80 Ja3 K10 Left cowl side j/b (left end of dash) Left headlight assembly Ll1+ Ll1- Ll2+ Ll2- Lr1+ Lr1- Lr2+ Lr2- Main body ecu Main fuse 30a Mpx1 Mpx2 Pnk Rear height control sensor sub assembly (under rear of vehicle) Red Right headlight assembly Sbf Sbr Sgf Sgr Shb Shfl Shg Shrl Spdl Spdr Wng Yq1 Headlamps Leveling Wiring Diagram (2 of 2) for Lexus IS 250C 2013 List of elements for Headlamps Leveling Wiring Diagram (2 of 2) for Lexus IS 250C 2013: 56 (left side of dash) j/c j27 A24 Anti-lock brakes system Auto Brake actuator assembly C14 Combination meter assembly Computer data lines system D12 Dimmer switch Engine room r/b 1 (right rear of engine compt) Fl+ Fl- Flash Flo Fr+ Fr- Fro Gauge fuse 7.5a Head Headlamp dimmer switch assembly High Hot at all times Hot in on or start Ig+ Input circuit J/c j27 (left side of dash) J1 (left kick panel) J21 J26 J34 J74 J75 Left cowl side j/b (left end of dash) Light control switch Low Main body ecu Micro computer Micro computer (sub) Mpx+ Mpx- Mpx- b fuse 10a Mpx1 Mpx2 Multi-information display Off Red Rh ecu-ig fuse 7.5a Right cowl side j/b (righ end of dash) Right cowl side j/b (right end of dash) Rl+ Rl- Rr+ Rr- Tail Windshield wiper switch assembly
HORN Horn Wiring Diagram for Lexus IS 250C 2013 List of elements for Horn Wiring Diagram for Lexus IS 250C 2013: 21 (left side of engine compt) A2 (left rear of engine compt) Computer data lines system Engine room j/b 2 Front controller Horn Horn (high) (front of radiator) Horn (low) (front of radiator) Horn fuse 10a Horn relay Horn switch Hot at all times J24 J26 Left cowl side j/b (left end of dash) Mpx1 Mpx2 Power source control ecu (right side of dash) Spiral cable (under steering wheel) Steering pad switch assembly Windshield wiper switch assembly
INSTRUMENT CLUSTER Clock Wiring Diagram for Lexus IS 250C 2013 List of elements for Clock Wiring Diagram for Lexus IS 250C 2013: 41 A24 Acan Acc Acc fuse 7.5a Acc relay Accd Clock Clock assembly Combination meter D12 D14 D27 Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Exterior lights system Hot at all times Ig+ Ig1d Ill Ill+ Ill- Integrated control & panel assembly Interior lights system J/c j27 (left side of dash) J1 (left kick panel) J35 J4 (right kick panel) J75 Left cowl side j/b (left end of dash) Mpx-b fuse 10a P-ab Paon Pbew Pblt Pnk Power source control ecu (right side of dash) Rh-ig1 relay Right cowl side j/b (right end of dash) Right main body ecu W/ navigation system W/o navigation system Instrument Cluster Wiring Diagram (2 of 2) for Lexus IS 250C 2013 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Lexus IS 250C 2013: 83 (left rear of engine compt) a2 2.5l 3.5l A10 A29 A30 A33 Acc Acc fuse 7.5a Ae1 Ap1 Canh Canl Computer data lines system Data link connector 3 (left side of dash) Dcm (telematics transceiver) (right side of dash) Dcty Disp E1 (left rear of engine) Ecu-ig rh fuse 10a Engine control module (left front of engine compt) Engine oil level sensor (bottom of engine) Engine oil pressure switch (front of engine) Engine room j/b 2 (left side of engine compt) Front controller Fuel sender (sub) (in fuel tank) Fuel sender gauge assembly Gnd Gnd1 Hot in on or acc Hot in on or start J/c a10 & e1 (left side of engine compt) J/c a9 (left side of engine compt) J/c j10 & a29 (left kick panel) J/c j71 (right side of dash) J/c j80 & a33 (right kick panel) a33 J10 J101 J114 J21 J24 J3 (under center console) J75 J80 J95 J96 Jp2 Jq1 Left cowl side j/b (left end of dash) Left front door courtesy switch Left main body ecu Level warning switch assembly Lgcy Lh ecu-ig fuse 10a Luggage compartment door lock assembly Mol Mops Mpx1 Mpx2 Multi-media module receiver assembly P30 P64 Pcty Pnk Power source control ecu (right side of dash) Q2 (left side of trunk) Qp2 Radio receiver assembly Red Right cowl side j/b (right end of dash) Right front door courtesy switch Right main body ecu Right steering pad switch Spd Spdp Spiral cable sub- assembly (under steering wheel) Steering pad switch assembly Stereo component amplifier (right side of trunk) Swg Tac Tach W/ navigation W/o navigation
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Lexus IS 250C 2013 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Lexus IS 250C 2013: 58 (if equipped) A19 Acc Acc fuse 7.5a Acty Altb Batb Bdcy Body ecu D17 Dcty Dcyl Diode (luggage room light) (left side of trunk) Ecu-ig rh fuse 10a Foot lamp Fr door rh fuse 20a Gnd1 Gnd2 Hot at all times Hot in on or acc Hot in on or start Ile1 J/c j71 (right side of dash) J/c l11 (front passenger's door) J/c m14 (driver's door) J2 (under center console) J4 (right kick panel) J75 Jp2 Jq1 Jr2 L10 Left cowl side j/b (left end of dash) Left door scuff plate assembly Left front door courtesy light assembly Left front door courtesy light switch assembly Left outer rear view mirror assembly foot lamp Lgcy Lp1 Luggage compartment door lock assembly Mq1 Parking brake switch (base of parking brake foot lever assembly) Pcty Pcyl Pkb Q2 (left side of trunk) Qp2 Red Right cowl side j/b (right end of dash) Right door scuff plate assembly (if equipped) Right front door courtesy light assembly Right front door courtesy light switch assembly Right main body ecu Right outer rear view mirror assembly Right rear room light assembly Sftp Ti & te fuse 20a W/ outer scuff light Courtesy Lamps Wiring Diagram (2 of 2) for Lexus IS 250C 2013 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Lexus IS 250C 2013: 48 A10 A25 A29 Ap1 Aq1 Combination meter assembly Computer data lines system Cspt D11 Dome fuse 10a Door Door ind Engine room r/b 1 (right rear of engine compt) Fspt Gauge fuse 7.5a Hot at all times Hot in on or start Ig2 or dome+b Input circuit J/c a29 & j10 (left kick panel) J/c j71 (right side of dash) J/c j80 (right side of dash) J10 J4 (right kick panel) J75 Jq1 Jr2 Left dome light Left front map light switch Left interior illumination light assembly 1 Left vanity light assembly Map light Map light assembly Micro computer Micro computer (sub) Mq1 Multi information display Nca On/off Pnk Red Right cowl side j/b (right end of dash) Right dome light Right front map light switch Right interior illumination light assembly 1 Right main body ecu Right vanity light assembly Shift illumination Instrument Illumination Wiring Diagram (1 of 2) for Lexus IS 250C 2013 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Lexus IS 250C 2013: 68 (left side of dash) j/c j27 A24 Acc Acc fuse 7.5a Altb Auto Becu Cigarette lighter assembly Clock assembly Computer data lines system Console box ill- umination light assembly D12 D17 D20 D27 Ecu-ig rh fuse 10a Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Front center register interior illumination light assembly 2 Glove box light assembly Gnd Gnd1 Gnd2 Head Headlight dimmer switch assembly Hot at all times Hot in on or acc Hot in on or start Ill+ Ill- Integration control & panel assembly J/c j27 (left side of dash) J113 J2 (under center console) J26 J3 (under center console) J4 (right kick panel) J95 J96 Jq1 Left cowl side j/b (left end of dash) Lh j/b-am fuse 80a Light control switch Luggage door opening switch assembly M18 M19 Mpx-b fuse 10a Mpx1 Mpx2 Mq2 Off Outer mirror switch assembly Panel fuse 7.5a Radio receiver assembly (w/o navigation) multi-display assembly (w/ navigation) Right cowl side j/b (right end of dash) Right interior illumination light assembly Right main body ecu Satellite set switch Swg Tail Tail relay Ti & te fuse 20a Trly W/ memory W/ navigation W/o memory W/o navigation Windshield wiper switch assembly Instrument Illumination Wiring Diagram (2 of 2) for Lexus IS 250C 2013 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Lexus IS 250C 2013: 56 A10 A25 Am1 Am2 Am2 fuse 7.5a Combination meter assembly Computer data lines system D11 Dcm (telematics transceiver) (right side of dash) Engine switch Front wiper deicer switch Gauge fuse 7.5a Gnd1 Headlamp cleaner switch assembly Hot at all times Hot in on or start Ig+ Ill+ Ill- Input circuit J/c j70 (right side of dash) J/c j71 (right side of dash) J/c j80 (right side of dash) J101 J114 J24 J3 (under center console) J34 J35 J4 (right kick panel) Left interior illumination light assembly 2 Left steering pad switch Light control rheostat Micro computer Mpx+ Mpx- Mpx1 Mpx2 Multi-media module receiver assembly (w/ navigation) Pattern select switch assembly Pnk Power source control ecu (right side of dash) Right cowl side j/b (right end of dash) Right steering pad switch Seat heater switch Shift position indicator Sliding roof switch assembly (left side of dash) Spiral cable (under steering wheel) Steering pad switch assembly Sw+b Sw5v Swg Swil Vsc off switch (center of dash) W/ navigation W/o navigation
MEMORY SYSTEMS Driver"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 250C 2013 List of elements for Driver"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 250C 2013: 57 A24 Back Computer data lines system D14 D18 Down Drdc Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Fr p/ seat lh fuse 30a Frv+ Frv- Fwd Gnd Hlg Hls Hlv Hot at all times Hot w/ rh-ig1 relay energized J/c j27 (left side of dash) J/c q7 & u1 (under driver's seat) J/c u11 (under driver's seat) J18 J22 Jq1 Left cowl side j/b (left end of dash) Left front lumbar power seat switch Left front lumbar support motor (in driver's seat) Left front position control ecu & switch assembly (under driver's seat) Left front power seat lifter position motor & sensor (left front seat adjuster assembly) Left front power seat reclining position motor assembly (in driver's seat) Left front power seat slide position motor & sensor (left front seat adjuster assembly) (in driver's seat) Left front power seat slide switch assembly Left front power seat vertical position motor & seat (left front seat adjuster assembly) Left reclining position sensor (driver's seat) Lft+ Lft- Mpx-b fuse 10a Mpx1 Ods Pvcc Q1 (left "b" pillar) Rcl+ Rcl- Red Right cowl side j/b (right end of dash) Seng Sgnd Sld+ Sld- Sldf Sldr Ssfv Ssrl Ssrr Ssrs Sysb Driver"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 250C 2013 List of elements for Driver"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 250C 2013: 46 A20 Altb Bdr Buckle switch Certification ecu (right side of trunk) Computer data lines system D17 Data Dcty Door control receiver (center of trunk) Fr door lh fuse 20a Gnd Gnd1 Hot at all times J/c q7 & u1 (under driver's seat) J/c u11 (under driver's seat) J21 J4 (right kick panel) J75 Jp2 Jq1 L10 Left cowl side j/b (left end of dash) Left front door courtesy light switch assembly Left front seat inner belt assembly Left front seat memory switch Left outer mirror control ecu assembly (left front door) M10 Main body ecu Mpx1 Mpx2 Mq1 Mswe Occupant detection sensor P2 (right rear of vehicle) Parking brake switch assembly (base of parking brake foot lever assembly) Pkb Pnk Q1 (left "b" pillar) Rco Rda Red Right cowl side j/b (right end of dash) Rssi Set Ti & te fuse 20a Memory Mirrors Wiring Diagram (1 of 2) for Lexus IS 250C 2013 List of elements for Memory Mirrors Wiring Diagram (1 of 2) for Lexus IS 250C 2013: 98 A20 A24 Adjust switch Bdr Becu Computer data lines system Cpub D14 D17 D18 Dcty De2 Defogger system Dm+r Dmhr Dmvr Down Dvc Ec+ Ec- Ecl+ Ecl- Engine room r/b 1 (right rear of engine compt) Exterior lights system Fold Fold away switch (w/ retractor) Foot light Fr door lh fuse 20a Gnd Gnd1 Heater mirror Hot at all times Hot w/ rh-ig1 relay energized Hsrl Hssr Ill+ Ill- Interior lights system J/c j27 (left side of dash) J/c m14 (driver's door) J18 J21 J29 J4 (right kick panel) J74 J75 Jp2 Jq1 L10 Left Left cowl side j/b (left end of dash) Left front door courtesy light switch assembly Left front seat memory switch Left outer mirror control ecu (left front door) Left outer rear view mirror assembly Left/ up Left/right M10 Main body ecu Mirb Mire Mirrors system Mirs Mlp+ Mlp- Mpx-b fuse 10a Mpx1 Mpx2 Mq1 Mq2 Mr+ Mr- Msw Mswe Outer mirror switch assembly Parking brake switch (base of parking brake foot lever assembly) Pkb Pnk Q1 (left "b" pillar) Red Ret Retractor Rh ecu-ig fuse 10a Right Right cowl side j/b (right end of dash) Right/ dn Sel1 Sele Select switch Sensor position mirror Set Sig Trnl Turn Unfold Up/down Vsrl Vssr Memory Mirrors Wiring Diagram (2 of 2) for Lexus IS 250C 2013 List of elements for Memory Mirrors Wiring Diagram (2 of 2) for Lexus IS 250C 2013: 56 Bdr Certification ecu (right side of trunk) Computer data lines system Cpub Data Defogger system Door control receiver (center of trunk) Ec+ Ec- Ecl+ Ecl- Exterior lights system Fr door rh fuse 20a Gnd Hot at all times Hot w/ rh-ig1 relay energized Hssr Interior lights system J/c l11 (front passenger's door) J15 L10 Left/right Light foot Lp1 Lp2 Mirror heater Mirrors system Mlp+ Mlp- Mpx1 Mpx2 Mr+ Mr- P1 (right side of crossmember) P2 (right rear of vehicle) Pe2 Pm+r Pmhr Pmvr Pnk Pvc Rco Rda Red Retractor Rh ecu-ig fuse 10a Right cowl side j/b (right end of dash) Right outer mirror control ecu (right front door) Right outer rear view mirror assembly Rssi Sensor position mirror Sig Trnr Turn Up/down Vssr Memory Power Tilt & Power Telescopic Wiring Diagram (1 of 2) for Lexus IS 250C 2013 List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram (1 of 2) for Lexus IS 250C 2013: 69 (left front door) left outer mirror control ecu assembly A15 A18 A20 A24 Altb Bdr Certification ecu assembly (right side of trunk) Computer data lines system Cpub D12 D14 D17 Data Dcty Door control receiver (center of trunk) Ecu-ig rh fuse 10a Ecub Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Gnd Gnd1 Hot at all times Ig1d J2 (under center console) J21 J4 (right kick panel) J75 Jp2 Jq1 L10 Left front door courtesy light switch assembly Left front seat memory switch M10 Main body ecu Mpx-b fuse 10a Mpx1 Mpx2 Mswe Multiplex tilt & telescopic ecu (on steering column) P2 (right rear of vehicle) Parking brake switch assembly (base of parking brake foot lever assembly) Pkb Pnk Power source control ecu (right side of dash) Power tilt motor (steering column assembly) (at steering column) Q1 (left "b" pillar) Rco Rda Red Rh j/b-am fuse 80a Rh-ig1 relay Right cowl side j/b (right end of dash) Rssi Sel1 Sele Set Sig Telescopic motor Telescopic sensor Tem+ Tem- Tes Ti & te fuse 20a Tim+ Tim- Tis Vce Vci Memory Power Tilt & Power Telescopic Wiring Diagram (2 of 2) for Lexus IS 250C 2013 List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram (2 of 2) for Lexus IS 250C 2013: 44 (left end of dash) left cowl side j/b (left side of dash) j/c j27 Ae1 Brake actuator assembly Ca1h Ca1l Canh Canl Computer data lines system D12 D13 D18 Down Engine control module (left front of engine compt) Engine room j/b 1 (right rear of engine compt) Fr door lh fuse 20a Headlight dimmer switch assembly Hot at all times J/c j27 (left side of dash) J/c m14 (driver's door) J1 (left kick panel) J2 (under center console) J26 J29 Jq1 Left cowl side j/b (left end of dash) Lh j/b-am fuse 80a Lh-ig fuse 10a Lh-ig1 relay Long Mpd1 Mpd2 Mpx1 Mpx2 Mq1 Mq2 Msw Network gateway ecu (right side of dash) Park/ neutral position switch assembly (a/t) (on transmission) Pnk Red Short Tilt & telescopic switch Windshield wiper switch assembly Passenger"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 250C 2013 List of elements for Passenger"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 250C 2013: 52 Back Computer data lines system Down Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Fr p/ seat rh fuse 30a Frv+ Frv- Fwd Gnd Hlg Hls Hlv Hot at all times Hot w/ rh-ig1 relay energized J/c t11 (front passenger's seat) J15 J20 J29 Lft+ Lft- Mpx-b fuse 10a Mpx1 Ods P1 (right side of crossmember) Prdc Pt1 Pvcc Rcl+ Rcl- Red Right cowl side j/b (right end of dash) Right front lumbar power seat switch Right front lumbar support motor (front passenger's seat) Right front position control ecu & switch (under front passenger's seat) Right front power seat lifter position motor & sensor (right front seat adjuster assembly) Right front power seat reclining position motor assembly (front passenger's seat) Right front power seat slide position motor & sensor (right front seat adjuster assembly) (front passenger's seat) Right front power seat slide switch assembly Right front power seat vertical position motor & sensor (right front seat adjuster assembly) (under driver's seat) Right reclining position sensor (passenger's seat) Seng Sgnd Sld+ Sld- Sldf Sldr Ssfv Ssrl Ssrr Ssrs Sysb Passenger"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 250C 2013 List of elements for Passenger"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 250C 2013: 35 Altb Bdr Buckle switch Computer data lines system D17 Fr door rh fuse 20a Gnd Gnd1 Hot at all times J/c t14 (under front passenger's seat) J21 J4 (right kick panel) J75 Jp2 L10 Lp1 Main body ecu Mpx1 Mpx2 Mswe Occupant detection sensor P1 (right side of crossmember) Parking brake switch assembly (base of parking brake foot lever assembly) Pcty Pkb Pnk Pt1 Red Right cowl side j/b (right end of dash) Right front door courtesy light switch assembly Right front seat inner belt (under front passenger's seat) Right front seat memory switch Right outer mirror control ecu assembly (right front door) Set Ti & te fuse 20a
NAVIGATION Navigation Wiring Diagram (1 of 4) for Lexus IS 250C 2013 List of elements for Navigation Wiring Diagram (1 of 4) for Lexus IS 250C 2013: 83 (if equipped) sdars assembly (or red) +b1 Acc fuse 7.5a Acc1 Antenna Back Ca+ Canh Canl Cgnd Combination meter Computer data lines system D14 D22 D27 D28 Disp Gnd1 Gps antenna Gvif Hot at all times Hot w/ acc relay energized Hot w/ rh-ig1 relay energized Ill+ Ill- Input circuit Instrument cluster system Interior lights system J/c j27 (left side of dash) J114 J121 J24 J3 (under center console) Jq1 L10 Left cowl side j/b (left end of dash) Left main body ecu Left steering pad switch Macc Micro computer Min+ Min- Mode Mpx+ Mpx- Mssl Multi-media module receiver assembly Nca Off hook On hook Parking brake switch (base of parking brake foot lever assembly) Pkb Pnk Rad 3 fuse 10a Red Rev Rh ecu-ig fuse 10a Right cowl side j/b (right end of dash) Right main body ecu Right steering pad switch Seek+ Seek- Sgnd Shield Sns2 Spd Spiral cable (under steering wheel) Steering pad switch Sw1 Sw2 Swg Tv 1 fuse 10a Tx1+ Tx1- Tx3+ Tx3- Vmtf Voice Vol+ Vol- W/ lexus enform W/o lexus enform Navigation Wiring Diagram (2 of 4) for Lexus IS 250C 2013 List of elements for Navigation Wiring Diagram (2 of 4) for Lexus IS 250C 2013: 55 (right side of dash) (w/ lexus enform) dcm (telematics transceiver) +b2 Acc Cb+ Cgnd Computer data lines system Cv+ Cv- Door locks & anti-theft systems Gnd1 Gvif Ill+ Ill- J101 J113 J118 J122 J3 (under center console) Jp2 Jq3 Lights system interior Lines system computer data Lp2 Mci+ Mci- Mco+ Mco- Mcvd Multi-display assembly Mute Pnk Qh1 Rear television camera assembly Red Right front speaker assembly 2 & 3 (front speaker assembly 3) Security indicator lamp Seuc Sgnd Shield Spi+ Spi- Spo+ Spo- Tx+ Tx- Usb Usbg Usbv Vmti Vor+ Vor- Vot+ Vot- W/ lexus enform W/o lexus enform Navigation Wiring Diagram (3 of 4) for Lexus IS 250C 2013 List of elements for Navigation Wiring Diagram (3 of 4) for Lexus IS 250C 2013: 50 Adpg Agnd Amplifier microphone assembly J115 J116 J117 J120 Jp2 Jp3 Jq3 Jr1 Left front speaker assembly 2 & 3 (front speaker assembly) Macc Map light assembly Mco+ Mco- Mi+ Mi- Mo+ Mo- Mq2 Multi-media module receiver assembly Nca Pnk Qp1 Qm1 Red Shield Sldi Sldo Sns2 Stereo jack adapter assembly 1 Ugd1 Us1+ Us1- Usb Usbg Usbv Usv1 Va- Val+ Var+ Vor+ Vor- Vot+ Vot- W/ lexus enform W/o lexus enform Wuo Mj1 Navigation Wiring Diagram (4 of 4) for Lexus IS 250C 2013 List of elements for Navigation Wiring Diagram (4 of 4) for Lexus IS 250C 2013: 59 (12 speaker) front speaker assembly (or pnk) +b2 +tw -tw 12 speaker 8 speaker Ap1 Ctr+ Ctr- Engine room r/b 1 (right rear of engine compt) Fl+ Fl- Fr+ Fr- Gnd Gnd2 Hot at all times Instrument cluster system Jk1 Jp2 Left front speaker assembly 1 Left rear speaker assembly Left rear speaker assembly 2 Lp2 Mi+ Mi- Mo+ Mo- Mq2 P3 (right side of trunk) P64 P65 Pnk Qp1 Rad 1 fuse 30a Rad 2 fuse 30a Red Right front speaker assembly 1 Right rear speaker assembly Right rear speaker assembly 2 Rl+ Rl- Rr+ Rr- Shield Sldi Sldo Spd Stereo component amplifier (right side of trunk) Stereo component speaker assembly Tmut Wf1+ Wf1- Wfl+ Wfl- Wfr+ Wfr- Wui Rear Sonar Wiring Diagram for Lexus IS 250C 2013 List of elements for Rear Sonar Wiring Diagram for Lexus IS 250C 2013: 96 (2.5l) (3.5l) (left end of dash) left cowl side j/b (left front of engine compt) engine control module (under center console) j2 A10 A29 A30 Ad1 Ae1 Aq1 Brake actuator assembly Ca1h Ca1l Canh Canl Cbz Clearance sonar ind Clearance warning buzzer (center of dash) Clearance warning ecu (left side of trunk) Combination meter assembly Computer data lines system Computer micro D12 D12 pnk D13 D17 Dome fuse 10a E49 Ecu- ig rh fuse 10a Engine controls system Engine room r/b 1 (right rear of engine compt) Gnd Gnd1 Gtx+ Gtx- Hot at all times Ig1d Ig2 or dome +b Input circuit Interior lights system J/c a29 & j10 (left kick panel) J/c e2 & e49 (left side of engine compt) J/c j27 (left side of dash) J/c j70 (right side of dash) J1 (left kick panel) J10 J12 J34 J35 J4 (right kick panel) J75 Ja3 Jq1 L10 Left cowl side j/b (left end of dash) Left front ultrasonic sensor 1 (left front of vehicle) Left main body ecu Left rear ultrasonic sensor 1 (rear bumper) Left ultrasonic sensor 2 (rear bumper) Lh-ig 1 relay Lh-ig fuse 10a Micro computer (sub) Mpd1 Mpd2 Mpi1 Mpi2 Mpx+ Mpx- Mpx1 Mpx2 Msw Multi information display Navigation circuit Ne+ Ne- Network gateway ecu (right side of dash) Neutral position switch assembly (on transmission) Park/ Parking brake switch (base of parking brake foot lever assembly) Pkb Pnk Power source control ecu (right side of dash) Q1 (left "b" pillar) Red Rh- ig 1 relay Rh-ig fuse 7.5a Right cowl side j/b (right end of dash) Right front ultrasonic sensor 1 (right front of vehicle) Right main body ecu Right rear ultrasonic sensor 1 (rear bumper) Right ultrasonic sensor 2 (rear bumper) Satellite switch set Sp1 Sq1 Vsw Rear View Monitoring Wiring Diagram for Lexus IS 250C 2013 List of elements for Rear View Monitoring Wiring Diagram for Lexus IS 250C 2013: 87 2.5l 3.5l A10 A30 A33 Ae1 Altb Ap1 Back Brake actuator assembly Ca+ Ca1h Ca1l Canh Canl Cb+ Cgnd Circuit input Combination meter assembly Computer data lines system Computer micro Cv+ Cv- D12 D13 D17 Display multi information E49 Engine control module (left front of engine compt) Engine controls system Gnd Gnd1 Gtx+ Gtx- Hot at all times Ig1d J/c a33 & j80 (right kick panel) J/c e2 & e49 (left side of engine compt) J/c j27 (left side of dash) J/c j71 (right side of dash) J1 (left kick panel) J114 J2 (under center console) J21 J34 J4 (right kick panel) J75 J80 Ja3 Jq1 Jq3 L10 Left cowl side j/b (left end of dash) Left main body ecu Lh-ig 1 relay Lh-ig fuse 10a Micro computer (sub) Mpd1 Mpd2 Mpi1 Mpi2 Mpx+ Mpx- Mpx1 Mpx2 Multi-media module receiver assembly Navigation circuit Nca Ne+ Ne- Network gateway ecu (right side of dash) P64 Park/ neutral position switch assembly (on transmission) Parking brake switch (base of parking brake foot lever assembly) Pkb Pnk Power source control ecu (right side of dash) Qh1 Rear television camera assembly Red Rev Right cowl side j/b (right end of dash) Right main body ecu Sp1 Spd Stereo component amplifier (right side of trunk) Ti & te fuse 10a Telematics Wiring Diagram for Lexus IS 250C 2013 List of elements for Telematics Wiring Diagram for Lexus IS 250C 2013: 84 (left end of dash) left cowl side j/b (under center console) center air bag sensor assembly (w/ lexus enform) A10 Acc Acc fuse 7.5a Amplifier microphone assembly Computer data lines system D12 D27 Dcm (telematics transceiver) (right side of dash) Engine room r/b 2 (left side of engine compt) Fr+ Fr- Gps antenna Gsw Gsw3 Hot at all times Hot w/ acc relay energized Hot w/ ig2 relay energized Ig2 Ign fuse 10a Ill+ Ind1 Ind2 Instrument cluster system Interior lights system J/c j27 (left side of dash) J1 (left kick panel) J101 J114 J117 J118 J47 J97 Ja4 Jp2 Jr1 Lp2 Map light assembly Mci+ Mci- Mco+ Mco- Mcvd Mic+ Mic- Min+ Min- Multi-media module receiver assembly Mute Nca P28 P64 Pnk Radio receiver assembly Red Right cowl side j/b (right end of dash) Right front speaker assembly 2 & 3 (front speaker assembly 3) Sgnd Sig- Sig1 Sil Sled Sns2 Sos switch Spdp Spi+ Spi- Spo+ Spo- Stereo component amplifier (right side of trunk) p30 Tel fuse 10a Telephone antenna Tmut Usb Usbg Usbv Vor+ Vor- Vot+ Vot- W/ navigation W/o navigation
PASSIVE RESTRAINTS Passive Restraints Wiring Diagram for Lexus IS 250C 2013 List of elements for Passive Restraints Wiring Diagram for Lexus IS 250C 2013: 23 (left "b" pillar) q1 Buckle switch Diode (left tension reducer) (under driver's seat) Diode (right tension reducer) (front passenger's seat) Hot in on or start J/c q7 & u1 (under driver's q7 seat) J/c q7 & u1 (under driver's seat) J/c t14 (under front passenger's seat) J/c u11 (under driver's seat) J11 J13 Left cowl side j/b (left end of dash) Left front seat inner belt assembly Left front tension reducer (left front seat outer belt assembly) Lh-ig fuse 10a Memory systems Pt1 Rh-ig fuse 7.5a Right cowl side j/b (right end of dash) Right front seat inner belt assembly (under front passenger's seat) Right front tension reducer (right front seat outer belt assembly) W/ memory W/o memory
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 5) for Lexus IS 250C 2013 List of elements for Power Distribution Wiring Diagram (1 of 5) for Lexus IS 250C 2013: 56 (except hid type) (hid type) A/c comp fuse 7.5a A/f fuse 15a Abs 1 fuse 50a Abs 2 fuse 30a Air conditioning system Alt fuse 150a Alt-s fuse 7.5a Anti-lock brakes system Battery Cooling fans system Cruise control, engine controls & transmissions systems Defogger system Deicer fuse 25a E/g-am fuse 60a E/g-b fuse 60a Electronic power steering system Engine controls system Engine room j/b 1 (right rear of engine compt) Engine room j/b 2 (left side of engine compt) Engine room r/b 1 (right rear of engine compt) Engine room r/b 2 (left side of engine compt) Eps fuse 80a Etcs fuse 10a Exterior lights system Fan 1 fuse 40a Fr ctrl-am fuse 30a Fr ctrl-b fuse 25a Fr fog fuse 15a Fr fog relay Fr tail fuse 10a Fr tail relay Front controller H-lp cln fuse 30a H-lp upr fuse 15a 20a Head hi relay (if equipped) Horn fuse 10a Horn relay Navigation system Pnk Rad 1 fuse 30a Rad 2 fuse 30a Red Shift interlock system Sound & navigation systems Starter fuse 30a Starting/ charging system Str lock fuse 25a Tel fuse 10a To dc cut fuse (diagram 2 of 5) To fan 2 fuse (diagram 2 of 5) To main fuse (diagram 2 of 5) Turn-haz fuse 15a Wash relay Washer fuse 20a Wiper/ washer system Power Distribution Wiring Diagram (2 of 5) for Lexus IS 250C 2013 List of elements for Power Distribution Wiring Diagram (2 of 5) for Lexus IS 250C 2013: 47 Air conditioning system Aq2 Cds fuse 10a Cooling fans system D/c cut fuse 20a Defog fuse 30a Defogger system Dome fuse 10a Engine controls, interior lights, instrument cluster & mirrors systems Engine controls, starting/charging, anti-lock brakes, cruise control, instrument cluster, wiper/washer, headlights, exterior lights, warning, interior lights, electronic power steering, power tops, memory, computer data lines, trunk, tailgate, fuel doors, transmissions & body computer systems Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Fan 2 fuse 40a From abs 1 fuse (diagram 1 of 5) From fan 1 fuse (diagram 1 of 5) From rad 2 fuse (diagram 1 of 5) Glw plg 1 fuse 50a Glw plg 2 fuse 50a Head lp relay Heater fuse 50a J4 (right kick panel) K10 Lh j/b-am fuse 80a Lh lgg fuse 30a Lh lgg lck fuse 30a Lh roof fuse 30a Luggage room j/b (left side of trunk) Luggage room r/b (left side of trunk) Main fuse 30a Mpx-b fuse 10a Noise filter (right front of engine) P-tray main fuse 30a P-tray side fuse 7.5a Pnk Power tops system Psb fuse 30a Qk1 Red Rh j/b-am fuse 80a Rh lgg fuse 30a Rh lgg lck fuse 30a Rh roof fuse 30a Right cowl side j/b (right end of dash) Rr r/b-am fuse 80a To ig 2 main fuse (diagram 3 of 5) To left cowl side j/b (diagram 4 of 5) To right cowl side j/b (diagram 4 of 5) Power Distribution Wiring Diagram (3 of 5) for Lexus IS 250C 2013 List of elements for Power Distribution Wiring Diagram (3 of 5) for Lexus IS 250C 2013: 55 (left side of engine compt) engine room r/b 2 (right end of dash) right cowl side j/b (right rear of engine compt) engine room r/b 1 A2 (left rear of engine compt) A23 A25 A27 A29 Accd Am1 Am2 Am2 fuse 7.5a Batb Cruise control, engine controls, transmissions & exterior lights systems D11 Door locks & shift interlock systems Efi 2 relay Efi fuse 25a Efi main relay Engine controls system Engine controls, cruise control & transmissions systems Engine room j/b 1 (right rear of engine compt) Engine room j/b 2 (left side of engine compt) Engine switch F/pmp fuse 25a Fr door rh fuse 20a From d/c cut fuse (diagram 2 of 5) Gauge fuse 7.5a Ig 2 fuse 10a Ig 2 main fuse 20a Ig 2 relay Ig1d Ig2d Ign fuse 10a Inj fuse 20a Inj relay J10 J26 J4 (right kick panel) Junction connector a29 & j10 (left kick panel) Junction connector j71 (right side of dash) Junction connector j80 (right side of dash) Lh j/b-b fuse 30a P/i-b fuse 60a Pnk Power source control ecu Power windows, power tops & memory systems Red Rh j/b-b fuse 30a Right main body ecu Sound systems Ssw1 Ssw2 To left cowl side j/b (diagram 5 of 5) To right cowl side j/b (diagram 5 of 5) Power Distribution Wiring Diagram (4 of 5) for Lexus IS 250C 2013 List of elements for Power Distribution Wiring Diagram (4 of 5) for Lexus IS 250C 2013: 75 (left end of dash) left cowl side j/b A/c fuse 7.5a A11 A14 A15 A27 A28 Air conditioning system Altb Anti-lock brakes, cruise control, wiper/washer, exterior lights, air conditioning, starting/charging & cooling fans systems Anti-lock brakes, sound, navigation, exterior lights, cruise control, transmissions, memory, engine controls, door locks & interior lights systems Computer data lines system D13 D20 D22 D28 D29 Defogger system Ecu- ig lh fuse 10a Electronic power steering & memory systems Electronic power steering system Exterior lights system Exterior lights, anti-lock brakes, cruise control, transmissions, engine controls, shift interlock & door locks systems Fr p/ seat lh fuse 30a Fr p/ seat rh fuse 30a Fr s/ htr lh fuse 15a Fr wip fuse 30a From engine room j/b 1 (diagram 2 of 5) Fuel opn fuse 10a H-lp lvl fuse 7.5a Headlights system Instrument cluster system Instrument cluster, air conditioning & defogger systems Interior lights system J1 (left kick panel) J10 J11 J12 J22 J24 J28 J29 J30 K10 Left main body ecu Lh-ig 1 relay Lh-ig 2 relay Lh-ig fuse 10a Memory, seats & electronic power steering systems Mir htr fuse 15a Navigation & sound systems Navigation system Obd fuse 7.5a Panel fuse 7.5a Passive restraints system Pnk Rad 3 fuse 10a Red Right cowl side j/b (right end of dash) Right main body ecu Seats & memory systems Seats system Seats, air conditioning, cruise control, anti-lock brakes, mirrors, defogger, shift interlock, wiper/washer & warning systems Sound & navigation systems Stop sw fuse 7.5a Tail fuse 10a Tail relay Ti & te fuse 20a To pwr point relay (diagram 5 of 5) To right cowl side j/b (diagram 5 of 5) Trly Trunk, tailgate, fuel doors system Tv 1 fuse 10a Wig Wiper/ washer system Power Distribution Wiring Diagram (5 of 5) for Lexus IS 250C 2013 List of elements for Power Distribution Wiring Diagram (5 of 5) for Lexus IS 250C 2013: 46 (left end of dash) Acc fuse 7.5a Acc relay Anti-theft system Cig fuse 15a Cigarette lighter assembly D12 D13 D14 D26 D27 Door locks systems Door locks, memory, power windows & anti-theft systems Ecu- ig rh fuse 10a Fr door lh fuse 20a Fr s/ htr rh fuse 15a From left cowl side j/b (diagram 4 of 5) From lh From obd k fuse (diagram 4 of 5) From power source control ecu (diagram 3 of 5) Interior lights system J/b-b fuse (diagram 3 of 5) J13 J15 J16 J23 J24 J4 (right kick panel) Left cowl side j/b Memory & electronic power steering systems Navigation & sound systems Navigation, sound, mirrors, instrument cluster, computer data lines & interior lights systems P1 (right side of crossmember) Passive restraint system Pnk Power outlet socket assembly Pwr outlet fuse 15a Pwr point relay Rh-ig 1 relay Rh-ig fuse 7.5a Right cowl side j/b (right end of dash) Right main body ecu Right main body ecu acc Seats system Seats, defogger, cruise control, engine controls, navigation & transmissions systems Security fuse 7.5a
POWER DOOR LOCKS Power Door Locks Wiring Diagram (1 of 5) for Lexus IS 250C 2013 List of elements for Power Door Locks Wiring Diagram (1 of 5) for Lexus IS 250C 2013: 72 2.5l hid w/ headlight cleaner A24 A36 Acc Acc fuse 7.5a Act+ Act- Actd Altb Batb Becu Bzr Computer data lines system D10 Dcty Diode (luggage compartment lamp) (left side of trunk) Ecu-ig rh fuse 10a Except 2.5l hid w/ headlight cleaner Fr door rh fuse 20a Gnd Gnd1 Gnd2 Haz Headlights system Hot at all times Hot in on or acc Hot in on or start Hrly Ind Integration control & panel assembly J/c a15 (left rear corner of engine compt) J/c j27 (left side of dash) J17 J18 J2 (under center console) J21 J24 J3 (under center console) J74 J75 Jp2 Jq1 Key lock Key unlock Kul L1 (center of trunk) Left front door courtesy light switch assembly Left front door lock assembly (driver's door) Lgcy Lp1 Lsw Lswp Mpx1 Mpx2 Mq1 Multi- display assembly Pcty Power window regulator master switch assembly Q1 (left "b" pillar) Right cowl side j/b (right end of dash) Right front door courtesy light switch assembly Right front door lock assembly (front passenger's door) Right main body ecu Secu Security horn assembly (right rear of engine compt) Security indicator light Ti & te fuse 20a Tr+ Unlock detection W/ navigation W/o navigation Wireless door lock buzzer (inside left front wheelwell) Power Door Locks Wiring Diagram (2 of 5) for Lexus IS 250C 2013 List of elements for Power Door Locks Wiring Diagram (2 of 5) for Lexus IS 250C 2013: 46 A12 A30 Acty Bdcy Computer data lines system D11 D12 D18 Door Fr door lh fuse 20a Gnd Haz Hot at all times Hot in on or start J/c j71 (right side of dash) J/c j80 (right side of dash) J/c m14 (driver's door) J1 (left kick panel) J2 (under center console) J29 Jq1 Jr2 Lct Left cowl side j/b (left end of dash) Left main body ecu Lh-ig fuse 10a Light left dome Light right dome Lpsw Luggage compartment door lock assembly Luggage electrical key switch (center rear of trunk) Map light assembly Mpx1 Mpx2 Mpxb Mq1 Mq2 Q2 (left side of trunk) Q35 Qh1 Red Right cowl side j/b (right end of dash) Sliding roof control ecu (center of trunk) Turn signal flasher (left side of dash) W/ memory W/o memory Power Door Locks Wiring Diagram (3 of 5) for Lexus IS 250C 2013 List of elements for Power Door Locks Wiring Diagram (3 of 5) for Lexus IS 250C 2013: 36 (right rear of vehicle) p2 A2 (left rear of engine compt) A29 Ap1 Aq1 B1 (right front of engine compt) Computer data lines system Data Dome fuse 10a Door control receiver (center of trunk) Engine hood courtesy switch (center front of engine compt) Engine room j/b 2 (left side of engine compt) Engine room r/b 1 (right rear of engine compt) Foot light Front controller Gnd Horn (high) (front of radiator) Horn (low) (front of radiator) Horn fuse 10a Horn relay Hot at all times J/c a29 & j10 (left kick panel) a29 J/c l11 (front passenger's door) J/c m14 (driver's door) J10 Left outer rear view mirror Lp1 Lp2 Mlp Mlp- Mpx-b fuse 10a Mq1 Qp2 Red Right outer rear view mirror Rssi Power Door Locks Wiring Diagram (4 of 5) for Lexus IS 250C 2013 List of elements for Power Door Locks Wiring Diagram (4 of 5) for Lexus IS 250C 2013: 71 (front passenger's door) j/c l11 (in left front door) left front door handle electrical key antenna (in right front door) right front door handle electrical key antenna (left rear of luggage compt) rear indoor electrical key oscillator (right side of crossmember) (right side of luggage compt) outside luggage electrical key antenna (right side of trunk) certification ecu (under center console) indoor console electrical key oscillator +b1 Acc Agnd Ant1 Ant2 Antenna coil Cg1b Cg2b Cg5b Cg6b Cg7b Cg8b Clg Clg1 Clg2 Clg5 Clg6 Clg7 Clg8 Clgb Code Com Computer data lines system Engine switch Gnd Indoor luggage compartment electrical key oscillator (center front of luggage compt) Inds Inow Jp2 Left front door electrical key oscillator (in left front door) Lin Lp2 Mpx1 Mpx2 Mq2 P1 (right side of crossmember) Pnk Q1 (left "b" pillar) Qp1 Qp2 Rc0 Rda Red Right front door electrical key oscillator (in right front door) Rssi Sel Sel1 Sel2 Sen1 Sen2 Sens Sgt Ss1 Ss2 Swil Trg+ Trg- Tsw1 Tsw2 Txct Vc5 W/ memory W/o memory Power Door Locks Wiring Diagram (5 of 5) for Lexus IS 250C 2013 List of elements for Power Door Locks Wiring Diagram (5 of 5) for Lexus IS 250C 2013: 79 A25 A27 A29 Accd Am1 Am2 Am2 fuse 7.5a Canh Canl Combination meter assembly Computer data lines system Ctsw D11 D12 Door ind Efii Efio Engine control module (left front of engine compt) Gauge fuse 7.5a Gnd Gnd2 Hot at all times Hot in on or start Id code box (center of dash) Ig+ Ig1d Ig2 or dome +b Ig2d Ign fuse 10a Imi Imo Inds Indw Input circuit J/c a29 & j10 (left kick panel) J/c a33 (right kick panel) J/c j10 (left kick panel) J/c j27 (left side of dash) J/c j71 (right side of dash) J/c j80 (right side of dash) J1 (left kick panel) J10 J2 (under center console) Ja3 Jp2 Left cowl side j/b (left end of dash) Lin Lin1 Master ind Micro computer Micro computer (sub) Mpx+ Mpx- Mpx1 Mpx2 Multi information display Pnk Power distribution system Power source control ecu (right side of dash) Red Right cowl side j/b (right end of dash) Security fuse 7.5a Shift interlock system Sksw Slp Slr+ Spd Ssw1 Ssw2 Starting/charging system Steering lock actuator (steering column) Stop lamp switch (left side of dash) Stop sw fuse 7.5a Stp Str1 Str2 Stsw Swil Tach
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Lexus IS 250C 2013 List of elements for Electrochromic Mirror Wiring Diagram for Lexus IS 250C 2013: 38 +b1 +b3 A29 D11 D29 Dome fuse 10a Ec+ Ec- Ecu-ig lh fuse 10a Engine room r/b 1 (right rear of engine compt) Garage door opener Gnd Gnd5 Hot at all times Hot in on or start Ig1 Inner rearview mirror assembly J/c a29 & j10 (left kick panel) J/c j70 (right side of dash) J/c j71 (right side of dash) J/c j80 (right side of dash) J10 J2 (under center console) Jp2 Jq1 Jr2 L10 Left cowl side j/b (left end of dash) Left outer mirror control ecu (left front door) Left outer rearview mirror assembly Lp1 M10 Map light assembly Mq1 Pnk Right cowl side j/b (right end of dash) Right outer mirror control ecu (right front door) Right outer rearview mirror assembly Power Mirrors Wiring Diagram for Lexus IS 250C 2013 List of elements for Power Mirrors Wiring Diagram for Lexus IS 250C 2013: 40 (left "b" pillar) q1 Acc fuse 7.5a Adjust switch D27 Defogger system Down Ec+ Ec- Electrochromic mirror circuit Exterior lights system Foot light Hot w/ acc relay energized Ill+ Ill- Interior lights system J/c j27 (left side of dash) J/c m14 (driver's door) Jp2 Jq1 Left Left outer rearview mirror assembly Left/ up Lp1 Mirror heater Mlh Mlp Mlp- Mlv Mq1 Mrh Mrv Outer mirror switch assembly Red Right Right cowl side j/b (right end of dash) Right outer rearview mirror assembly Right/ down Select switch Trnl Turn
POWER SEATS Climate Control Seats Wiring Diagram (1 of 2) for Lexus IS 250C 2013 List of elements for Climate Control Seats Wiring Diagram (1 of 2) for Lexus IS 250C 2013: 48 15a A/c fuse 7.5a A27 Bllh Blrh Ctb D13 D20 D29 Ecu-ig lh fuse 10a Engine room j/b 1 (right rear of engine compt) Exterior lights system Fr s/ htr lh fuse Gnd Hot at all times Ill+ Ill- Interior lights system J/c j27 (left side of dash) J/c j70 (right side of dash) J/c q7 & u1 (under driver's seat) J/c u11 (under driver's seat) J1 (left kick panel) J30 Jp2 Jq1 Left cowl side j/b (left end of dash) Left seat back climate control blower (driver's seat back) Left seat cushion climate control blower (driver's seat cushion) Left seat heater control sub-assembly Lh j/b-am fuse 80a Lh-ig2 relay Panel fuse 7.5a Pnk Pt1 Q1 (left "b" pillar) Red Seat back Seat cushion Seat heater control Seat heater switch Sign Svs5 Svsg Swl Tail relay Thermistor Thl Climate Control Seats Wiring Diagram (2 of 2) for Lexus IS 250C 2013 List of elements for Climate Control Seats Wiring Diagram (2 of 2) for Lexus IS 250C 2013: 38 A/c amplifier (center of dash) Ctb D12 D13 Fr s/ htr rh fuse 15a Gnd Hot w/ rh-ig1 relay energized Ig+ Ig1d J/c t11 (front passenger's seat) J/c t14 (under front passenger's seat) J58 J59 Jp2 Jq1 Lout P1 (right side of crossmember) Pnk Power source control ecu (right side of dash) Pt1 Red Rh-ig fuse 7.5a Right cowl side j/b (right end of dash) Right seat back climate control blower (front passenger's seat back) Right seat cushion climate control blower (front passenger's seat cushion) Right seat heater control sub-assembly Rout S5-4 Seat back Seat cushion Seat heater control Sg-4 Sign Sw4 Sw5 Swr Thermistor Thr Driver Power Seat Wiring Diagram for Lexus IS 250C 2013 List of elements for Driver Power Seat Wiring Diagram for Lexus IS 250C 2013: 21 Down Fr p/ seat lh fuse 30a Front Front vertical Hot at all times J/c q7 & u1 (under driver's seat) J22 Left cowl side j/b (left end of dash) Left front lumbar power seat switch Left front lumbar support motor (in driver's seat) Left front power seat lift position motor (in driver's seat) Left front power seat reclining position motor assembly (in driver's seat) Left front power seat slide position motor assembly (in driver's seat) Left front power seat switch Left front power seat vertical position motor assembly Lifter Q1 (left "b" pillar) Rear Reclining Red Slide Passenger Power Seat Wiring Diagram for Lexus IS 250C 2013 List of elements for Passenger Power Seat Wiring Diagram for Lexus IS 250C 2013: 23 (front passenger's seat) j/c t11 Down Fr p/ seat rh fuse 30a Front Front vertical Hot at all times J29 Lifter P1 (right side of crossmember) Pt1 Rear Reclining Red Right cowl side j/b (right end of dash) Right front lumbar power seat switch Right front lumbar support motor (front passenger's seat) Right front power seat lift position motor (under front passenger's seat) Right front power seat reclining position motor assembly (front passenger's seat) Right front power seat slide position motor assembly (front passenger's seat) Right front power seat slide switch assembly Right front power seat switch Right front power seat vertical position motor (under front passenger's seat) Slide
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram (1 of 3) for Lexus IS 250C 2013 List of elements for Power Top/Sunroof Wiring Diagram (1 of 3) for Lexus IS 250C 2013: 87 (left "c" pillar) left quarter power window regulator motor (right "b" pillar) right quarter power window regulator motor (right rear of vehicle) p2 (right side of roof) roof front lock motor (sliding roof drive gear sub-assembly) (right side of roof) roof front lock switch (removable roof lock sub-assembly) Auto Cls Down Hall ic Hlm+ Hlm- Hot at all times J/c j70 (right side of dash) J1 (left kick panel) Jp2 Jq1 Jr1 Lcr+ Lcr- Lcrf Lcrh Lcrp Lcrs Left cowl side j/b (left end of dash) Lh roof fuse 30a Lmr+ Lmr- Lor Lpr Lprb Lpre Luggage room r/b (left side of trunk) Mp1 Mp2 Mp3 Mpm+ Mpm- Opn P-tray main fuse 30a P1 (right side of crossmember) P2 (right rear of vehicle) P53 P54 P55 Package tray trim bracket Pnk Pe1 Q1 (left "b" pillar) Q2 (left side of trunk) Q33 Qp1 Qwl+ Qwl- Qwr Qwr+ Qwr- Qk2 R3h1 R3r R3r+ R3r- R3rb R3re Rcr Red Rh lgg fuse 30a Rh lgg lck fuse 30a Rh roof fuse 30a Rh2 Right roof close switch (right removable roof auxiliary catch assembly) Right roof panel strength sub-assembly Right slide roof motor (right front corner of trunk) Rlr Rml+ Rml- Rmr+ Rmr- Ror Rpr Rprb Rpre Sliding roof control ecu (center of trunk) Sliding roof switch assembly (left side of dash) Tr2 Tr2e Under side tonneau cover switch (right deck side trim box) Wadn Power Top/Sunroof Wiring Diagram (2 of 3) for Lexus IS 250C 2013 List of elements for Power Top/Sunroof Wiring Diagram (2 of 3) for Lexus IS 250C 2013: 51 (right end of dash) right cowl side j/b (under center console) j2 A10 A24 A25 Combination meter Computer data lines system D11 D14 Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Gauge fuse 7.5a Gnd2 Hall ic Hot at all times Hot w/ ig 2 relay energized Hot w/ rh-ig 1 relay energized Ig2 or dome +b Input circuit J/c j27 (left side of dash) J/c j71 (right side of dash) J/c j80 (right side of dash) J21 J4 (right kick panel) J75 Jq1 Left luggage compartment door hinge assembly Lgcy Luggage compartment door assembly Luggage door opening cancel switch assembly Main body ecu Master ind Micro computer Micro computer (sub) Mpx + Mpx - Mpx-b fuse 10a Mpx1 Mpx2 Multi information display P2 (right rear of vehicle) P58 P59 Pnk Q2 (left side of trunk) Q42 Q43 Red Right cowl side j/b (right end of dash) Right luggage compartment door hinge assembly Tsw Power Top/Sunroof Wiring Diagram (3 of 3) for Lexus IS 250C 2013 List of elements for Power Top/Sunroof Wiring Diagram (3 of 3) for Lexus IS 250C 2013: 81 (left end of dash) left cowl side j/b (left front corner of trunk) left slide roof motor (left side of roof) roof rear lock motor (sliding roof drive gear sub-assembly) (left side of trunk) q2 3lm+ 3lm- Back window lock assembly Computer data lines system D18 Ecub Exterior lights system Fls Hall ic Hot at all times J27 Jq1 Jr1 Lcl+ Lcl- Lclf Lclh Lclp Lcls Lct Left roof close switch (left removable roof auxiliary catch assembly) Left roof panel strength sub-assembly 2 Lh lgg fuse 30a Lh lgg lck fuse 30a Lh1 Lml+ Lml- Lol Lpl Lplb Lple Luggage room r/b (left side of trunk) Mpx1 P-tray side fuse 7.5a Package tray trim hinge 1 Package tray trim hinge 2 Pnk Q1 (left "b" pillar) Q2 (left side of trunk) Q34 Q35 Q36 Qwl Qf1 Qh1 Qk2 R3cl R3l R3l+ R3l- R3lb R3le R3ll R3ol Rcl Red Rh1 Rpl Rplb Rple Sgnd Sliding roof control ecu (center of trunk) Sml+ Sml- Smr+ Smr- Spl1 Spl2 Spr1 Spr2 Tl 1 Tl 1e Under side tonneau cover switch (left deck side trim box) Under side tonneau cover switch (left side package tray trim cover) Upper side tonneau cover switch (right side package tray trim cover) Wdn Wup
POWER WINDOWS Power Windows Wiring Diagram for Lexus IS 250C 2013 List of elements for Power Windows Wiring Diagram for Lexus IS 250C 2013: 63 (driver's door) m1 (inside left front wheelwell) wireless door lock buzzer A30 A36 Bzr Certification ecu (right side of trunk) Computer data lines system D14 D15 Data Dcty Door control receiver (center of trunk) Ecu- ig rh fuse 10a Fr door lh fuse 20a Fr door rh fuse 20a Gnd Hot at all times Hot w/ rh-ig 1 relay energized Igb J/c a15 (left rear corner of engine compt) J/c j27 (left side of dash) J/c m14 (driver's door) J21 J75 Jq1 Key lock Key unlock Kul Left cowl side j/b (left end of dash) Left front door courtesy light switch assembly Left front door lock assembly (driver's door) Left front power window regulator motor (driver's door) Lp1 Lssr Lsw M1 (driver's door) Main body ecu Mpx1 Mpx2 Mq1 Mq2 P1 (right side of crossmember) P2 (right rear of vehicle) Pct Pls Pls1 Pls2 Pnk Power window regulator master switch assembly Pws Rc0 Rda Red Right cowl side j/b (right end of dash) Right front power window regulator motor Right front power window regulator switch assembly Rssi Sgnd Ssrb Unlock detection Vcc W/ memory seat W/o memory seat
RADIO Radio Wiring Diagram, with Navigation (1 of 4) for Lexus IS 250C 2013 List of elements for Radio Wiring Diagram, with Navigation (1 of 4) for Lexus IS 250C 2013: 83 (if equipped) sdars assembly (or red) +b1 Acc fuse 7.5a Acc1 Antenna Back Ca+ Canh Canl Cgnd Combination meter Computer data lines system D14 D22 D27 D28 Disp Gnd1 Gps antenna Gvif Hot at all times Hot w/ acc relay energized Hot w/ rh-ig1 relay energized Ill+ Ill- Input circuit Instrument cluster system Interior lights system J/c j27 (left side of dash) J114 J121 J24 J3 (under center console) Jq1 L10 Left cowl side j/b (left end of dash) Left main body ecu Left steering pad switch Macc Micro computer Min+ Min- Mode Mpx+ Mpx- Mssl Multi-media module receiver assembly Nca Off hook On hook Parking brake switch (base of parking brake foot lever assembly) Pkb Pnk Rad 3 fuse 10a Red Rev Rh ecu-ig fuse 10a Right cowl side j/b (right end of dash) Right main body ecu Right steering pad switch Seek+ Seek- Sgnd Shield Sns2 Spd Spiral cable (under steering wheel) Steering pad switch Sw1 Sw2 Swg Tv 1 fuse 10a Tx1+ Tx1- Tx3+ Tx3- Vmtf Voice Vol+ Vol- W/ lexus enform W/o lexus enform Radio Wiring Diagram, with Navigation (2 of 4) for Lexus IS 250C 2013 List of elements for Radio Wiring Diagram, with Navigation (2 of 4) for Lexus IS 250C 2013: 55 (right side of dash) (w/ lexus enform) dcm (telematics transceiver) +b2 Acc Cb+ Cgnd Computer data lines system Cv+ Cv- Door locks & anti-theft systems Gnd1 Gvif Ill+ Ill- J101 J113 J118 J122 J3 (under center console) Jp2 Jq3 Lights system interior Lines system computer data Lp2 Mci+ Mci- Mco+ Mco- Mcvd Multi-display assembly Mute Pnk Qh1 Rear television camera assembly Red Right front speaker assembly 2 & 3 (front speaker assembly 3) Security indicator lamp Seuc Sgnd Shield Spi+ Spi- Spo+ Spo- Tx+ Tx- Usb Usbg Usbv Vmti Vor+ Vor- Vot+ Vot- W/ lexus enform W/o lexus enform Radio Wiring Diagram, with Navigation (3 of 4) for Lexus IS 250C 2013 List of elements for Radio Wiring Diagram, with Navigation (3 of 4) for Lexus IS 250C 2013: 50 Adpg Agnd Amplifier microphone assembly J115 J116 J117 J120 Jp2 Jp3 Jq3 Jr1 Left front speaker assembly 2 & 3 (front speaker assembly) Macc Map light assembly Mco+ Mco- Mi+ Mi- Mo+ Mo- Mq2 Multi-media module receiver assembly Nca Pnk Qp1 Qm1 Red Shield Sldi Sldo Sns2 Stereo jack adapter assembly 1 Ugd1 Us1+ Us1- Usb Usbg Usbv Usv1 Va- Val+ Var+ Vor+ Vor- Vot+ Vot- W/ lexus enform W/o lexus enform Wuo Mj1 Radio Wiring Diagram, with Navigation (4 of 4) for Lexus IS 250C 2013 List of elements for Radio Wiring Diagram, with Navigation (4 of 4) for Lexus IS 250C 2013: 59 (12 speaker) front speaker assembly (or pnk) +b2 +tw -tw 12 speaker 8 speaker Ap1 Ctr+ Ctr- Engine room r/b 1 (right rear of engine compt) Fl+ Fl- Fr+ Fr- Gnd Gnd2 Hot at all times Instrument cluster system Jk1 Jp2 Left front speaker assembly 1 Left rear speaker assembly Left rear speaker assembly 2 Lp2 Mi+ Mi- Mo+ Mo- Mq2 P3 (right side of trunk) P64 P65 Pnk Qp1 Rad 1 fuse 30a Rad 2 fuse 30a Red Right front speaker assembly 1 Right rear speaker assembly Right rear speaker assembly 2 Rl+ Rl- Rr+ Rr- Shield Sldi Sldo Spd Stereo component amplifier (right side of trunk) Stereo component speaker assembly Tmut Wf1+ Wf1- Wfl+ Wfl- Wfr+ Wfr- Wui Radio Wiring Diagram, without Navigation (1 of 3) for Lexus IS 250C 2013 List of elements for Radio Wiring Diagram, without Navigation (1 of 3) for Lexus IS 250C 2013: 81 (or red) Acc Acc fuse 7.5a Agnd Ali Antenna Ari Asgn Atx+ Atx- Auxi Cdl+ Cdl- Cdr+ Cdr- Computer data lines system Csld D22 D27 Gnd Hot at all times Hot w/ acc relay energized Ill+ Ill- Instrument cluster system Interior lights system Ivo+ Ivo- J/c j27 (left side of dash) J100 J110 J23 J3 (under center console) J95 J96 J97 J98 J99 Jp1 Jq3 Macc Mic+ Mic- Multimedia interface ecu (lower right side of dash) Mut1 Mute Nca Pnk Rad 3 fuse 10a Radio receiver assembly Red Right cowl side j/b (right end of dash) Sdars antenna Sgnd Sld Sldi Sns2 Spd Sw1 Sw2 Swg Tx+ Tx- Tx1+ Tx1- Tx2+ Tx2- Txm+ Txm- Udi+ Udi- Uesg Ulo+ Ulo- Upo Uro+ Uro- Usd1 W/ safety connect W/ sdars W/o safety connect Radio Wiring Diagram, without Navigation (2 of 3) for Lexus IS 250C 2013 List of elements for Radio Wiring Diagram, without Navigation (2 of 3) for Lexus IS 250C 2013: 33 (right side of dash) (w/ safety connect) dcm (telematics transceiver) Agnd Alo Amplifier microphone assembly Aro Asgn Auxo J101 Jr1 Map light assembly Mci+ Mci- Mco+ Mco- Mcvd Mute Nca Pnk Qm1 Red Sgnd Spi+ Spi- Spo+ Spo- Stereo jack adapter assembly 1 Udo+ Udo- Ujsg Upi W/ safety connect W/o safety connect Mj1 Radio Wiring Diagram, without Navigation (3 of 3) for Lexus IS 250C 2013 List of elements for Radio Wiring Diagram, without Navigation (3 of 3) for Lexus IS 250C 2013: 68 +b2 Acc Ap1 Combination meter Computer data lines system Disp Engine room r/b 1 (right rear of engine compt) Fl+ Fl- Fr+ Fr- Gnd Gnd2 Hot at all times Ii1+ Ii1- Input circuit Instrument cluster system J24 J34 Jp2 Left front speaker assembly 1 Left front speaker assembly 2 & 3 (front speaker assembly 3) Left rear speaker assembly Left steering pad switch Lp2 Micro computer Mode Mq2 Mssl Mute Off hook On hook P27 P28 P3 (right side of trunk) P30 P51 Pnk Qp1 Rad 2 fuse 30a Red Right front speaker assembly 1 Right front speaker assembly 2 & 3 (front speaker assembly 3) Right rear speaker assembly Right steering pad switch Rl+ Rl- Rr+ Rr- Seek+ Seek- Spd Spiral cable (under steering wheel) Steering pad switch assembly Stereo component amplifier (right side of trunk) Tmut Tx+ Tx- Voice Vol+ Vol- W/ safety connect W/o safety connect Wfl+ Wfl- Wfr+ Wfr-
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Lexus IS 250C 2013 List of elements for Shift Interlock Wiring Diagram for Lexus IS 250C 2013: 48 (right rear of engine compt) +bs A2 (left rear of engine compt) A29 Abs 2 fuse 30a Ae1 Brake actuator assembly Brake pedal load sensing switch (left side of dash) Canh Canl Computer data lines system D12 D13 D29 Ecu-ig lh fuse 10a Engine control module (left front of engine compt) Engine room j/b 1 Fsw+ Hot at all times Ig1d J/c a20 (left end of dash) J/c a29 & j10 (left kick panel) J/c a33 (right kick panel) J/c a9 (left side of engine compt) J/c j70 (right side of dash) J1 (left kick panel) J10 L10 Left cowl side j/b (left end of dash) Lh ig1 relay Lh ig2 relay Lh-ig fuse 10a Mpx1 Mpx2 Park/ neutral position switch (on transmission) Parking brake switch (base of parking brake foot lever assembly) Pkb Pnk Power source control ecu (right side of dash) Red Right cowl side j/b (right end of dash) Shift lock control ecu (under center console) Shift lock solenoid Sls+ Sls- Stop lamp switch (left side of dash) Stop sw fuse 7.5a Stp Steering Column Wiring Diagram for Lexus IS 250C 2013 List of elements for Steering Column Wiring Diagram for Lexus IS 250C 2013: 27 (under center console) j2 25a A27 D11 Engine room r/b 2 (left side of engine compt) Gnd Hot at all times Hot w/ ig2 relay energized Id code box (center of dash) Ig2 Ige Ign fuse 10a J/c j71 (right side of dash) J/c j80 (right side of dash) J2 (under center console) Ja3 Lin Lin1 Power source control ecu (right side of dash) Red Right cowl side j/b (right end of dash) Sgnd Slp Slp1 Slr+ Steering lock actuator (steering column) Str lock fuse
STARTING/CHARGING Charging Wiring Diagram for Lexus IS 250C 2013 List of elements for Charging Wiring Diagram for Lexus IS 250C 2013: 49 (or red) +ig A10 A24 A25 Ae1 Alt Alt fuse 150a Alt-s fuse 7.5a Battery Ca1h Ca1l Canh Canl Charge indicator Combination meter Computer data lines system D12 D13 E/g-b fuse 60a Engine control module (left front of engine compt) Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Engine room r/b 2 & engine room j/b 2 (left side of engine compt) Gateway ecu (right side of dash) Gauge fuse 7.5a Generator Hot at all times Hot w/ ig 2 relay energized Ig1d Input circuit J/c a8 (left side of engine compt) J/c j27 (left side of dash) J1 (left kick panel) J34 J4 (right kick panel) Left cowl side j/b (left end of dash) Lh- ig 1 relay Lh-ig fuse 10a Micro computer Mpi1 Mpi2 Mpx+ Mpx- Mpx-b fuse 10a Pnk Power source control ecu (right side of dash) Right cowl side j/b (right end of dash) Starter Starting Wiring Diagram for Lexus IS 250C 2013 List of elements for Starting Wiring Diagram for Lexus IS 250C 2013: 41 2.5l 3.5l A2 (left rear of engine compt) A29 Accr Ae1 Battery Ctsw D11 Engine control module (left front of engine compt) Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Engine room r/b 2 (left side of engine compt) Engine switch Ig 2 relay Ig2d J/c a29 & j10 (left kick panel) J/c a7 & a8 (left side of engine compt) J/c j71 (right side of dash) J/c j80 (right side of dash) J10 J4 (right kick panel) Ja3 Ksw Park/neutral position switch (on transmission) Power distribution system Power source control ecu (right side of dash) Red Right cowl side j/b (right end of dash) Sksw Ssw1 Ssw2 St cut relay Sta Star Starter Starter fuse 30a Starter relay Str1 Str2 Stsw
SUPPLEMENTAL RESTRAINTS Pre-Collision Wiring Diagram for Lexus IS 250C 2013 List of elements for Pre-Collision Wiring Diagram for Lexus IS 250C 2013: 47 A10 A25 Ba2 Brake actuator assembly Canh Canl Combination meter Computer data lines system Distance control ecu (left side of dash) Ecu- ig rh fuse 10a Gauge fuse 7.5a Hot at all times Hot w/ ig 2 relay energized Hot w/ rh ig 1 relay energized Ig+ Ig1 Igb Input circuit J15 J34 J4 (right kick panel) Ja4 Left front pre-collision seat belt motor (left "c" pillar) Lrdd Lrrd Luggage room r/b (left side of trunk) Micro computer Millimeter wave radar sensor (front of vehicle) Mol+ Mol- Mor+ Mor- Mpx+ Mpx- P2 (right rear of vehicle) P48 P49 Pcs ind Pgnd Pnk Psb fuse 30a Qp1 Qk2 Red Right cowl side j/b (right end of dash) Right front pre-collision seat belt motor Seat belt control ecu (left side of trunk) Supplemental Restraint Wiring Diagram (1 of 3) for Lexus IS 250C 2013 List of elements for Supplemental Restraint Wiring Diagram (1 of 3) for Lexus IS 250C 2013: 83 (left end of dash) left cowl side j/b (right end of dash) right cowl side j/b (right side of dash) power source control ecu (under center console) j2 +sl +sr -sl -sr Air bag sensor seat position Bbl+ Bbl- Bbr+ Bbr- Bcl+ Bcl- Bcr+ Bcr- Buckle switch Canh Canl Case gnd Center air bag sensor assembly (under center console) Computer data lines system D12 pnk D2+ D2- D6 pnk Dk+ Dk- Ecu-ig rh fuse 10a Fsr+ Fsr- Gauge fuse 7.5a Gsw Gsw3 Hot at all times Hot w/ ig 2 relay energized Ig1d Ig2 Ign fuse 10a J21 J26 pnk J4 (right kick panel) J47 J75 Ja1 Lbe+ Lbe- Left door side air bag sensor (in driver's door) Left front pretensioner (left "b" pillar) Left front seat inner belt Left side air bag sensor (left "c" pillar) Left side air bag squib circuit Lsp+ Lsp- Main body ecu Mpx1 Mpx2 P-ab P2+ P2- P62 Paon Pk+ Pk- Pl+ Pl- Pl1 Pnk Pr+ Pr- Q52 Qm1 Red Rh-ig1 relay Right cowl side j/b (right end of dash) Right door side air bag sensor (in front passenger's door) Right side air bag sensor (right "c" pillar) Sfl+ Sfl- Sfr+ Sfr- Sound systems Supplemental Restraint Wiring Diagram (2 of 3) for Lexus IS 250C 2013 List of elements for Supplemental Restraint Wiring Diagram (2 of 3) for Lexus IS 250C 2013: 43 (left front of engine compt) (left side of dash) driver side 2nd step air bag squib (left side of dash) driver side air bag squib (left side of dash) j/c j27 (left side of radiator) left front air bag sensor (right side of dash) network gateway ecu (right side of radiator) right front air bag sensor +sl +sr -sl -sr A21 Ca1h Ca1l Canh Canl Clock assembly Computer data lines system D17 Engine control module Front passenger's side squib circuit Ig+ Integration control & panel assembly Ja1 Ja5 Left cowl side j/b (left end of dash) Lower instrument panel air bag assembly 1 Lower instrument panel air bag assembly 2 Mpd1 Mpd2 Mpi1 Mpi2 P-ab Paon Pbew Pnk Right front pretensioner (right "b" pillar) Right side air bag squib circuit Second step Spiral cable sub- assembly (under steering j25 wheel) W/ front passenger's air bag on/off indicator light w/ front passenger's seat belt warning light W/ navigation W/o navigation Supplemental Restraint Wiring Diagram (3 of 3) for Lexus IS 250C 2013 List of elements for Supplemental Restraint Wiring Diagram (3 of 3) for Lexus IS 250C 2013: 55 +ig Anti-lock brakes system Ba2 Bgnd Brake actuator assembly Bsw Buckle switch Canh Canl Combination meter assembly Computer data lines system D12 D13 D29 Dia Distance control ecu (left side of dash) Ecu-ig lh fuse 10a Fsr+ Fsr- Gbt Gnd Gps Hot at all times Igb Input circuit J/c j27 (left side of dash) J/c j70 (right side of dash) J1 (left kick panel) J34 J35 Ja3 Ja4 Left cowl side j/b (left end of dash) Lh-ig2 relay Lrdd Lrrd Micro computer Millimeter wave radar sensor (front of vehicle) Mpx+ Mpx- Occupant classification ecu (if equipped) (under front passenger's seat) Occupant classification sensor (under front passenger's seat) P1 (right side of crossmember) Pblt Pnk Pt2 Red Right front seat inner belt (under front passenger's seat) Seat belt tension sensor (base of right "b" pillar) Skid control buzzer (w/ dynamic radar cruise control) (left side of dash) Srs ind Steering sensor (on steering column) Vbt Vps Yaw rate sensor (under center console)
TRANSMISSION Transmission Wiring Diagram (1 of 3) for Lexus IS 250C 2013 List of elements for Transmission Wiring Diagram (1 of 3) for Lexus IS 250C 2013: 64 (left side of engine compt) +b1 A10 A2 (left rear of engine compt) Accelerator position sensor (left side of dash) Ae1 Batt Canh Canl Computer data lines system D12 D13 E1 (left rear of engine) Efi 2 fuse 10a Efi fuse 25a Efi main relay Engine control module (left front of engine compt) Engine controls system Engine room j/b 2 (left side of engine compt) Engine room r/b 2 pnk Epa Epa2 Etcs fuse 10a Gauge fuse 7.5a Hot at all times Hot w/ ig 2 relay energized Ig1d Ign fuse 10a J/c a10 & e1 (left side of engine compt) J/c a33 (right kick panel) J/c a7 & a8 (left side of engine compt) J/c a9 (left side of engine compt) J/c j27 (left side of dash) J/c j70 (right side of dash) J24 J4 (right kick panel) Ja3 Left paddle shift switch Mrel Paddle shift switch Pnk Power source control ecu (right side of dash) Red Rh ig fuse 7.5a Rh- ig1 relay Right cowl side j/b (right end of dash) Sftd Sftu Shift switch right paddle Spd Spiral cable (under steering wheel) St1- Sta Starting/charging system Steering pad switch Stop lamp switch (left side of dash) Stop sw fuse 7.5a Stp Tach Transmission control switch (below center console) Vcp2 Vcpa Vpa Vpa2 Transmission Wiring Diagram (2 of 3) for Lexus IS 250C 2013 List of elements for Transmission Wiring Diagram (2 of 3) for Lexus IS 250C 2013: 61 (left front of engine compt) engine control module (left side of engine compt) j/c e49 (right side of dash) network gateway ecu +bm A10 A29 A33 Ae1 Brake actuator assembly Ca1h Ca1l Canh Canl Combination meter Computer data lines system E01 E02 E03 E1 (left rear of engine) E2 (right rear of engine) E2g Engine controls system Engine room r/b 1 (right rear of engine compt) Ge01 Hot at all times Ig+ Ig2 or dome +b Input circuit Intake mass air flow meter (right side of engine compt) J/c a10 & e1 (left side of engine compt) J/c a29 & j10 (left kick panel) J/c a33 & j80 (right kick panel) J10 J34 J4 (right kick panel) J80 Ja3 Me01 Micro computer Mpd1 Mpd2 Mpi1 Mpi2 Mpx+ Mpx- Mpx-b fuse 10a Nca P tachometer Pnk Pwr ind ect Red Right cowl side j/b (right end of dash) Snow ind ect Sp1 Speedometer Tha Throttle body assembly Thw Vc2 Vta1 Vta2 Transmission Wiring Diagram (3 of 3) for Lexus IS 250C 2013 List of elements for Transmission Wiring Diagram (3 of 3) for Lexus IS 250C 2013: 46 (left rear of engine) e1 (left side of engine compt) j/c e1 (rear of engine) e.f.i engine coolant temperature sensor Ae1 Body ecu Computer data lines system D13 Electronically controlled transmission solenoid (on transmission) Engine control module (left front of engine compt) Eoil Hot at all times Interior lights system J/c j70 (right side of dash) J1 (left kick panel) J75 Left cowl side j/b (left end of dash) Lh ig1 relay Lh-ig fuse 10a Mpx1 Mpx2 Nt+ Nt- Oil Park/neutral position switch (on transmission) Pattern select switch assembly 1 Pnk Pwr Red Right cowl side j/b (right end of dash) Sl1+ Sl1+ red Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Snow Sp2+ Sp2- Star Starting/ charging system Starting/charging system Transmission revolution sensor (counter gear) (rear of transmission) Transmission revolution sensor (turbine) (front of transmission)
TRUNK, TAILGATE, FUEL DOOR Trunk & Fuel Door Release Wiring Diagram for Lexus IS 250C 2013 List of elements for Trunk & Fuel Door Release Wiring Diagram for Lexus IS 250C 2013: 64 A11 A24 A28 A30 Acc Acc fuse 7.5a Altb Becu Computer data lines system D11 D18 Engine room r/b 1 (right rear of engine compt) Fr wip fuse 30a Fuel Fuel lid Fuel lid w/ motor lock assembly (left side of luggage compt) Fuel opn fuse 10a Fuel opn relay Fusw Gnd Gnd2 Hot at all times Hot in on or acc Hot in on or start Interior lights system J/c j27 (left side of dash) J/c j71 (right side of dash) J/c j80 (right side of dash) J1 (left kick panel) J2 (under center console) J21 J74 J75 Jq1 Left cowl side j/b (left end of dash) Left main body ecu Lgcy Lh-ig fuse 10a Lpsw Luggage Luggage compartment door lock assembly Luggage door opening cancel switch assembly Luggage door opening switch assembly Luggage electrical key switch (center rear of trunk) Luggage room r/b (left side of trunk) Mpx-b fuse 10a Mpx1 Mpx2 Mpxb Pnk Q2 (left side of trunk) Q35 Qh1 Qk3 Red Rh ecu-ig fuse 10a Right cowl side j/b (right end of dash) Right main body ecu Sliding roof control ecu (center of trunk) Ti & te fuse 20a Tkul Tr+ Tsw Wig
WARNING SYSTEMS Seat Belt Warning Wiring Diagram for Lexus IS 250C 2013 List of elements for Seat Belt Warning Wiring Diagram for Lexus IS 250C 2013: 88 (left kick panel) j1 (right side of dash) power source control ecu (under front passenger's seat) occupant classification sensor (under front passenger's seat) right front seat inner belt A/c amplifier (center of dash) A10 A20 A24 A25 Bgnd Body ecu Brake actuator assembly Bsw Buckle switch Ca1h Ca1l Canh Canl Center air bag sensor assembly (under center console) Clock assembly Combination meter Computer data lines system D12 D14 Dcty Dia Diode (occupant detection sensor) Door ind Driver's seat belt indicator Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Front passenger's seat belt warning lamp Fsr+ Fsr- Gauge fuse 7.5a Gps Hot at all times Hot w/ ig 2 relay energized Ig+ Ig1d Ig2 or dome+b Input circuit Integrated control & panel assembly J/c j27 (left side of dash) J21 J34 J35 J4 (right kick panel) J47 J58 J75 Ja3 Jp2 Jq1 Lbe+ Lbe- Left cowl side j/b (left end of dash) Left front door courtesy switch Left front seat inner belt assembly Micro computer Mpi1 Mpi2 Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Network gateway ecu (right side of dash) Occupant classification ecu (if equipped) (under front passenger's seat) Occupant detection sensor P/sb P1 (right side of crossmember) P62 Passive restraint system Pbew Pblt Pnk Pt1 Pt2 Q52 Red Rh-ig1 relay Right cowl side j/b (right end of dash) Right front seat inner belt (w/o occupant classification system) (under front passenger's seat) Sp1 Vps W/ navigation W/o navigation Tire Pressure Monitoring Wiring Diagram for Lexus IS 250C 2013 List of elements for Tire Pressure Monitoring Wiring Diagram for Lexus IS 250C 2013: 65 (right side of dash) power source control ecu A/c amplifier (center of dash) A10 A24 A25 Anfr Anrl Ant1 Ant4 Brake actuator assembly Clsw Combination meter Computer data lines system D12 D13 D29 Ecu-ig lh fuse 10a Engine room r/b 1 (right rear of engine compt) Gauge fuse 7.5a Gnd Gtx+ Gtx- Hot at all times Hot w/ ig 2 relay energized Idsw Ig+ Ig1d Ig2 or dome+b Input circuit Int J/c j27 (left side of dash) J/c j70 (right side of dash) J1 (left kick panel) J34 J35 J4 (right kick panel) J58 Ja3 Ja6 Jq2 Left cowl side j/b (left end of dash) Left rear tire pressure warning antenna (left side of luggage compt) Lh-ig2 relay Master indicator Micro computer Mpi1 Mpi2 Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Msm+ Msm- Mssl Msw Nca Network gateway ecu (right side of dash) Pnk Right cowl side j/b (right end of dash) Right front tire pressure warning antenna Satellite set switch Sp1 Tire pressure indicator Tire pressure warning ecu (center of dash) Vsw
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Lexus IS 250C 2013 List of elements for Front Wiper/Washer Wiring Diagram for Lexus IS 250C 2013: 81 (left end of dash) left cowl side j/b (left kick panel) j1 A10 A2 (left rear of engine compt) A24 A25 A30 Auto Circuit input Combination meter assembly Computer data lines system D11 D12 D13 D14 Ecu-ig lh fuse 10a Ecu-ig rh fuse 10a Engine room j/b 2 (left side of engine compt) Engine room r/b 1 (right rear of engine compt) Fr wip fuse 30a Front controller Gauge fuse 7.5a Gnd Gnd2 Head Headlamp washer circuit High Hot at all times Hot w/ ig 2 relay energized Hot w/ lh-ig1 relay energized Ig+ Ig1d Ig2 Int Int off J/c a15 (left rear corner of engine compt) J/c a9 (left side of engine compt) J/c j27 (left side of dash) J/c j70 (right side of dash) J/c j71 (right side of dash) J/c j80 (right side of dash) J1 (left kick panel) J2 (under center console) J26 J34 J4 (right kick panel) Jq1 Jr2 Left cowl side j/b (left end of dash) Level warning switch assembly Lh-ig 2 relay Low Main body ecu Map light assembly (w/ auto wiper) Micro computer Mist Mpx Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Off Pnk Power source control ecu (right side of dash) Rain sensor (front center of roof at windshield) Rh-ig 1 relay Right cowl side j/b (right end of dash) S/m S/s Sig Switch washer W/ auto wiper W/o auto wiper Wash relay Washer fuse 20a Wig Windshield washer motor (below left headlight) Windshield wiper motor (lower left side of windshield) Windshield wiper switch assembly Wiper switch Headlamp Washer Wiring Diagram for Lexus IS 250C 2013 List of elements for Headlamp Washer Wiring Diagram for Lexus IS 250C 2013: 61 (left end of dash) left cowl side j/b (right end of dash) right cowl side j/b (right rear of engine compt) (right rear of engine compt) engine room r/b 1 A2 (left rear of engine compt) A33 A36 Auto Computer data lines system D12 D13 D14 Ecu-ig rh fuse 10a Engine room j/b 1 Engine room j/b 2 (left side of engine compt) Engine room r/b 2 (left side of engine compt) Front controller Frwa H-lp cln fuse 30a Hdlo Head Head- lp relay Headlamp cleaner control relay (below left headlight) Headlamp cleaner motor & pump assembly (below left headlight) Headlamp cleaner switch assembly Headlamp dimmer switch assembly Headlights system Hot at all times Hrly Ig1d Interior lights system J/c a33 & j80 (right kick panel) J/c a8 (left side of engine compt) J/c a9 (left side of engine compt) J/c j27 (left side of dash) J1 (left kick panel) J2 (under center console) J26 J4 (right kick panel) J74 J80 Ja3 Left cowl side j/b (left end of dash) Lh ig fuse 10a Lh- ig 1 relay Light control switch Main body ecu Main fuse 30a Mpx1 Mpx2 Off Pnk Power source control ecu (right side of dash) Red Rh-ig1 relay Tail Wash relay Washer fuse 20a Washer switch Windshield washer motor (below left headlight) Windshield wiper switch assembly
