Diagram sections — 33 (123 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 350 2009 List of elements for Automatic A/C Wiring Diagram (1 of 3) for Lexus IS 350 2009: 70 (partial) (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 pressure sensor (low) (m/t) (left rear of engine compt) A/c room temperature sensor (left center of dash) A11 A27 A33 Automatic light control sensor (left side of dash) B1 (right front of engine compt) Bllh Blrh Blw Computer data lines system Cut + D12 D13 D29 Dgs Dgs1 Ecu-ig lh fuse 10a Gnd Hot at all times Htr1 Htr2 Ig+ Ig1d J/c a7, a8, a33 & j80 (a33 & j80: a7 right kick panel) J/c j70 (right side of dash) J1 (left kick panel) J58 J59 J80 Left cowl side j/b (left end of dash) Left ig2 relay Lh ig1 relay Lh-ig fuse 10a Lout Mhtr Mpx+ Mpx- Pnk Pre Psw Rdfg Red Right cowl side j/b (right end of dash) Rout S5-2 S5-3 S5-4 Seat heater switch (if equipped) Seats system Sg-1 Sg-2 Sg-3 Sg-4 Sg-6 Smog ventilation sensor (3.5l) (front of radiator) Sol+ Svs5 Svsg Sw4 Sw5 Tsd Tsl Tsp Tsr Automatic A/C Wiring Diagram (2 of 3) for Lexus IS 350 2009 List of elements for Automatic A/C Wiring Diagram (2 of 3) for Lexus IS 350 2009: 46 2.5l 3.5l A4 (right rear of engine compt) Acmg Ambient temperature sensor (left center of front bumper fascia) Blower motor (right end of dash) Ca1h Ca1l Can h Can l Combustion heater glow plug (rear of engine) Computer data lines system Crankshaft position sensor (left front of engine) E1 (left rear of engine) Engine control module (left front of engine compt) Engine coolant temperature sensor (rear of engine) Engine room j/b 1 & engine room r/b 1 (right rear of engine compt) Etam Ethw Fan Fan1 fuse 40a Fan2 Fan2 fuse 40a Gateway ecu (right end of dash) 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 J/c e1 (left side of engine compt) J/c j2 & j7 (left kick panel) j2 J/c j81 & j84 (right kick panel) j81 J84 Lck1 Mpi1 Mpi2 Nca Ne+ Ne- Pnk Red Tam Thw Automatic A/C Wiring Diagram (3 of 3) for Lexus IS 350 2009 List of elements for Automatic A/C Wiring Diagram (3 of 3) for Lexus IS 350 2009: 39 (e1: 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 compressor A/c evaporator temperature sensor A10 A2 (left rear of engine compt) A3 (left rear of engine compt) B bus B2 (left front of engine compt) Bus Bus g Connector housing color (block) 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 J/c a9 (left side of engine compt) Lock sensor Magnetic clutch Red
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 3) for Lexus IS 350 2009 List of elements for Anti-lock Brakes Wiring Diagram (1 of 3) for Lexus IS 350 2009: 65 (left rear of engine compt) a2 +bs A/t A1 (left rear j/c a15 of engine compt) A12 A24 A3 (left rear of engine compt) A33 Abs 1 fuse 50a Abs 2 fuse 30a 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 & engine room r/b 1 (right rear of engine compt) Fl+ Fl- Flo Fr+ Fr- Fro Fsw+ Gnd1 Gnd2 Hot at all times Ig1 Ig1d J/c a20 (left kick panel) 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 L10 Left front speed sensor (left front wheel hub assembly) Left rear speed sensor (left rear wheel hub assembly) M/t Mpx-b fuse 10a Parking brake switch (left side of dash) Pkb Pnk Power source control ecu (right side of dash) Red Rh-ig 1 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 ecu w/ actuator (left rear of engine compt) Sp1 Stop sw fuse 7.5a Stp1 Stp2 Stpo Traction control switch Vsc warning buzzer (left side of dash) Anti-lock Brakes Wiring Diagram (2 of 3) for Lexus IS 350 2009 List of elements for Anti-lock Brakes Wiring Diagram (2 of 3) for Lexus IS 350 2009: 52 (a/t) (right side of dash) j/c j70 4wd control ecu (if equipped) (right kick panel) A10 A29 Abs ind Bat Brake ind Brk-lp relay Canh Canl Combination meter Computer data lines system D12 D13 D29 Ecu-ig lh fuse 10a Engine room r/b 2 (left side of engine compt) Ess Hot at all times Ig+ Input circuit J/c a29 & j10 (left kick panel) J/c a7 & a8 J/c j27 (left side of dash) J/c j70 (right side of dash) J1 (left kick panel) J10 J2 (under center console) J34 J4 (right kick panel) Left cowl side j/b (left end of dash) Lh- ig 1 relay Lh- ig2 relay Lh-ig fuse 10a Master ind Micro computer Micro computer (sub) Mpx+ Mpx- Multi information display Out Park/neutral position switch (a/t) (on transmission) Pnk Red Right cowl side j/b (right end of dash) Slip ind Steering sensor (on steering column) Stop lamp control relay (a/t) (left side of dash) Stop lamp switch (left side of dash) Stp Vsc off ind Anti-lock Brakes Wiring Diagram (3 of 3) for Lexus IS 350 2009 List of elements for Anti-lock Brakes Wiring Diagram (3 of 3) for Lexus IS 350 2009: 52 (left end of dash) left cowl side j/b (left kick panel) (w/ adaptive front- lighting system) headlamp swivel ecu (or vcta) (right side of dash) j/c j70 (under center console) yaw rate sensor 2.5l 3.5l A25 Accelerator pedal sensor (left side of dash) Camshaft timing oil control valve (left exhaust) (left cylinder head) Camshaft timing oil control valve (left intake) (left cylinder head) Camshaft timing oil control valve (right exhaust) (right cylinder head) Camshaft timing oil control valve (right intake) (right cylinder head) Canh Canl Computer data lines system Crankshaft position sensor (left front of engine) E1 (left rear of engine) Engine control module (left front of engine compt) Engine controls system Epa Epa2 Gauge fuse 7.5a Geo1 Gnd Hot w/ ig2 relay energized J/c e1 (left side of engine compt) J1 (left kick panel) Nca Ne+ Ne- Oc1+ Oc1- Oc2+ Oc2- Oe1+ Oe1- Oe2+ Oe2- Pnk Red Right cowl side j/b (right end of dash) Spdl Spdr Throttle body assembly Vc2 Vcp2 Vcpa Vpa Vpa2 Vta1 Vta2
ANTI-THEFT Anti-theft Wiring Diagram, with Smart Key System (1 of 7) for Lexus IS 350 2009 List of elements for Anti-theft Wiring Diagram, with Smart Key System (1 of 7) for Lexus IS 350 2009: 53 Acc Acc fuse 7.5a Act+ Act- Actd Altb Batb Body ecu Computer data lines system Cpub D24 Ecu-ig rh fuse 10a Fr door rh fuse 20a Gsw Hot at all times Hot w/ acc relay energized Hot w/ rh-ig 1 relay energized Hrly J/c a33 (right kick panel) J/c q36 (left rear wheelwell) J10 J17 J21 J74 J75 Kul Left front door lock assembly (driver's door) Left rear door lock assembly (left rear door) Lgcy Lock key Lssr Lsw Lswl Lswp Lswr Mpx1 Mpx2 P1 (right side of crossmember) Pnk Power window master switch Pws Q1 (left "b" pillar) Q2 (left side of trunk) Red Right cowl side j/b (right end of dash) Right front door lock assembly (front passenger's door) Right rear door lock assembly (right rear door) Ti & te fuse 20a Tr+ Udl Ul1 Unlock detection Unlock key Anti-theft Wiring Diagram, with Smart Key System (2 of 7) for Lexus IS 350 2009 List of elements for Anti-theft Wiring Diagram, with Smart Key System (2 of 7) for Lexus IS 350 2009: 47 A1 (left rear of engine compt) A11 A36 Body ecu Bzr Courtesy D11 D17 Dcty Dome lamp Door Door lock control switch Gnd1 Gnd2 Haz Ill+ Ind Integrated control & panel assembly J/c a15 J/c j27 (left side of dash) J/c j80 (right kick panel) J2 (under center console) J4 (right kick panel) J74 J75 Lcty Left front door courtesy switch (left "b" pillar) Left rear door courtesy switch (left "c" pillar) Lock Luggage door lock assembly Multi- display Overhead j/b (front center of roof) P1 (right side of crossmember) Pcty Q2 (left side of trunk) Rcty Red Right cowl side j/b (right end of dash) Right front door courtesy switch (right "b" pillar) Right rear door courtesy switch (right "c" pillar) Room lamp Security horn (right rear of engine compt) Seuc Un lock W/ navigation W/o navigation Wireless door lock buzzer (inside left front wheelwell) Anti-theft Wiring Diagram, with Smart Key System (3 of 7) for Lexus IS 350 2009 List of elements for Anti-theft Wiring Diagram, with Smart Key System (3 of 7) for Lexus IS 350 2009: 48 A12 A29 A30 Bdcy Body ecu Computer data lines system D12 Dome fuse 10a Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Foot lamp Gnd Haz Head lp 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) J/c p24 & p25 (right side of trunk) J/c q33 & q34 (left rear wheelwell) J1 (left kick panel) J10 J2 (under center console) L14 Lcty Left cowl side j/b (left end of dash) Left outer rear view mirror Lgcy Lkul Lpsw Luggage compartment door lock cylinder Luggage electrical key switch (center rear of trunk) M15 Main fuse 30a Mpx1 Mpx2 P24 P25 Pnk Q2 (left side of trunk) Q33 Q34 Right outer rear view mirror Sgnd Turn signal flasher (left side of dash) W/ memory W/o memory W/o navigation system Anti-theft Wiring Diagram, with Smart Key System (4 of 7) for Lexus IS 350 2009 List of elements for Anti-theft Wiring Diagram, with Smart Key System (4 of 7) for Lexus IS 350 2009: 35 A2 (left rear of engine compt) Air bag sensor assembly center (under center console) B1 (right front of engine compt) Buckle switch Ca1h Ca1l Canh Canl Combination meter Computer data lines system Dbe- 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) Front controller Gateway ecu (right end of dash) Horn (high) (front of radiator) Horn (low) (front of radiator) Horn fuse 10a Horn relay Hot at all times J34 J47 gsw Left front seat inner belt Mpd1 Mpd2 Mpi1 Mpi2 Mpx+ Mpx- Mpx-b fuse 10a Q32 dbe+ Red Skid control ecu w/ actuator (left rear of engine compt) Sp1 Anti-theft Wiring Diagram, with Smart Key System (5 of 7) for Lexus IS 350 2009 List of elements for Anti-theft Wiring Diagram, with Smart Key System (5 of 7) for Lexus IS 350 2009: 54 A24 Acc fuse 7.5a Ant Ant1 Ant2 Asel Becu Body ecu Clg Clgb D12 D13 D18 Data Door control receiver (right rear of vehicle) Ecu- ig rh fuse 10a Electrical key antenna (right rear of trunk) Gnd Hot at all times Hot w/ acc relay energized J/c j27 (left side of dash) J/c l11 (front passenger's door) J/c m14 (driver's door) J/c p24 & p25 (right side of trunk) J1 (left kick panel) J15 J18 J24 J29 J4 (right kick panel) Left cowl side j/b (left end of dash) Left front door electrical key oscillator (driver's door) Left front door outside handle Lh-ig 1 relay Lh-ig fuse 10a Nca P1 (right side of crossmember) P2 (right rear of vehicle) P24 P25 Park/ neutral position switch (a/t) (on transmission) Pnk Q1 (left "b" pillar) Red Rh-ig 1 relay Right cowl side j/b (right end of dash) Right front door electrical key oscillator (front passenger's door) Right front door outside handle Rssi Sel Sens Sgt Trg+ Trg- Anti-theft Wiring Diagram, with Smart Key System (6 of 7) for Lexus IS 350 2009 List of elements for Anti-theft Wiring Diagram, with Smart Key System (6 of 7) for Lexus IS 350 2009: 57 (right side of trunk) certification ecu (under center console) console electrical key oscillator +b1 Acc Agnd Asel Cg1b Cg2b Cg5b Cg6b Cg7b Cg8b Clg1 Clg2 Clg3 Clg4 Clg5 Clg6 Clg7 Clg8 Clgb Code Com Computer data lines system D11 Gnd Inds Indw Inside luggage room electrical key oscillator (left side of trunk) J/c j71 (right side of dash) J/c j80 (right kick panel) J/c p26 (right side of trunk) J4 (right kick panel) Lin Mpx1 Mpx2 Outside luggage room electrical key oscillator (right side of trunk) P1 (right side of crossmember) Pnk Power switch Rc0 Rda Rear seat electrical key oscillator (left rear seat) Red Right cowl side j/b (right end of dash) Rssi Sel1 Sel2 Sen1 Sen2 Ss1 Ss2 Swil Tsw1 Tsw2 Txct Vc5 Anti-theft Wiring Diagram, with Smart Key System (7 of 7) for Lexus IS 350 2009 List of elements for Anti-theft Wiring Diagram, with Smart Key System (7 of 7) for Lexus IS 350 2009: 74 (left kick panel) j/c a29 & j10 (or red) A/t A27 A29 Accd Alt Am1 Am2 Am2 fuse 7.5a Canh Canl Computer data lines system Ctsw D11 Efii Efio Engine control module (left front of engine compt) Engine room r/b 2 (left side of engine compt) Generator Gnd Gnd2 Hot at all times Hot w/ ig2 relay energized Id code box (center of dash) Ig1d Ig2 Ig2d Ige Ign fuse 10a Imi Imo Inds Indw Instrument cluster system J/c j71 (right side of dash) J/c j80 (right kick panel) J10 J2 (under center console) J4 (right kick panel) Left cowl side j/b (left end of dash) Lin Lin1 Mpx1 Mpx2 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 Sgnd Shift lock control ecu (under center console) Sksw Slp Slp1 Slr+ Spd Ssw1 Ssw2 Sta Star Starting/ charging system Starting/charging system Steering lock ecu (steering column) Stop lamp switch (left side of dash) Stop sw fuse 7.5a Stp Str lock fuse 25a Str1 Str2 Stsw Swil Tach Anti-theft Wiring Diagram, without Smart Key System (1 of 4) for Lexus IS 350 2009 List of elements for Anti-theft Wiring Diagram, without Smart Key System (1 of 4) for Lexus IS 350 2009: 60 (driver's door) left front door lock assembly A24 Acc Acc fuse 7.5a Act+ Act- Actd Altb Batb Body ecu Computer data lines system Cpub D18 D24 Detection unlock Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Fr door rh fuse 20a Gnd Hot at all times Hot w/ rh ig1 relay energised Hrly J/c a33 (right kick panel) J/c j27 (left side of dash) J/c m14 (driver's door) J/c q36 (left rear wheel- well) J10 J17 J21 J29 J74 J75 Key lock Key unlock Kul Left cowl side j/b (left end of dash) Left rear door lock assembly (left rear door) Lgcy Lssr Lsw Lswl Lswp Lswr Mpx-b fuse 10a Mpx1 Mpx2 P1 (right side of cross member) Pnk Power window master switch Pws Q1 (left "b" pillar) Q2 (left side of trunk) Red Right cowl side j/b (right end of dash) Right front door lock assembly (front passenger's door) Right rear door lock assembly (right rear door) T1 & te fuse 20a Tr+ Udl Ul1 Anti-theft Wiring Diagram, without Smart Key System (2 of 4) for Lexus IS 350 2009 List of elements for Anti-theft Wiring Diagram, without Smart Key System (2 of 4) for Lexus IS 350 2009: 47 A11 A36 Body ecu Combination meter Computer data lines system D11 D17 Dcty Dome lamp Door courtesy switch (left front) (left "b" pillar) Door courtesy switch (left rear) (left "c" pillar) Door courtesy switch (right front) (right "b" pillar) Door courtesy switch (right rear) (right "c" pillar) Door lock control switch Gnd1 Gnd2 Haz Ind Integrated control & panel assembly Intrusion sensor J/c j27 (left side of dash) J/c j71 (right side of dash) J/c j80 (right kick panel) J2 (under center console) J34 J4 (right kick panel) J74 J75 Lcty Lock Luggage door lock assembly Mpx+ Mpx- Multi- display Overhead j/b (front center of roof) P1 (right side of crossmember) Pcty Q2 (left side of trunk) Rcty Red Right cowl side j/b (right end of dash) Room lamp Security horn (right rear of engine compt) Seuc Unlock W/ navigation system W/o navigation system Anti-theft Wiring Diagram, without Smart Key System (3 of 4) for Lexus IS 350 2009 List of elements for Anti-theft Wiring Diagram, without Smart Key System (3 of 4) for Lexus IS 350 2009: 49 A12 A29 A30 Body ecu Computer data lines system D12 Dome fuse 10a Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Foot lamp Gateway ecu (right end of dash) Gnd Haz Head lp 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) J/c p24 & p25 (right side of trunk) J/c q33 & q34 (left rear wheelwell) J1 (left kick panel) J10 J2 (under center console) L14 Lcty Left cowl side j/b (left end of dash) Left outer rear view mirror Lgcy Lkul Luggage compt door lock cylinder M15 Main fuse 30a Mpd1 Mpd2 Mpi1 Mpi2 Mpx1 Mpx2 P24 P25 Q2 (left side of trunk) Q33 Q34 Right outer rear view mirror Sgnd Turn signal flasher (left side of dash) W/ memory W/o memory W/o navigation system Anti-theft Wiring Diagram, without Smart Key System (4 of 4) for Lexus IS 350 2009 List of elements for Anti-theft Wiring Diagram, without Smart Key System (4 of 4) for Lexus IS 350 2009: 25 (right side of trunk) certification ecu A2 (left rear of engine compt) Ant Asel B1 (right front of engine compt) Computer data lines system Data Door control receiver (right rear of vehicle) Electrical key antenna (right rear of trunk) Engine hood courtesy switch (center front of engine compt) Engine room j/b 2 (left side of engine compt) Front controller Gnd Horn (high) (front of radiator) Horn (low) (front of radiator) Horn fuse 10a Horn relay Hot at all times Mpx1 Mpx2 P2 (right rear of vehicle) Rc0 Rda Red Rssi
BODY CONTROL MODULES Body ECU Wiring Diagram (2 of 2) for Lexus IS 350 2009 List of elements for Body ECU Wiring Diagram (2 of 2) for Lexus IS 350 2009: 46 A15 A16 A19 A30 Back Bdcy Bkup Body ecu (left end of dash) 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 Hot in run or start Ile Ile1 Instrument cluster system Interior lights system J/c j27 (left side of dash) J1 (left kick panel) J2 (under center console) J23 Lcty Left cowl side j/b (left end of dash) Lgcy Lh-ig fuse 10a Lkul Lpsw Mpx1 Mpx2 Mpxb Navigation system Op02 Pnk Power window master switch Power windows system Rcty Red S/m S/s Sgnd Trunk, tailgate, fuel doors system Wig Wiper/washer system Front Controller Wiring Diagram for Lexus IS 350 2009 List of elements for Front Controller Wiring Diagram for Lexus IS 350 2009: 46 (hid type) (w/ drl) (w/o drl) A2 (left rear of engine compt) Computer data lines system D15 D18 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 Fr tail fuse 10a Front controller G10 G11 G12 G13 H-lp upr fuse 15a 20a Head hi relay Headlights system Hid type Horn fuse 10a Horn relay Horns system Hot at all times Hot in on or start Instrument cluster system Interior lights system J/c j27 (left side of dash) J/c q7 & u1 (under driver's seat) 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 Overhead j/b (front center of roof) Power source control ecu (right side of dash) Right cowl side j/b (right end of dash) W/ auto wiper W/ drl W/ memory W/o drl Wiper/washer system Integration Control and Panel Wiring Diagram for Lexus IS 350 2009 List of elements for Integration Control and Panel Wiring Diagram for Lexus IS 350 2009: 28 A24 Acc Anti-theft system D12 D14 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 start Ig+ Ill+ Ill- Instrument cluster system 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 Pbew Pnk Red Right cowl side j/b (right end of dash) Seuc Sound systems Tx+ Tx-
COMPUTER DATA LINES Data Link Connector Wiring Diagram for Lexus IS 350 2009 List of elements for Data Link Connector Wiring Diagram for Lexus IS 350 2009: 47 4wd control ecu (if equipped) (right kick panel) A10 A14 Air bag sensor assembly center (under center console) Bat Body ecu Canh Canl Combination meter D10 D11 D28 Data link connector 3 (left side of dash) Dia E1 (left rear of engine compt) Engine control module (left front of engine compt) Free Gateway ecu (right end of dash) High/low bus circuit Hot at all times J/c a10 & e1 (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 kick panel) J1 (left kick panel) J34 J47 J50 J74 J80 L10 Left cowl side j/b (left end of dash) Multi-display (w/ navigation) Obd fuse 7.5a Obd2 Occupant classification ecu (under front passenger's seat) Opa Red Right cowl side j/b (right end of dash) Right front seat inner belt (under front passenger's seat) Sil Skid control ecu w/ actuator (left rear of engine compt) Tac W/ occupant classification system W/ power seat W/o power seat High/Low Bus Wiring Diagram (1 of 3) for Lexus IS 350 2009 List of elements for High/Low Bus Wiring Diagram (1 of 3) for Lexus IS 350 2009: 62 (right kick panel) j4 A/c amplifier (center of dash) A20 A24 A29 Acc Acc fuse 7.5a Batt Body ecu Ca1h Ca1l Canh Canl Clearance warning ecu (w/ parking assist) (left side of trunk) Combination meter D12 D14 D27 Data link connector 3 (left side of dash) Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Gateway ecu (right end of dash) Gnd Gtx+ Gtx- Headlamp swivel ecu (left kick panel) Hot at all times Hot w/ acc relay energized Input circuit J/c a29 & j10 (left kick panel) J/c j27 (left side of dash) J/c j80 (right kick panel) J/c p24 & p25 (right side of trunk) J1 (left kick panel) J10 J21 J34 J58 J75 Left cowl side j/b (left end of dash) Micro computer Mpd1 Mpd2 Mpi1 Mpi2 Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 P24 P25 Pnk Red Rh- ig 1 relay Right cowl side j/b (right end of dash) Sil Tire pressure warning ecu (center of dash) W/ adaptive front-lighting W/ tire pressure warning system W/o adaptive front-lighting W/o tire pressure warning system High/Low Bus Wiring Diagram (2 of 3) for Lexus IS 350 2009 List of elements for High/Low Bus Wiring Diagram (2 of 3) for Lexus IS 350 2009: 25 (on steering column) (if equipped) 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 (w/ memory) right front seat position control ecu & switch 4wd control ecu (if equipped) (right kick panel) A31 Canh Canl Ig1d J/c j1, j2, j3, j4, j5, j6, j7, j8 & j9 (left kick panel) J/c j81, j82, j84 & j86 (right kick panel) J26 J81 J82 J84 J86 L10 Mpx1 Mpx2 Pnk Power steering ecu (right rear of engine compt) Power window master switch Red Windshield wiper switch assembly High/Low Bus Wiring Diagram (3 of 3) for Lexus IS 350 2009 List of elements for High/Low Bus Wiring Diagram (3 of 3) for Lexus IS 350 2009: 55 (left front door) (w/ memory) left outer mirror control ecu A30 Air bag sensor assembly center (under center console) Atx+ Atx- Body ecu Canh Canl D13 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) J47 J51 J63 J65 J66 Left cowl side j/b (left end of dash) Left front seat position control ecu & switch (w/ memory) Lh-ig2 relay M10 Mpx Mpx1 Mpx2 Multi- display Multi-media module navigation assembly Overhead j/b (front center of roof) P30 Pnk Q59 Radio receiver assembly Rain sensor (w/ auto wiper) Red Seat belt control ecu (w/ pre-collision system) (left side of trunk) Skid control ecu w/ actuator (left rear of engine compt) Sliding roof control ecu (if equipped) (center front of roof) Steering sensor (on steering column) Stereo component amplifier (right side of trunk) Tx+ Tx- Tx2+ Tx2- Tx3+ Tx3- Tx4+ Tx4- Txm+ Txm- W/ navigation W/o navigation Yaw rate sensor (under center console)
COOLING FAN Cooling Fan Wiring Diagram for Lexus IS 350 2009 List of elements for Cooling Fan Wiring Diagram for Lexus IS 350 2009: 60 (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) A/c pressure sensor (low) (m/t) (left rear of engine compt) A3 (left rear of engine compt) B2 (left front of engine compt) Ca1h Ca1l Can h Can l Computer data lines system Cooling fan motor 1 (left front of engine compt) Cooling fan motor 2 (right front of engine compt) Crankshaft position sensor (left front of engine) Cut+ D12 D13 E1 (left rear of engine) Engine control module (left front of engine compt) Engine coolant temperature sensor (rear of engine) 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 Gateway ecu (right end of dash) Hot at all times Ig1d J/c a7 & a8 J/c e1 (left side of engine compt) J/c j2 & j7 (left kick panel) j2 J/c j81 & j84 (right kick panel) j81 J1 (left kick panel) J84 Left cowl side j/b (left end of dash) Lh ig1 relay Lh-ig fuse 10a Mpi1 Mpx+ Mpx- Nca Ne+ Ne- Pnk Power source control ecu (right side of dash) Pre Psw Red Right cowl side j/b (right end of dash) S5-2 S5-3 Sg-2 Sg-3 Thw
CRUISE CONTROL Cruise Control Wiring Diagram, with Dynamic Radar Controls (1 of 3) for Lexus IS 350 2009 List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (1 of 3) for Lexus IS 350 2009: 66 +b1 +res -set A10 A2 (left rear of engine compt) A24 A25 Accelerator position sensor (left side of dash) Anti-lock brakes system Batt Cancel Canh Canl Cchg Ccs Computer data lines system Control steering right distance 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 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 (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) Left paddle shift switch 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) Sftd Sftu Shift switch right paddle Spd Spiral cable (under steering wheel) St1- Steering pad switch 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 350 2009 List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (2 of 3) for Lexus IS 350 2009: 51 (left front of engine compt) engine control module +bm A10 A33 Combination meter 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) Eta Etcs fuse 10a Ge01 Hot at all times Ig+ Ig2 or dome +b Input circuit J/c a10 & e1 (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 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 body assembly Transmission control switch Vcta Vta1 Vta2 Cruise Control Wiring Diagram, with Dynamic Radar Controls (3 of 3) for Lexus IS 350 2009 List of elements for Cruise Control Wiring Diagram, with Dynamic Radar Controls (3 of 3) for Lexus IS 350 2009: 55 (left front wheel hub assembly) (left rear of engine compt) skid control ecu w/ actuator (left rear of engine) e1 (left side of engine compt) j/c e1 (right rear wheel hub assembly) A10 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- Gateway ecu (right end of dash) Grd Igb J/c a10 & e1 (e1: left side of engine compt) J/c e2 (left side of engine compt) Left front speed sensor Left rear speed sensor (left rear wheel hub assembly) Lgnd Lrdd Lrrd Millimeter wave radar sensor (front of vehicle) Mode Mpi1 Mpi2 Oil Park/neutral position switch (on transmission) Pnk Red Right front speed sensor (right front wheel hub assembly) Right rear speed sensor Rl+ Rl- Rr+ Rr- Sgrd Sl1+ Sl1+ red Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Sp1 Cruise Control Wiring Diagram, without Dynamic Radar Controls (1 of 3) for Lexus IS 350 2009 List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (1 of 3) for Lexus IS 350 2009: 62 (e1: left side of engine compt) j/c a10 & e1 (left kick panel) j/c a29 +b1 +res -set A10 A2 (left rear of engine compt) A24 A25 Accelerator position sensor (left side of dash) Batt Cancel Canh Canl Ccs Computer data lines system 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 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 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) 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 (under steering wheel) St1- Steering pad switch Stop lamp switch (left side of dash) Stop sw fuse 7.5a Stp Transmission control switch Vcp2 Vcpa Vpa Vpa2 Cruise Control Wiring Diagram, without Dynamic Radar Controls (2 of 3) for Lexus IS 350 2009 List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (2 of 3) for Lexus IS 350 2009: 46 +bm A10 A33 Combination meter 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) Eta Etcs fuse 10a Ge01 Hot at all times Ig+ Ig2 or dome +b Input circuit J/c a10 & e1 (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 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 body assembly Vcta Vta1 Vta2 Cruise Control Wiring Diagram, without Dynamic Radar Controls (3 of 3) for Lexus IS 350 2009 List of elements for Cruise Control Wiring Diagram, without Dynamic Radar Controls (3 of 3) for Lexus IS 350 2009: 42 (left front wheel hub assembly) left front speed sensor (left rear of engine) e1 (left rear wheel hub assembly) left rear speed sensor (left side of engine compt) j/c e1 (right front wheel hub assembly) (right rear wheel hub assembly) right rear speed sensor 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- Gateway ecu (right end of dash) J/c e2 (left side of engine compt) Mpi1 Mpi2 Oil Park/neutral position switch (on transmission) Pnk Red Right front speed sensor Rl+ Rl- Rr+ Rr- Skid control ecu w/ actuator (left rear of engine compt) Sl1+ Sl1+ red Sl1- Sl2+ Sl2- Slt+ Slt- Slu+ Slu- Sp1
DEFOGGERS Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 350 2009 List of elements for Rear Defogger & Heated Mirrors Wiring Diagram for Lexus IS 350 2009: 49 A/c amplifier (center of dash) A/c fuse 7.5a A11 A27 D12 D13 D29 Defog fuse 50a Defog relay Ecu-ig lh fuse 10a Engine room j/b 1 & engine room r/b 1 (right rear of engine compt) Gnd Hot at all times Ig1d J/c j70 (right side of dash) J/c q33 & q34 (left rear wheelwell) J1 (left kick panel) J10 J28 J4 (right kick panel) J58 J80 j/c a33 & j80 (right kick panel) a33 L14 Left cowl side j/b (left end of dash) Left outer rear view mirror Lh- ig 1 relay Lh- ig 2 relay Lh-ig fuse 10a M15 Mhtr Mir htr fuse 15a Mirror heater Mirror heater relay (left rear of vehicle) Noise filter P1 (right side of crossmember) P19 P2 (right rear of vehicle) Pnk Power source control ecu (right side of dash) Q1 (left "b" pillar) Q21 Q33 Q34 Rdfg Rear window defogger Right cowl side j/b (right end of dash) Right outer rear view mirror W/ memory W/o memory
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Lexus IS 350 2009 List of elements for Electronic Power Steering Wiring Diagram for Lexus IS 350 2009: 70 A10 A24 A25 A27 A31 A5 (right rear of engine compt) Bat C1 (front of engine) Ca1h Ca1l Canh Canl Combination meter Computer data lines system Computer micro Crankshaft 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 & engine room r/b 1 (right rear of engine compt) Eps fuse 80a Ess Gateway ecu (right end of dash) Gauge fuse 7.5a Headlamp swivel ecu (left kick panel) 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- Oucs Ousn P/s ind Pgnd Pig Pnk Power steering ecu (right rear of engine compt) Power steering motor (lower front of engine compt) Power steering torque sensor (left front of engine) Red Right cowl side j/b (right end of dash) Rzcs Rzg Rzsn Rzv Skid control ecu w/ actuator (left rear of engine compt) Srzg Ss+ Ss- Ss1+ Ss1- Steering sensor (on steering column) Tqg1 Tqg2 Trqv Power Tilt Steering Column Wiring Diagram for Lexus IS 350 2009 List of elements for Power Tilt Steering Column Wiring Diagram for Lexus IS 350 2009: 43 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 J2 (under center console) J26 J4 (right kick panel) Junction connector j27 (left side of dash) Left cowl side j/b (left end of dash) Long Mpx-b fuse 10a Mpx1 Mpx2 Msw Pnk Red Right cowl side j/b (right end of dash) Short Switch tilt & telescopic Telescopic motor Telescopic sensor Tem+ Tem- Tes Ti & te fuse 20a Tilt & telescopic ecu (on steering column) Tilt motor (at steering column) Tim+ Tim- Tis Vce Vci Windshield wiper switch assembly
ENGINE PERFORMANCE
3.5L 3.5L, Engine Performance Wiring Diagram (1 of 8) for Lexus IS 350 2009 List of elements for 3.5L, Engine Performance Wiring Diagram (1 of 8) for Lexus IS 350 2009: 71 (left center of front bumper fascia) ambient temperature sensor (left side of engine compt) engine room j/b 2 +b1 Accelerator position sensor (left side of dash) Accr Acmg Air conditioning system Batt C/opn relay Canh Canl Cchg Ccs 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 Eppm Etam F/pmp fuse 25a Fan Fan2 Fpr Heated oxygen sensor (bank 1 sensor 2) (right side exhaust system) Heated oxygen sensor (bank 2 sensor 2) (left side exhaust system) Hot at all times Ht1b Ht2b Id code box (center of dash) Igsw Imi Imo Irel Ksw Lgnd Mpmp Mrel Nca O1b- O2b- Ox1b Ox2b 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 Vcpp Vpa Vpa2 Vpmp 3.5L, Engine Performance Wiring Diagram (2 of 8) for Lexus IS 350 2009 List of elements for 3.5L, Engine Performance Wiring Diagram (2 of 8) for Lexus IS 350 2009: 31 (forward of left rear wheel) fuel suction pump & gauge assembly (left kick panel) j/c a29 & j10 (left side of engine compt) engine room r/b 2 (right side of engine compt) fuel pump resistor A2 (left rear of engine compt) A29 Canister pressure sensor Canister pump assembly (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 a7 & a8 J/c a9 (left side of engine compt) J10 Leak detection pump Nca Pnk Pump Q1 (near 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) 3.5L, Engine Performance Wiring Diagram (3 of 8) for Lexus IS 350 2009 List of elements for 3.5L, Engine Performance Wiring Diagram (3 of 8) for Lexus IS 350 2009: 49 (right end of dash) right cowl side j/b +bm A10 A24 A25 Air conditioning system Camshaft timing oil control valve (right exhaust) (right cylinder head) Camshaft timing oil control valve (right intake) (right cylinder head) Crankshaft position sensor (left front of engine) D13 E03 E2 (right rear of engine) Engine control module (left front of engine compt) Eta Gauge fuse 7.5a Ge01 Hot at all times Hot w/ ig 2 relay energized Hot w/ rh-ig1 relay energized Ign fuse 10a J/c j70 (right side of dash) J2 (under center console) J4 (right kick panel) Lck1 Me01 Nca Ne+ Ne- Oc1+ Oc1- Oe1+ Oe1- Pnk Prg Red Rh-ig fuse 7.5a Sftd Sftu Stop sw fuse 7.5a Transmission control switch Vcta Vcv1 Vcv2 Vta1 Vta2 Vv1+ Vv1- Vv2+ Vv2- 3.5L, Engine Performance Wiring Diagram (4 of 8) for Lexus IS 350 2009 List of elements for 3.5L, Engine Performance Wiring Diagram (4 of 8) for Lexus IS 350 2009: 46 (left side of dash) j/c j27 A10 Body ecu (right end of dash) Combination meter Computer data lines system Cruise control system Dome fuse 10a E1 (left rear of engine) Ect pwr ind Ect snow ind Efi Electronically controlled transmission pattern select switch Engine oil level sensor (bottom of engine) Engine room r/b 1 (right rear of engine compt) Hot at all times Ig+ Ig2 or dome +b Indicator malfunction Input circuit Interior lights system J/c a10 & e1 (j/c e1: left side of engine compt) J/c j70 (right side of dash) J1 (left kick panel) J21 J34 J35 J75 Lamp Left cowl side j/b (left end of dash) Master ind Micro computer Micro computer (sub) Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Multi information display Nca Pnk Pwr Red Right cowl side j/b (right end of dash) Snow Speedometer Tachometer 3.5L, Engine Performance Wiring Diagram (5 of 8) for Lexus IS 350 2009 List of elements for 3.5L, Engine Performance Wiring Diagram (5 of 8) for Lexus IS 350 2009: 28 (rear of engine) engine coolant temperature sensor A/f fuse 15a A/f relay E2 (right rear of engine) Engine room j/b 2 & 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 Noise filter (ignition left) (left side of engine) Noise filter (ignition right) (right side of engine) Red Throttle body assembly 3.5L, Engine Performance Wiring Diagram (6 of 8) for Lexus IS 350 2009 List of elements for 3.5L, Engine Performance Wiring Diagram (6 of 8) for Lexus IS 350 2009: 41 (front of engine compt) injector driver (edu) (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) (right rear of engine compt) spill control valve +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 E27 Fp+ Fp- Fpd Fpf1 Fuel pressure sensor (rear of engine compt) Ha1a Ha2a Ij1+ Ij1- Ij2+ Ij2- Ij3+ Ij3- Ij4+ Ij4- Ij5+ Ij5- Ij6+ Ij6- Ijf2 Ijf3 Injf Knock control sensor 1 (top right side of engine) Knock control sensor 2 (top left side of engine) Nca Pnk Red 3.5L, Engine Performance Wiring Diagram (7 of 8) for Lexus IS 350 2009 List of elements for 3.5L, Engine Performance Wiring Diagram (7 of 8) for Lexus IS 350 2009: 38 (on transmission) park/neutral position switch A1a+ A1a- A2a+ A2a- E1 (left rear of engine) E2 (right rear of engine) Engine control module (left front of engine compt) Eo4 Eo5 Epr Ev1+ Ev1- Ev2+ Ev2- Ex+ Ex- Fpd Fpf1 Fuel injectors (port injection) (fuel injectors 1, 3 & 5: top right side of engine) (fuel injectors 2, 4 & 6: left side of engine) Ha1a Ha2a Hot w/ lh-ig1 relay energized Igt2 Igt5 Igt6 Ijf2 Ijf3 Injf Left cowl side j/b (left end of dash) Lh-ig fuse 10a Red Vc2 Vce1 Vce2 Vcpr Vvt sensor (bank 1 exhaust side) (right rear of engine) Vvt sensor (bank 2 exhaust side) (left rear of engine) 3.5L, Engine Performance Wiring Diagram (8 of 8) for Lexus IS 350 2009 List of elements for 3.5L, Engine Performance Wiring Diagram (8 of 8) for Lexus IS 350 2009: 51 (left cylinder head) camshaft timing oil control valve (left exhaust) (left cylinder head) camshaft timing oil control valve (left intake) (left side of engine compt) j/c e2 (rear of engine) vsv (purge) (right side of engine compt) mass air flow meter 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 Etha Ethw 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)
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Lexus IS 350 2009 List of elements for Backup Lamps Wiring Diagram for Lexus IS 350 2009: 34 (2.5l) (3.5l) A/t A24 Backup lamp switch (right side of transmission) Backup light Bkup Body ecu D18 E49 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) J/c q33 & q34 (left rear wheelwell) J1 (left kick panel) J23 Left cowl side j/b (left end of dash) Left rear combination lamp Lh-ig fuse 10a M/t Mpx-b fuse 10a Mpxb Park/ neutral position switch (on trans- mission) Q2 (left side of trunk) Q33 Q34 Q40 Q46 Right cowl side j/b (right end of dash) Right rear combination lamp Sgnd Exterior Lamps Wiring Diagram (1 of 3) for Lexus IS 350 2009 List of elements for Exterior Lamps Wiring Diagram (1 of 3) for Lexus IS 350 2009: 68 (right kick panel) j4 +ig A/c amplifier (center of dash) A10 A15 pnk A24 A25 A29 A30 Auto Body ecu Certification ecu (right side of trunk) Clock assembly (w/ navigation) integration control & panel assembly (w/o navigation) Combination meter D14 D18 Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Gateway ecu (right end of dash) Gauge fuse 7.5a Gnd Head Headlamp dimmer switch assembly Headlamp swivel ecu (left kick panel) Hot at all times Hot in on or start Ig2 or dome+b Input circuit J/c a29 & j10 (left kick panel) J/c j27 (left side of dash) J/c j80 (right kick panel) J1 (left kick panel) J10 J26 J34 J35 Left cowl side j/b (left end of dash) Lh turn ind Lh- ig fuse 10a Light control switch Micro computer Mpd1 Mpd2 Mpi1 Mpi2 Mpx+ Mpx- Mpx- b fuse 10a Mpx1 Mpx2 Off Power source control ecu (right side of dash) Power window master switch Red Rh turn ind Right cowl side j/b (right end of dash) Switch hazard Tail Tail ind (except usa) Tire pressure warning ecu (center of dash) Turn switch W/ adaptive front-lighting system W/ navigation W/ tire pressure warning system W/o adaptive front-lighting system W/o navigation W/o tire pressure warning system Windshield wiper switch assembly Exterior Lamps Wiring Diagram (2 of 3) for Lexus IS 350 2009 List of elements for Exterior Lamps Wiring Diagram (2 of 3) for Lexus IS 350 2009: 77 (left "b" pillar) q1 (left front of engine compt) b2 (right front of engine compt) b1 A12 A17 A18 A2 (left rear of engine compt) A20 A26 Acc Acc fuse 7.5a Altb Automatic light control sensor (left side of dash) Batb Becu Body ecu Cltb Clte Clts Dcty 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 door rh fuse 20a Fr tail fuse 10a Fr tail relay Front controller G10 G11 Gnd1 Haz 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 p24 & p25 (right side of trunk) J1 (left kick panel) J14 J17 red J4 (right kick panel) J74 J75 K4 red Lcty Left cowl side j/b (left end of dash) Left headlamp assembly Left outer mirror control ecu (left front door) Left outer rear view mirror Lh ecu-ig fuse 10a Lh-ig fuse 10a Light turn M10 Marker Mpx-b fuse 10a Mpx1 Mpx2 P24 Parking Pcty Pnk Q1 (left "b" pillar) Rcty Red Red a13 Right cowl side j/b (right end of dash) Right headlamp assembly Ti & te fuse 20a Trly Trn+ Trni Turn Turn light Turn signal flasher (left side of dash) Turn- haz fuse 15a W/ seat position memory W/o seat position memory Exterior Lamps Wiring Diagram (3 of 3) for Lexus IS 350 2009 List of elements for Exterior Lamps Wiring Diagram (3 of 3) for Lexus IS 350 2009: 63 (left kick panel) j1 (left side of dash) stop lamp control relay A/t A29 Backup Backup lamps circuit Brk- lp relay (a/t) Center stop lamp Door) 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 J/c a29 & j10 (left kick panel) J/c a7 & a8 (a/t) J/c j27 (left side of dash) J/c q33 & q34 (left rear wheelwell) J10 J24 L14 Left cowl side j/b (left end of dash) Left license plate lamp Left rear combination lamp Lh j/b- am fuse 80a Lh- ig fuse 10a M/t Marker ind Noise filter (stop lamp) (left rear wheelwell) Out P1 (right side of crossmember) Pnk Q33 Q34 Q34 red Q40 Q46 Q50 Q51 Red Right cowl side j/b (right end of dash) Right license plate lamp Right outer mirror control ecu (right front l10 Right outer rear view mirror Right rear combination lamp Skid control ecu w/ actuator (left rear of engine compt) Stop lamp switch (left side of dash) Stop sw fuse 7.5a Stop/tail ind Stp Stp1 Stp2 Stpo Tail fuse 10a Tail ind Tail relay Trn Trn+ Trni Turn Turn light W/ seat position memory W/o seat position memory
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 7) for Lexus IS 350 2009 List of elements for Ground Distribution Wiring Diagram (1 of 7) for Lexus IS 350 2009: 32 (if equipped) headlamp cleaner control relay (w/ adaptive front lighting) headlamp swivel ecu A/c compressor A/f relay A1 (left rear of engine compt) A2 (left rear of engine compt) A27 A3 (left rear of engine compt) A31 A4 (right rear of engine compt) A5 (right rear of engine compt) Blower motor Brake fluid level warning switch Brake pedal load sensing switch Efi 2 relay Efi main relay Engine control module 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 Ig2 relay Junction connector a15 Junction connector a20 (left kick panel) Junction connector a9 (left side of engine compt) Power steering ecu Skid control ecu w/ actuator St cut relay Water level warning switch Windshield washer motor Windshield wiper motor Wireless door lock buzzer Ground Distribution Wiring Diagram (2 of 7) for Lexus IS 350 2009 List of elements for Ground Distribution Wiring Diagram (2 of 7) for Lexus IS 350 2009: 30 (a/t) transmission control switch (w/ dynamic radar cruise control) distance control ecu (w/ dynamic radar cruise control) millimeter wave radar sensor A/c compressor A10 Air fuel ratio sensor (bank 1 sensor 1) shield Air fuel ratio sensor (bank 2 sensor 1) shield Canister pump module Crankshaft position sensor shield Data link connector 3 E1 (left rear of engine) E2 (right rear of engine) Engine control module Engine oil level sensor Heated oxygen sensor (bank 1 sensor 2) shield Heated oxygen sensor (bank 2 sensor 2) shield Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Inj relay shield J24 Junction connector a10 & e1 (e1: left side of engine compt) Junction connector j70 (right side of dash) Knock control sensor shield Nca Spill control valve shield Spiral cable Ground Distribution Wiring Diagram (3 of 7) for Lexus IS 350 2009 List of elements for Ground Distribution Wiring Diagram (3 of 7) for Lexus IS 350 2009: 36 (front center of roof) overhead j/b (w/ 4wd) 4wd control ecu (w/ navigation) multi- display A10 Acc relay Air bag sensor assembly center Body ecu Cigarette lighter Combination meter D11 D17 Defog relay Engine room r/b 1 (right rear of engine compt) Id code box J34 J4 (right kick panel) J47 J50 Junction connector j71 (right side of dash) Junction connector j80 (right kick panel) K10 Left vanity lamp switch Luggage compartment door opener switch Luggage compartment door opener switch (main) Noise filter Noise filter (ghost buster) Power source control ecu Power switch Pwr point relay Rh-ig1 relay Right cowl side j/b (right end of dash) Right vanity lamp switch Starter relay Steering lock ecu Tilt motor (w/ tilt & power telescopic steering) To ground j2 (diagram 4 of 7) Ground Distribution Wiring Diagram (4 of 7) for Lexus IS 350 2009 List of elements for Ground Distribution Wiring Diagram (4 of 7) for Lexus IS 350 2009: 45 (a/t) shift lock control ecu (if equipped) rear sunshade switch (if equipped) sliding roof control ecu (if equipped) tilt & telescopic ecu (w/ navigation) overhead j/b shield A/c amplifier A/t Air bag sensor assembly center Body ecu Cigarette lighter Clock assembly Combination meter Console box lamp D12 Data link connector 3 Electronically controlled transmission pattern select switch Etcs snow switch From right cowl side j/b (diagram 3 of 7) Gateway ecu Glove box lamp Integration control & panel assembly J1 (left kick panel) J2 (under center console) J26 J34 J47 J58 Junction connector j27 (left side of dash) Junction connector j70 (right side of dash) Left cowl side j/b (left end of dash) Lh-ig1 relay Lh-ig2 relay M/t Satellite switch Seat heater switch Steering lock ecu Steering sensor Stop lamp control relay Tire pressure warning ecu & receiver Traction control switch Turn signal flasher W/ navigation W/o navigation Windshield wiper switch assembly Yaw rate sensor Ground Distribution Wiring Diagram (5 of 7) for Lexus IS 350 2009 List of elements for Ground Distribution Wiring Diagram (5 of 7) for Lexus IS 350 2009: 44 (if equipped) rear sunshade relay (w/ memory seat) left outer mirror control ecu (w/ parking assist) clearance warning ecu Center stop lamp Fuel lid opener motor Fuel suction pump & gauge assembly Junction connector q35 (left rear wheelwell) Junction connector q7 & u1 (under driver's seat) Junction connector u11 (under driver's seat) Left front door electrical key oscillator Left front door lock assembly Left front power window regulator motor Left front seat back climate control blower Left front seat cushion climate control blower Left front seat inner belt Left front seat inner belt assembly Left front seat lumbar support power seat switch Left front seat position control ecu & switch Left front seat power seat switch Left license plate lamp Left outer rear view mirror Left rear combination lamp Left rear door lock assembly Left rear power window regulator motor Left rear power window switch Left seat heater Luggage compartment door lock cylinder Luggage door lock assembly Luggage electrical key switch M10 M15 Outer mirror switch Power window master switch Q1 (left "b" pillar) Q2 (left side of trunk) Q58 Right rear combination lamp Seat belt control ecu W/ memory W/ memory seats W/ power seats W/o memory W/o memory seats W/o power seats Ground Distribution Wiring Diagram (6 of 7) for Lexus IS 350 2009 List of elements for Ground Distribution Wiring Diagram (6 of 7) for Lexus IS 350 2009: 40 (if equipped) occupant classification ecu (w/ climate control seat right front seat back climate control blower (w/ climate control seat right front seat cushion climate control blower (w/ memory seats) right outer mirror control ecu (w/ memory) (w/ power seat) right front seat inner belt (w/ power seat) right front seat lumbar support control power seat switch (w/o power seat) right front seat inner belt assembly Certification ecu Door control receiver Door lock control switch Junction connector p26 (right side of trunk) Junction connector t11 (front passenger's seat) Junction connector t14 (under front passenger's seat) L1 (w/o memory) L10 L14 P1 (right side of crossmember) P19 P2 (right rear of vehicle) Power outlet socket Rear window defogger Right front door electrical key oscillator Right front door lock assembly Right front power window regulator motor Right front power window switch Right front seat position control ecu & switch Right front seat power seat switch Right outer rear view mirror Right rear door lock assembly Right rear power window regulator motor Right rear power window switch Right seat heater W/ climate control seat W/ memory seats W/ occupant classification W/ power seats W/o climate control seat W/o memory seats W/o occupant classification Ground Distribution Wiring Diagram (7 of 7) for Lexus IS 350 2009 List of elements for Ground Distribution Wiring Diagram (7 of 7) for Lexus IS 350 2009: 24 (3.5l) smog ventilation sensor B1 (right front of engine compt) B2 (left front of engine compt) C1 (front of engine) Cooling fan motor 1 Engine hood courtesy switch Fuel injectors 1, 3 & 5 shield Fuel injectors 2, 4 & 6 shield H1 (front of engine) I1 (front of engine) J3 (under center console) J66 Left front fog lamp Left headlamp assembly Nca P27 P3 (right side of trunk) Power steering motor shield Radio receiver assembly Right front fog lamp Right headlamp assembly Stereo component amplifier Stereo jack adapter shield W/ hid type
HEADLIGHTS Adaptive Front Lighting Wiring Diagram (1 of 2) for Lexus IS 350 2009 List of elements for Adaptive Front Lighting Wiring Diagram (1 of 2) for Lexus IS 350 2009: 61 A2 (left rear of engine compt) A27 A28 A58 Bl1+ Bl1- Bl2+ Bl2- Br1+ Br1- Br2+ Br2- Computer data lines system Flo Fro Front height control sensor (left front of engine compt) H-lp lvl fuse 7.5a Headlamp leveling motor Headlamp swivel ecu (left kick panel) Headlamp swivel motor Hot in on or start J/c a20 (left kick panel) J/c a9 (left side of engine compt) K10 Left cowl side j/b (left end of dash) Left headlight assembly Ll1+ Ll1- Ll2+ Ll2- Lr1+ Lr1- Lr2+ Lr2- Motor Mpx1 Mpx2 Pnk Rear height control sensor (under rear of vehicle) Red Right headlight assembly Sbf Sbr Sensor Sgf Sgr Shb Shfl Shg Shrl Skid control ecu w/ actuator (left rear of engine compt) Smbl Smbr Smgl Smgr Sml Smr Spdl Spdr Ss+ Ss- Adaptive Front Lighting Wiring Diagram (2 of 2) for Lexus IS 350 2009 List of elements for Adaptive Front Lighting Wiring Diagram (2 of 2) for Lexus IS 350 2009: 40 +ig A10 Afs off ind Auto Body ecu Combination meter Computer data lines system Dimmer switch Engine room r/b 1 (right rear of engine compt) Flash Gauge fuse 7.5a Head Headlamp dimmer switch assembly High Hot at all times Hot in on or start Ig2 or dome +b Input circuit J/c j27 (left side of dash) J21 J26 J34 J4 (right kick panel) J74 J75 Light control switch Low Micro computer Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Off Right cowl side j/b (right end of dash) Ssi+ Ssi- Steering sensor (on steering column) Tail Windshield wiper switch assembly Headlamps Wiring Diagram (1 of 2) for Lexus IS 350 2009 List of elements for Headlamps Wiring Diagram (1 of 2) for Lexus IS 350 2009: 68 (right kick panel) j4 +ig A10 A11 A24 Acc Acc fuse 7.5a Altb Auto Automatic light control sensor (left side of dash) Batb Beam ind Becu Body ecu Cltb Clte Clts Combination meter 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 Front fog ind Gauge fuse 7.5a Gnd1 Head Head ind (usa) Headlamp dimmer switch assembly High Hot at all times Hot in 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 Lcty Left cowl side j/b (left end of dash) Light control switch Low Micro computer Mpx+ Mpx- Mpx- b fuse 10a Mpx1 Mpx2 Off Pcty Rcty Red Right cowl side j/b (right end of dash) Tail Ti & te fuse 20a To front controller (diagram 2 0f 2) Windshield wiper switch assembly Headlamps Wiring Diagram (2 of 2) for Lexus IS 350 2009 List of elements for Headlamps Wiring Diagram (2 of 2) for Lexus IS 350 2009: 35 (left front of engine compt) b2 (right front of engine compt) b1 A2 (left rear of engine compt) A33 D18 Ecu-ig lh fuse 10a Engine room j/b 1 engine room r/b 1 (right rear of engine compt) Engine room j/b 2 & engine room r/b 2 (left side of engine compt) Fr fog fuse 15a Fr fog relay Fr tail fuse 10a From mpx-b fuse (diagram 1 of 2) Front controller H-lp l lwr fuse 15a H-lp r lwr fuse 15a H-lp upr fuse 15a Head lp relay High Hot at all times Hot in on or start J/c a33 & j80 (right kick panel) J80 Left cowl side j/b (left end of dash) Left front fog lamp Left headlamp assembly Light control ecu Low Low (hid) Main fuse 30a Right front fog lamp Right headlamp assembly Solenoid W/ hid W/o hid Wiper/ washer system
HORN Horn Wiring Diagram for Lexus IS 350 2009 List of elements for Horn Wiring Diagram for Lexus IS 350 2009: 19 A2 (left rear of engine compt) Computer data lines system Engine room j/b 2 (left side of engine compt) 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 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 Windshield wiper switch assembly
INSTRUMENT CLUSTER Clock Wiring Diagram for Lexus IS 350 2009 List of elements for Clock Wiring Diagram for Lexus IS 350 2009: 38 A24 Acan Acc Acc fuse 7.5a Acc relay Accd Body ecu Clock assembly (w/ navigation system) 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 (w/o navigation system) 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 Pbew Pblt Pnk Power source control ecu (right side of dash) Rh-ig1 relay Right cowl side j/b (right end of dash) W/ navigation system W/o navigation system Instrument Cluster Wiring Diagram (2 of 2) for Lexus IS 350 2009 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Lexus IS 350 2009: 76 (left front of engine compt) 2.5l 3.5l A10 A11 A2 (left rear of engine compt) A29 A30 A33 Acc Acc fuse 7.5a Body computer Body ecu Canh Canl Computer data lines system Data link connector 3 (left side of dash) Dcty Disp Door lock assembly (luggage) E1 (left rear of engine) 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 gauge (sub) (in fuel tank) Fuel suction pump & gauge assembly (forward of left rear wheel) Gnd Hot in on or acc Hot w/ ig2 relay energized J/c a10 & e1 (e1: left side of engine compt) J/c a9 (left side of engine compt) J/c j10 & a29 (left kick panel) J/c j80 & a33 (right kick panel) J/c q36 (left rear whellwell) J10 J21 J24 J3 (under center console) J50 J63 J66 J75 J80 Lcty Left cowl side j/b (left end of dash) Left front door courtesy switch (left "b" pillar) Left rear door courtesy switch (left "c" pillar) Lgcy Lh ecu-ig fuse 10a Mol Mops Mpx1 Mpx2 Multi- display P30 Pcty Pnk Power source control ecu (right side of dash) Q2 (left side of trunk) Radio receiver assembly Rcty Red Right cowl side j/b (right end of dash) Right front door courtesy switch (right "b" pillar) Right rear door courtesy switch (right "c" pillar) Right steering pad switch Spd Spiral cable (under steering wheel) Steering pad switch Stereo component amplifier (right side of trunk) Swg Tac Tach Water level warning switch
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Lexus IS 350 2009 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Lexus IS 350 2009: 70 (if equipped) A11 A12 A19 Am1 Am2 Am2 fuse 7.5a Bdcy Body ecu D11 D17 Dcty Dcyl Foot lamp Gnd1 Gnd2 Hot at all times Ile Ile1 J/c j71 (right side of dash) J/c j80 (right kick panel) J/c l11 (front passenger's door) J/c m14 (driver's door) J/c p24 & p25 (right side of trunk) J/c q33 & q34 (left rear wheelwell) J/c q36 (left rear wheelwell) J2 (under center console) J4 (right kick panel) J75 L12 L14 Lcty Left cowl side j/b (left end of dash) Left front door courtesy lamp Left front door courtesy switch (left "b" pillar) Left outer rear view mirror Left outer scuff lamp Left rear door courtesy switch (left "c" pillar) Lgcy Luggage compartment lamp diode (left side of trunk) Luggage door lock assembly Luggage room lamp M11 M15 Main body ecu Noise filter (luggage room lamp) (left rear wheelwell) P24 P25 Parking brake switch (m/t) (left side of dash) Pcty Pcyl Pkb Pnk Power source control ecu (right side of dash) Power switch Q2 (left side of trunk) Q33 Q34 Rcty Red Right cowl side j/b (right end of dash) Right front door courtesy lamp Right front door courtesy switch (right "b" pillar) Right outer rear view mirror Right outer scuff lamp Right rear door courtesy switch (right "c" pillar) Swil W/ memory W/ outer scuff lamp W/o memory Courtesy Lamps Wiring Diagram (2 of 2) for Lexus IS 350 2009 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Lexus IS 350 2009: 33 A29 Body ecu D11 Dome fuse 10a Dome lamp Door Engine room r/b 1 (right rear of engine compt) Fspt Hot at all times J/c a29 & j10 (left kick panel) J/c j71 (right side of dash) J/c j80 (right kick panel) J10 J4 (right kick panel) J75 Left foot lamp Left front map lamp Left rear map lamp Left vanity lamp Left vanity lamp switch On/off Overhead j/b (front center of roof) Pnk Red Right cowl side j/b (right end of dash) Right foot lamp Right front map lamp Right rear map lamp Right vanity lamp Right vanity lamp switch Room lamp Shift illum- ination Ul2 Instrument Illumination Wiring Diagram (1 of 2) for Lexus IS 350 2009 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Lexus IS 350 2009: 60 (left side of dash) j/c j27 A24 Acc fuse 7.5a Auto Becu Center register illumination Cigar lighter Clock assembly Computer data lines system Console box lamp D12 D17 D20 D27 Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Glove box lamp 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) J2 (under center console) J26 J3 (under center console) J4 (right kick panel) J63 J66 Left cowl side j/b (left end of dash) Light control switch M18 M19 Main body ecu Mpx-b fuse 10a Mpx1 Mpx2 Multi- display (w/ navi- gation) Off Outer mirror switch Panel fuse 7.5a Radio receiver assembly Right cowl side j/b (right end of dash) Right register illumination Satellite switch Swg Tail Tail relay Trly W/ navi- gation W/memory W/o memory W/o navi- gation Windshield wiper switch assembly Instrument Illumination Wiring Diagram (2 of 2) for Lexus IS 350 2009 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Lexus IS 350 2009: 45 (left rear of engine compt) A/t A/t shift lever illumination (a/t) A10 A25 A29 Combination meter Computer data lines system Electronically controlled transmission pattern select switch Engine controls system Engine room r/b 2 (left side of engine compt) Etcs snow switch Gauge fuse 7.5a Headlamp cleaner switch Hot at all times Ig 2 fuse 10a Ig 2 relay Ig+ Ig2d Ill+ Ill- J/c a29 & j10 (left kick panel) J/c a9 (left side of engine compt) J/c j70 (right side of dash) J10 J24 J34 J35 J4 (right kick panel) Left register illumination Left steering pad sw Light control rheostat Luggage compartment door opener switch M/t Mpx+ Mpx- Pnk Power source control ecu (right side of dash) Rear sunshade switch (if equipped) Right cowl side j/b (right end of dash) Right steering pad sw Seat heater switch Spiral cable (under steering wheel) Steering pad switch Traction control switch
MEMORY SYSTEMS Driver"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 350 2009 List of elements for Driver"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 350 2009: 46 (under driver's seat) j/c q7 & u1 Ca1h Ca1l Canh Canl Computer data lines system D13 D18 Engine control module (left front of engine compt) Fr door lh fuse 20a Fr p/ seat lh fuse 30a Frv+ Frv- Gateway ecu (right end of dash) Gnd Hot at all times J/c m14 (driver's door) J1 (left kick panel) J18 J22 J29 Left cowl side j/b (left end of dash) Left position control ecu & switch (under driver's seat) Lft+ Lft- Lh-ig 1 relay Lh-ig fuse 10a Mpd1 Mpd2 Mpx1 Park/ neutral position switch (a/t) (on transmission) Pnk Power seat motor (left front seat front vertical control) (under driver's seat) Power seat motor (left front seat lumbar support control) (in driver's seat) Power seat motor (left front seat rear vertical control) (in driver's seat) Power seat motor (left front seat reclining control) (in driver's seat) Power seat motor (left front seat slide control) (in driver's seat) Power seat switch (front left seat lumbar support control) Q1 (left "b" pillar) Rcl+ Rcl- Red Skid control ecu w/ actuator (left rear of engine compartment) Sld+ Sld- Sysb Driver"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 350 2009 List of elements for Driver"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 350 2009: 49 (left "b" pillar) q1 A12 A20 A24 Ant Asel Bdr Body computer Certification ecu (right side of trunk) Computer data lines system Cpub D12 D14 Data Dcty Door control receiver (right rear of vehicle) Ecu-ig rh fuse 10a Electrical key antenna (right rear of trunk) Engine room r/b 1 (right rear of engine compt) Gnd Hot at all times Ig1d J/c j27 (left side of dash) J/c q36 (left rear wheelwell) J21 J4 (right kick panel) J75 Left front door courtesy switch (left "b" pillar) Left seat memory switch Mpx-b fuse 10a Mpx1 Mpx2 Mswe Outer mirror control ecu (left) (left front door) P2 (right rear of vehicle) Parking brake switch (m/t) (left side of dash) Pkb Pnk Power source control ecu (right side of dash) Rco Rda Red Rh-ig 1 relay Right cowl side j/b (right end of dash) Rssi Set Sig Sil1 Sile Memory Mirrors Wiring Diagram (1 of 2) for Lexus IS 350 2009 List of elements for Memory Mirrors Wiring Diagram (1 of 2) for Lexus IS 350 2009: 78 (right side of crossmember) (right side of dash) power source control ecu A20 A24 Adjusting switch Ant Asel Bdr Body ecu Ca1h Ca1l Certification ecu (right side of trunk) Computer data lines system Cpub D12 D14 Data Door control receiver (right rear of vehicle) Down Ecu-ig rh fuse 10a Electrical key antenna (right rear of trunk) Engine room r/b 1 (right rear of engine compt) Fold away switch (w/ retractor) Fr door rh fuse 20a Gateway ecu (right end of dash) Gnd Hot at all times Hssr Ig1d J/c l11 (front passenger's door) J/c p24 (right side of trunk) J15 J18 J21 J4 (right kick panel) J74 J75 L10 Left Left/right motor Lt/up Mirb Mire Mirs Mpd1 Mpd2 Mpx-b fuse 10a Mpx1 Mpx2 Mr+ Mr- Msw Outer mirror control ecu (right) (right front door) Outer mirror switch P2 (right rear of vehicle) Pe2 Pmhr Pmtr Pmvr Pnk Pvc Q1 (left "b" pillar) Rco Rda Red Ret Retractable motor Rh-ig 1 relay Right Right cowl side j/b (right end of dash) Right outer rear view mirror Rssi Rt/dn Select switch Sensor Sig Up/down motor Vssr Memory Mirrors Wiring Diagram (2 of 2) for Lexus IS 350 2009 List of elements for Memory Mirrors Wiring Diagram (2 of 2) for Lexus IS 350 2009: 49 (left "b" pillar) q1 A12 Bdr Body ecu Canh Canl Computer data lines system Cpub D13 D18 Dcty Engine control module (left front of engine compt) Fr door lh fuse 20a Gnd Hot at all times Hssr J/c j27 (left side of dash) J/c m14 (driver's door) J/c q36 (left rear wheelwell) J1 (left kick panel) J29 Left cowl side j/b (left end of dash) Left front door courtesy switch (left "b" pillar) Left outer rear view mirror Left seat memory switch Left/right motor Lh-ig 1 relay Lh-ig fuse 10a M10 Mpx1 Mr+ Mr- Mswe Outer mirror control ecu (left) (left front door) Park/ neutral position switch (a/t) (on transmission) Parking brake switch (m/t) (left side of dash) Pkb Pnk Red Retractable motor Right cowl side j/b (right end of dash) Sensor Set Sig Sil1 Sile Skid control ecu w/ actuator (left rear of engine compt) Up/down motor Vssr Memory Power Tilt & Power Telescopic Wiring Diagram (1 of 2) for Lexus IS 350 2009 List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram (1 of 2) for Lexus IS 350 2009: 65 (at steering (left "b" pillar) q1 (left front door) outer mirror control ecu (left) (right side of dash) power source control ecu A12 A15 A18 A20 A24 Ant Asel Bdr Body ecu Certification ecu (right side of trunk) Column) Computer data lines system Cpub D12 D14 Data Dcty Door control receiver (right rear of vehicle) Ecu-ig rh fuse 10a Ecub Electrical key antenna (right rear of trunk) Engine room j/b 1 (right rear of engine compt) Gnd Hot at all times Ig1d J2 (under center console) J21 J4 (right kick panel) J75 Left front door courtesy switch (left "b" pillar) Left seat memory switch Mpx-b fuse 10a Mpx1 Mpx2 Mswe P2 (right rear of vehicle) Parking brake switch (m/t) (left side of dash) Pkb Pnk Rco Rda Red Rh-ig1 relay Right cowl side j/b (right end of dash) Rssi Set Sig Sil1 Sile Telescopic sensor Tem+ Tem- Tes Ti & te fuse 20a Tilt & telescopic ecu (on steering column) Tilt motor Tim+ Tim- Tis Vce Vci Memory Power Tilt & Power Telescopic Wiring Diagram (2 of 2) for Lexus IS 350 2009 List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram (2 of 2) for Lexus IS 350 2009: 39 (left end of dash) left cowl side j/b (left side of dash) j/c j27 Ca1h Ca1l Canh Canl Computer data lines system D12 D13 D18 Down Engine control module (left front of engine compt) Fr door lh fuse 20a Gateway ecu (right end of dash) Headlamp dimmer switch assembly Hot at all times J/c j27 (left side of dash) J/c m14 (driver's door) J/c q36 (left rear wheelwell) J1 (left kick panel) J2 (under center console) J26 J29 Left cowl side j/b (left end of dash) Lh-ig fuse 10a Lh-ig1 relay Long Mpd1 Mpd2 Mpx1 Mpx2 Msw Park/ neutral position switch (a/t) (on transmission) Pnk Red Short Skid control ecu w/ actuator (left rear of engine compt) Tilt & telescopic switch Windshield wiper switch assembly Passenger"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 350 2009 List of elements for Passenger"s Memory Seat Wiring Diagram (1 of 2) for Lexus IS 350 2009: 45 (front passenger's seat) j/c t11 Ca1h Ca1l Canh Canl Certification ecu (right side of trunk) Computer data lines system D13 Engine control module (left front of engine compt) Fr door rh fuse 20a Fr p/ seat rh fuse 30a Frv+ Frv- Gateway ecu (right end of dash) Gnd Hot at all times J1 (left kick panel) J29 Left cowl side j/b (left end of dash) Lft+ Lft- Lh-ig 1 relay Lh-ig fuse 10a Mpd1 Mpd2 Mpx1 Mpx2 P1 (right side of crossmember) Park/ neutral position switch (a/t) (on transmission) Pnk Power seat motor (right front seat front vertical control) (under front passenger's seat) Power seat motor (right front seat lumbar support control) (front passenger's seat) Power seat motor (right front seat rear vertical control) (under front passenger's seat) Power seat motor (right front seat reclining control) (front passenger's seat) Power seat motor (right front seat slide control) (front passenger's seat) Power seat switch (front right seat lumbar support control) Rcl+ Rcl- Red Right cowl side j/b (right end of dash) Right position control ecu & switch (under front passenger's seat) Skid control ecu w/ actuator (left rear of engine compt) Sld+ Sld- Sysb Passenger"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 350 2009 List of elements for Passenger"s Memory Seat Wiring Diagram (2 of 2) for Lexus IS 350 2009: 38 A12 A20 Bdr Body ecu Computer data lines system Cpub D12 Dcty Ecu-ig rh fuse 10a Engine room r/b 1 (right rear of engine compt) Hot at all times Ig1d J/c l11 (front passenger's door) J/c p24 & p25 (right side of trunk) J15 J18 J20 J21 J4 (right kick panel) J75 Mpx-b fuse 10a Mpx1 Mpx2 Mswe P24 P25 Parking brake switch (m/t) (left side of dash) Pkb Pnk Power source control ecu (right side of dash) Red Rh-ig 1 relay Right cowl side j/b (right end of dash) Right front door courtesy switch (right "b" pillar) Right outer mirror control ecu (right front door) Right seat memory switch Set Sig
NAVIGATION Rear Sonar Wiring Diagram for Lexus IS 350 2009 List of elements for Rear Sonar Wiring Diagram for Lexus IS 350 2009: 82 (left end of dash) left cowl side j/b (left rear wheelwell) j/c q35 (left side of trunk) q2 (under center console) j2 2.5l 3.5l A/t A10 A12 A30 Backup lamp switch (right side of trans- mission) Bkup Body ecu Ca1h Ca1l Canh Canl Cbz Clearance sonar ind Clearance warning buzzer (center of dash) Clearance warning ecu (left side of trunk) Combination meter Computer data lines system D12 D13 E49 Engine control module (left front of engine compt) Engine controls system Gateway ecu (right end of dash) Gnd Gtx+ Gtx- Hot at all times Ig1d Ig2 or dome +b Input circuit J/c e2 & e49 (left side of engine compt) J/c j27 (left side of dash) J/c j70 (right side of dash) J/c q33 (left rear wheelwell) J1 (left kick panel) J12 J21 J23 J34 J4 (right kick panel) J75 L10 Left cowl side j/b (left end of dash) Left front corner ultrasonic sensor (left front of vehicle) Left rear center ultrasonic sensor (rear bumper) Left rear corner ultrasonic sensor (rear bumper) Lh-ig 1 relay Lh-ig fuse 10a M/t Micro computer Mpd1 Mpd2 Mpi1 Mpi2 Mpx+ Mpx- Mpx1 Mpx2 Navigation circuit Ne+ Ne- Park/ neutral position switch (on trans- mission) Parking brake switch (left side of dash) Pkb Pnk Power source control ecu (right side of dash) Red Rh-ig 1 relay Rh-ig fuse 7.5a Right cowl side j/b (right end of dash) Right front corner ultrasonic sensor (right front of vehicle) Right rear center ultrasonic sensor (rear bumper) Right rear corner ultrasonic sensor (rear bumper) Skid control ecu w/ actuator (left rear of engine compt) Sp1 Speedometer Rear View Monitoring Wiring Diagram for Lexus IS 350 2009 List of elements for Rear View Monitoring Wiring Diagram for Lexus IS 350 2009: 85 (on transmission) 2.5l 3.5l A/t A10 A12 A30 A33 Back Backup lamp switch (right side of trans- mission) Bkup Body computer Ca+ Ca1h Ca1l Canh Canl Cb+ Cgnd Combination meter Computer data lines system Cv+ Cv- D12 D13 E49 Engine control module (left front of engine compt) Engine controls system Gateway ecu (right end of dash) Gnd Gtx+ Gtx- Hot at all times Ig1d Ind Input circuit 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 q33 (left rear wheelwell) J1 (left kick panel) J2 (under center console) J21 J23 J34 J50 J51 J74 J75 J80 L10 Left cowl side j/b (left end of dash) Lh-ig 1 relay Lh-ig fuse 10a M/t Micro computer Mpd1 Mpd2 Mpi1 Mpi2 Mpx+ Mpx- Mpx1 Mpx2 Multi-display Navigation circuit Nca Ne+ Ne- P30 Park/ neutral position switch p Parking brake switch (left side of dash) Pkb Pnk Power source control ecu (right side of dash) Red Rev Right cowl side j/b (right end of dash) Seuc Skid control ecu w/ actuator (left rear of engine compt) Sp1 Spd Speedometer Stereo component amplifier (right side of trunk) Television camera (rear of trunk lid)
PASSIVE RESTRAINTS Passive Restraints Wiring Diagram for Lexus IS 350 2009 List of elements for Passive Restraints Wiring Diagram for Lexus IS 350 2009: 35 Belt (under front passenger's seat) D12 D13 Hot at all times Ig1d Inner Inner belt Inner belt assembly J/c q35 (left rear wheelwell) J/c t11 (front passenger's seat) J1 (left kick panel) J11 J13 J4 (right kick panel) Left cowl side j/b (left end of dash) Left front seat buckle switch Left front seat outer belt Lh- ig1 relay Lh-ig fuse 10a P1 (right side of crossmember) Pnk Power source control ecu (right side of dash) Q1 (left "b" pillar) Q2 (left side of trunk) Q7 j/c q7 & u1 (under driver's seat) Rh- ig1 relay Rh-ig fuse 7.5a Right cowl side j/b (right end of dash) Right front seat buckle switch Right front seat outer belt U1 j/c q7 & u1 (under driver's seat) W/ occupant classification system W/ power seat W/o occupant classification system W/o power seat
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 5) for Lexus IS 350 2009 List of elements for Power Distribution Wiring Diagram (1 of 5) for Lexus IS 350 2009: 54 (w/ drl) (w/o drl) A/c comp fuse 7.5a A/f fuse 15a 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 E/g-am fuse 60a E/g-b fuse 60a Electronic power steering system Engine controls system Engine room j/b 1 & engine room r/b 1 (right rear of engine compt) Engine room j/b 2 & 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 From e/g-am fuse (diagram 1 of 5) From e/g-b fuse (diagram 1 of 5) Front controller H-lp cln fuse 30a H-lp upr fuse 15a 20a Head hi relay (w/o drl) Hid type Horn fuse 10a Horn relay 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 To abs 1 fuse (diagram 2 of 5) To fan 2 fuse (diagram 2 of 5) To fr ctrl-am fuse (diagram 1 of 5) To fr ctrl-b fuse (diagram 1 of 5) Turn- haz fuse 15a W/ drl Wash relay Washer fuse 20a Wiper/ washer system Power Distribution Wiring Diagram (2 of 5) for Lexus IS 350 2009 List of elements for Power Distribution Wiring Diagram (2 of 5) for Lexus IS 350 2009: 27 Abs 1 fuse 50a Air conditioning system Anti-lock brakes system Cds fuse 10a Cooling fans system D/c cut fuse 20a Defog fuse 50a Defogger system Dome fuse 10a Engine room j/b 1 & engine room r/b 1 (right rear of engine compt) Fan 2 fuse 40a 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 Interior lights, trunk, tailgate, fuel doors, anti-theft, anti-lock brakes & instrument cluster systems J4 (right kick panel) Lh j/b-am fuse 80a Main fuse 30a Mpx-b fuse 10a Noise filter (gost buster) (engine room r/b 1) Rh j/b-am fuse 80a To a/c fuse (diagram 4 of 5) To ig2 main fuse (diagram 3 of 5) To stop sw (diagram 4 of 5) Power Distribution Wiring Diagram (3 of 5) for Lexus IS 350 2009 List of elements for Power Distribution Wiring Diagram (3 of 5) for Lexus IS 350 2009: 57 A2 (left rear of engine compt) A23 A25 A27 A29 Accd Am1 Am2 Am2 fuse 7.5a Batb Body ecu Cruise control, engine controls, transmissions & anti-lock brakes systems D11 Efi 2 relay Efi fuse 25a Efi main relay Engine controls system Engine controls, cruise control & transmissions systems Engine room j/b 1 & engine room r/b 1 (right rear of engine compt) Engine room j/b 2 & engine room r/b 2 (left side of engine compt) 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 Instrument cluster system J10 J26 J4 (right kick panel) Junction connector a29 & j10 (left kick panel) Junction connector a9 (left side of engine compt) Junction connector j71 (right side of dash) Junction connector j80 (right kick panel) Lh j/b-b fuse 30a Memory & power windows systems P/i-b fuse 60a Pnk Power source control ecu (right side of dash) Power switch Power windows system Red Rh j/b-b fuse 30a Right cowl side j/b (right end of dash) Rr door rh fuse 20a Shift interlock system Ssw1 Ssw2 To fr door lh fuse (diagram 5 of 5) To pwr point relay (diagram 5 of 5) To rh-ig1 relay (diagram 5 of 5) Power Distribution Wiring Diagram (4 of 5) for Lexus IS 350 2009 List of elements for Power Distribution Wiring Diagram (4 of 5) for Lexus IS 350 2009: 72 (left end of dash) left cowl side j/b A/c fuse 7.5a A11 A14 A15 A27 A28 Air conditioning & defogger systems Air conditioning, cruise control, anti-lock brakes, mirrors, defogger, shift interlock, wiper/washer, power tops & warning systems Altb Anti-lock brakes, cruise control, wiper/washer, exterior lights, air conditioning, starting/charging & cooling fans systems Body ecu Computer data lines system D13 D22 D28 D29 Defogger system Ecu- ig lh fuse 10a Electronic power steering system Exterior lights system Exterior lights, anti-lock brakes, cruise control, transmissions, engine controls, shift interlock & starting/charging systems Fr p/ seat lh fuse 30a Fr p/ seat rh fuse 30a Fr s/ htr lh fuse 15a Fr wip fuse 30a From lh j/b-am fuse (diagram 2 of 5) From rh j/b-am fuse (diagram 2 of 5) Fuel opn fuse 10a H-lp lvl fuse 7.5a Headlights system Instrument cluster system J1 (left kick panel) J10 J11 J12 J16 J22 J28 J29 J30 K10 Lh-ig 1 relay Lh-ig 2 relay Lh-ig fuse 10a Memory & seats systems Memory systems Mir htr fuse 15a Navigation & sound systems Navigation system Navigation, exterior lights, cruise control, transmissions, memory, door locks & interior lights systems Obd fuse 7.5a Passive restraints system Pnk Power tops system Psb fuse 30a Rad 3 fuse 10a Red Right cowl side j/b (right end of dash) S/roof fuse 25a Seats & memory systems Seats system Sound & navigation systems Stop sw fuse 7.5a Tail relay Ti & te fuse 20a To pwr point relay (diagram 5 of 5) To right cowl side j/b (diagram 5 of 5) Trunk, tailgate, fuel doors system Tv 1 fuse 10a Wig Wiper/ washer system Power Distribution Wiring Diagram (5 of 5) for Lexus IS 350 2009 List of elements for Power Distribution Wiring Diagram (5 of 5) for Lexus IS 350 2009: 49 Acc Acc fuse 7.5a Acc relay Anti-theft system Body ecu Cig fuse 15a Cigarette lighter 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 l 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) Junction connector p26 (right side of trunk) Left cowl side j/b (left end of dash) Memory & door locks systems Memory systems Navigation & sound systems Navigation, sound, mirrors, memory, instrument cluster, computer data lines & interior lights systems P1 (right side of crossmember) Passive restraint system Pnk Power outlet socket Power windows system 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) Rr door lh fuse 20a Seats system Seats, cruise control, transmissions & navigation systems Security fuse 7.5a
POWER DOOR LOCKS Power Door Locks Wiring Diagram, with Smart Key System (1 of 7) for Lexus IS 350 2009 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (1 of 7) for Lexus IS 350 2009: 53 Acc Acc fuse 7.5a Act+ Act- Actd Altb Batb Body ecu Computer data lines system Cpub D24 Ecu-ig rh fuse 10a Fr door rh fuse 20a Gsw Hot at all times Hot w/ acc relay energized Hot w/ rh-ig 1 relay energized Hrly J/c a33 (right kick panel) J/c q36 (left rear wheelwell) J10 J17 J21 J74 J75 Kul Left front door lock assembly (driver's door) Left rear door lock assembly (left rear door) Lgcy Lock key Lssr Lsw Lswl Lswp Lswr Mpx1 Mpx2 P1 (right side of crossmember) Pnk Power window master switch Pws Q1 (left "b" pillar) Q2 (left side of trunk) Red Right cowl side j/b (right end of dash) Right front door lock assembly (front passenger's door) Right rear door lock assembly (right rear door) Ti & te fuse 20a Tr+ Udl Ul1 Unlock detection Unlock key Power Door Locks Wiring Diagram, with Smart Key System (2 of 7) for Lexus IS 350 2009 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (2 of 7) for Lexus IS 350 2009: 47 A1 (left rear of engine compt) A11 A36 Body ecu Bzr Courtesy D11 D17 Dcty Dome lamp Door Door lock control switch Gnd1 Gnd2 Haz Ill+ Ind Integrated control & panel assembly J/c a15 J/c j27 (left side of dash) J/c j80 (right kick panel) J2 (under center console) J4 (right kick panel) J74 J75 Lcty Left front door courtesy switch (left "b" pillar) Left rear door courtesy switch (left "c" pillar) Lock Luggage door lock assembly Multi- display Overhead j/b (front center of roof) P1 (right side of crossmember) Pcty Q2 (left side of trunk) Rcty Red Right cowl side j/b (right end of dash) Right front door courtesy switch (right "b" pillar) Right rear door courtesy switch (right "c" pillar) Room lamp Security horn (right rear of engine compt) Seuc Un lock W/ navigation W/o navigation Wireless door lock buzzer (inside left front wheelwell) Power Door Locks Wiring Diagram, with Smart Key System (3 of 7) for Lexus IS 350 2009 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (3 of 7) for Lexus IS 350 2009: 48 A12 A29 A30 Bdcy Body ecu Computer data lines system D12 Dome fuse 10a Engine room j/b 1 (right rear of engine compt) Engine room r/b 1 (right rear of engine compt) Foot lamp Gnd Haz Head lp 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) J/c p24 & p25 (right side of trunk) J/c q33 & q34 (left rear wheelwell) J1 (left kick panel) J10 J2 (under center console) L14 Lcty Left cowl side j/b (left end of dash) Left outer rear view mirror Lgcy Lkul Lpsw Luggage compartment door lock cylinder Luggage electrical key switch (center rear of trunk) M15 Main fuse 30a Mpx1 Mpx2 P24 P25 Pnk Q2 (left side of trunk) Q33 Q34 Right outer rear view mirror Sgnd Turn signal flasher (left side of dash) W/ memory W/o memory W/o navigation system Power Door Locks Wiring Diagram, with Smart Key System (4 of 7) for Lexus IS 350 2009 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (4 of 7) for Lexus IS 350 2009: 35 A2 (left rear of engine compt) Air bag sensor assembly center (under center console) B1 (right front of engine compt) Buckle switch Ca1h Ca1l Canh Canl Combination meter Computer data lines system Dbe- 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) Front controller Gateway ecu (right end of dash) Horn (high) (front of radiator) Horn (low) (front of radiator) Horn fuse 10a Horn relay Hot at all times J34 J47 gsw Left front seat inner belt Mpd1 Mpd2 Mpi1 Mpi2 Mpx+ Mpx- Mpx-b fuse 10a Q32 dbe+ Red Skid control ecu w/ actuator (left rear of engine compt) Sp1 Power Door Locks Wiring Diagram, with Smart Key System (5 of 7) for Lexus IS 350 2009 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (5 of 7) for Lexus IS 350 2009: 54 A24 Acc fuse 7.5a Ant Ant1 Ant2 Asel Becu Body ecu Clg Clgb D12 D13 D18 Data Door control receiver (right rear of vehicle) Ecu- ig rh fuse 10a Electrical key antenna (right rear of trunk) Gnd Hot at all times Hot w/ acc relay energized J/c j27 (left side of dash) J/c l11 (front passenger's door) J/c m14 (driver's door) J/c p24 & p25 (right side of trunk) J1 (left kick panel) J15 J18 J24 J29 J4 (right kick panel) Left cowl side j/b (left end of dash) Left front door electrical key oscillator (driver's door) Left front door outside handle Lh-ig 1 relay Lh-ig fuse 10a Nca P1 (right side of crossmember) P2 (right rear of vehicle) P24 P25 Park/ neutral position switch (a/t) (on transmission) Pnk Q1 (left "b" pillar) Red Rh-ig 1 relay Right cowl side j/b (right end of dash) Right front door electrical key oscillator (front passenger's door) Right front door outside handle Rssi Sel Sens Sgt Trg+ Trg- Power Door Locks Wiring Diagram, with Smart Key System (6 of 7) for Lexus IS 350 2009 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (6 of 7) for Lexus IS 350 2009: 57 (right side of trunk) certification ecu (under center console) console electrical key oscillator +b1 Acc Agnd Asel Cg1b Cg2b Cg5b Cg6b Cg7b Cg8b Clg1 Clg2 Clg3 Clg4 Clg5 Clg6 Clg7 Clg8 Clgb Code Com Computer data lines system D11 Gnd Inds Indw Inside luggage room electrical key oscillator (left side of trunk) J/c j71 (right side of dash) J/c j80 (right kick panel) J/c p26 (right side of trunk) J4 (right kick panel) Lin Mpx1 Mpx2 Outside luggage room electrical key oscillator (right side of trunk) P1 (right side of crossmember) Pnk Power switch Rc0 Rda Rear seat electrical key oscillator (left rear seat) Red Right cowl side j/b (right end of dash) Rssi Sel1 Sel2 Sen1 Sen2 Ss1 Ss2 Swil Tsw1 Tsw2 Txct Vc5 Power Door Locks Wiring Diagram, with Smart Key System (7 of 7) for Lexus IS 350 2009 List of elements for Power Door Locks Wiring Diagram, with Smart Key System (7 of 7) for Lexus IS 350 2009: 74 (left kick panel) j/c a29 & j10 (or red) A/t A27 A29 Accd Alt Am1 Am2 Am2 fuse 7.5a Canh Canl Computer data lines system Ctsw D11 Efii Efio Engine control module (left front of engine compt) Engine room r/b 2 (left side of engine compt) Generator Gnd Gnd2 Hot at all times Hot w/ ig2 relay energized Id code box (center of dash) Ig1d Ig2 Ig2d Ige Ign fuse 10a Imi Imo Inds Indw Instrument cluster system J/c j71 (right side of dash) J/c j80 (right kick panel) J10 J2 (under center console) J4 (right kick panel) Left cowl side j/b (left end of dash) Lin Lin1 Mpx1 Mpx2 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 Sgnd Shift lock control ecu (under center console) Sksw Slp Slp1 Slr+ Spd Ssw1 Ssw2 Sta Star Starting/ charging system Starting/charging system Steering lock ecu (steering column) Stop lamp switch (left side of dash) Stop sw fuse 7.5a Stp Str lock fuse 25a Str1 Str2 Stsw Swil Tach Power Door Locks Wiring Diagram, without Smart Key System (1 of 3) for Lexus IS 350 2009 List of elements for Power Door Locks Wiring Diagram, without Smart Key System (1 of 3) for Lexus IS 350 2009: 50 (left end of dash) Acc Acc fuse 7.5a Act+ Act- Actd Altb Batb Body ecu Computer data lines system Cpub D18 D24 Detection unlock Ecu ig rh fuse 10a Fr door rh fuse 20a Hot at all times Hot w/ rh ig1 relay energized J/c m14 (driver's door) J10 J17 J21 J29 J75 Key lock Key unlock Kul Left cowl side j/b Left front door lock assembly (driver's door) Left rear door lock assembly (left rear door) Lssr Lsw Lswl Lswp Lswr Mpx1 Mpx2 P1 (right side of crossmember) Power window master switch Pws Q1 (left "b" pillar) Q2 (left side of trunk) Red Right cowl side j/b (right end of dash) Right front door lock assembly (front passenger's door) Right rear door lock assembly (right rear door) Ti & te fuse 20a Udl Ul1 Unlock detection Power Door Locks Wiring Diagram, without Smart Key System (2 of 3) for Lexus IS 350 2009 List of elements for Power Door Locks Wiring Diagram, without Smart Key System (2 of 3) for Lexus IS 350 2009: 40 A11 A24 Acc fuse 7.5a Body ecu Ca1h Ca1l Combination meter Computer data lines system D17 Dcty Door courtesy switch (left front) (left "b" pillar) Door courtesy switch (left rear) (left "c" pillar) Door courtesy switch (right front) (right "b" pillar) Door courtesy switch (right rear) (right "c" pillar) Door lock control switch Engine room r/b 1 (right rear of engine compt) Gateway ecu (right end of dash) Gnd1 Gnd2 Gsw Hot at all times J/c j27 (left side of dash) J2 (under center console) J34 J4 (right kick panel) J75 Lcty Lock Mpd1 Mpd2 Mpi1 Mpi2 Mpx+ Mpx- P1 (right side of crossmember) Pcty Rcty Red Right cowl side j/b (right end of dash) Unlock Power Door Locks Wiring Diagram, without Smart Key System (3 of 3) for Lexus IS 350 2009 List of elements for Power Door Locks Wiring Diagram, without Smart Key System (3 of 3) for Lexus IS 350 2009: 39 (or red) (right side of dash) power source control ecu A30 Air bag sensor assembly center (under center console) Alt Body ecu Buckle switch Canh Canl Computer data lines system D12 D13 Dbe- Engine control module (left front of engine compt) Generator Gnd Gsw Hot at all times Ig1d J/c j2, j4, j6 & j7 (left kick panel) J/c j81 & j84 (right kick panel) j84 J1 (left kick panel) J2 (under center console) J47 canl J81 Left cowl side j/b (left end of dash) Left front seat inner belt Lh-ig 1 relay Lh-ig fuse 10a Mpx1 Mpx2 Park/neutral position switch (a/t) (on transmission) Pnk Q32 dbe+ Red Right cowl side j/b (right end of dash) Sgnd Skid control ecu w/ actuator (left rear of engine compt) Sp1
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Lexus IS 350 2009 List of elements for Electrochromic Mirror Wiring Diagram for Lexus IS 350 2009: 36 (right kick panel) (right side of dash) +b1 +b2 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 rear view mirror J/c a29 & j10 (left kick panel) J/c j70 (right side of dash) J/c j71 J/c j80 J10 J2 (under center console) L10 Left cowl side j/b (left end of dash) Left outer mirror control ecu Left outer rear view mirror M10 Overhead j/b (front center of roof) Pnk Red Right cowl side j/b (right end of dash) Right outer mirror control ecu Right outer rear view mirror Power Mirrors Wiring Diagram for Lexus IS 350 2009 List of elements for Power Mirrors Wiring Diagram for Lexus IS 350 2009: 34 Acc fuse 7.5a D27 Defogger system Down Exterior lights system Fold Foot lamp Hot in acc or on Ill+ Ill- Interior lights system J/c j27 (left side of dash) J/c m14 (driver's door) Left Left outer rear view mirror Mirror heater Mlh Mlp+ Mlp- Mlv Mrh Mrv Operation switches Outer mirror switch Pnk Q1 (left "b" pillar) Red Right Right cowl side j/b (right end of dash) Right outer rear view mirror Select switches Turn light Unfold W/ retractor
POWER SEATS Climate Control Seats Wiring Diagram (1 of 2) for Lexus IS 350 2009 List of elements for Climate Control Seats Wiring Diagram (1 of 2) for Lexus IS 350 2009: 44 A/c fuse 7.5a A27 Bllh Blrh Ctb D13 D20 D29 Exterior lights system Fr s/ htr lh fuse 15a Gnd Hot at all times Hot w/ lh-ig2 relay energized 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) u1 J/c u11 (under driver's seat) J1 (left kick panel) J30 Left cowl side j/b (left end of dash) Left seat heater Lh ecu-ig fuse 10a Lh-ig2 relay Panel fuse 7.5a Pnk Q1 (left "b" pillar) Red Rel1 Seat back Seat climate control blower (left front seat back) (driver's seat back) Seat climate control blower (left front seat cushion) (driver's seat cushion) 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 350 2009 List of elements for Climate Control Seats Wiring Diagram (2 of 2) for Lexus IS 350 2009: 35 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 Lout P1 (right side of crossmember) Pnk Power source control ecu (right side of dash) Red Rh-ig fuse 7.5a Right cowl side j/b (right end of dash) Right seat heater Rout S5-4 Seat back Seat climate control blower (right front seat back) (front passenger's seat back) Seat climate control blower (right front seat cushion) (front passenger's seat cushion) Seat cushion Seat heater control Sg-4 Sign Sw4 Sw5 Swr Thermistor Thr Driver Power Seat Wiring Diagram for Lexus IS 350 2009 List of elements for Driver Power Seat Wiring Diagram for Lexus IS 350 2009: 22 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) Power seat motor (left front seat front vertical control) (under driver's seat) Power seat motor (left front seat lumbar support control) (in driver's seat) Power seat motor (left front seat rear vertical control) (in driver's seat) Power seat motor (left front seat reclining control) (in driver's seat) Power seat motor (left front seat slide control) (in driver's seat) Power seat switch (front left front Power seat switch (front left seat lumbar support control) Q1 (left "b" pillar) Rear Rear vertical Reclining Red Seat) Slide Heated Seats Wiring Diagram for Lexus IS 350 2009 List of elements for Heated Seats Wiring Diagram for Lexus IS 350 2009: 39 D13 D20 Exterior lights system Fr s/ htr lh fuse 15a Fr s/ htr rh fuse 15a Hot at all times Hot w/ lh-ig2 relay energized Hot w/ rh-ig1 relay energized 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) u1 J/c t11 (front passenger's seat) J/c u11 (under driver's seat) J1 (left kick panel) J30 Left cowl side j/b (left end of dash) Left seat heater P1 (right side of crossmember) Panel fuse 7.5a Pnk Q1 (left "b" pillar) Red Rel1 Rh-ig fuse 7.5a Right cowl side j/b (right end of dash) Right seat heater Seat back Seat cushion Seat heater control Seat heater switch Swl Swr Tail relay Thermistor Thl Thr Passenger Power Seat Wiring Diagram for Lexus IS 350 2009 List of elements for Passenger Power Seat Wiring Diagram for Lexus IS 350 2009: 21 Down Fr p seat rh fuse 30a Front Front vertical Hot at all times J/c t11 (front passenger's seat) J29 P1 (right side of crossmember) Power seat motor (right front seat front vertical control) (under front passenger's seat) Power seat motor (right front seat lumbar support control) (front passenger's seat) Power seat motor (right front seat rear vertical control) (under front passenger's seat) Power seat motor (right front seat reclining control) (front passenger's seat) Power seat motor (right front seat slide control) (front passenger's seat) Power seat switch (front right seat lumbar support control) Power seat switch (front right seat) Rear Rear vertical Reclining Red Right cowl side j/b (right end of dash) Slide
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Lexus IS 350 2009 List of elements for Power Top/Sunroof Wiring Diagram for Lexus IS 350 2009: 69 (right kick panel) j4 A1 (left rear of engine compt) j/c a15 A10 A36 Ant Asel Body ecu Bzr Certification ecu (right side of trunk) Chk Cls Combination meter Computer data lines system D11 D22 D29 Data Dcty Door control receiver (right rear of vehicle) Down Dwn Ecu-ig lh fuse 10a Electrical key antenna (right rear of trunk) Engine room r/b 1 (right rear of engine compt) Gauge fuse 7.5a Gnd Hot at all times Hot w/ ig2 relay energized Hot w/ lh-ig2 relay energized Ig+ Ig2 or dome +b Ig3 Input circuit 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 kick panel) J1 (left kick panel) J21 J34 J75 Kul Left cowl side j/b (left end of dash) Left front door courtesy switch (left "b" pillar) Left front door lock assembly (driver's door) Master ind Micro computer Micro computer (sub) Mpx Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Multi information display Opn Overhead j/b (front center of roof) P2 (right rear of vehicle) Power window master switch Q1 (near left "b" pillar) Rco Rda Red Right cowl side j/b (right end of dash) Rssi S/roof fuse 25a Sliding roof control ecu (front center of roof) Sliding roof switches Wireless door lock buzzer (inside left front wheelwell)
POWER WINDOWS Power Windows Wiring Diagram (1 of 2) for Lexus IS 350 2009 List of elements for Power Windows Wiring Diagram (1 of 2) for Lexus IS 350 2009: 48 Ant Asel Auto Body ecu Certification ecu (right side of trunk) Computer data lines system Cpub D18 Data Door control receiver (right rear of vehicle) Dwn1 Electrical key antenna (right rear of trunk) Gnd Hot at all times J/c m14 (driver's door) J29 Key lock Key unlock Kul Led Left cowl side j/b (left end of dash) Left front door lock assembly (driver's door) Left front power window regulator motor (driver's door) Left rear power window regulator motor (left rear door) Left rear power window switch Lh fr door fuse 20a Lh rr door fuse 20a Lin Lin1 Lin2 Lsw Mpx1 Mpx1 q3 Mpx2 Mpx2 a30 P2 (right rear of vehicle) Pnk Power window master switch Q1 (left "b" pillar) Q2 (left side of trunk) Rco Rda Red Rssi Sig Up1 W/ memory W/o memory Power Windows Wiring Diagram (2 of 2) for Lexus IS 350 2009 List of elements for Power Windows Wiring Diagram (2 of 2) for Lexus IS 350 2009: 41 (right rear door) A1 (left rear of engine compt) A24 A36 Auto Body ecu Bzr Computer data lines system D14 Dcty Dwn1 Engine room r/b 1 (right rear of engine compt) Hot at all times Ig1d J/c a15 J/c j27 (left side of dash) J/c q36 (left rear wheelwell) J21 J4 (right kick panel) J75 Led Left front door courtesy switch (left "b" pillar) Lin Mpx-b fuse 10a Mpx1 Mpx2 P1 (right side of crossmember) Pnk Power source control ecu (right side of dash) Red Rh ecu-ig fuse 10a Rh fr door fuse 20a Rh ig1 relay Rh rr door fuse 20a Right cowl side j/b (right end of dash) Right front power window regulator motor (front passenger's door) Right front power window switch Right rear power window regulator motor Right rear power window switch Up1 Wireless door lock buzzer (inside left front wheelwell) Rear Window Sun Shade Wiring Diagram for Lexus IS 350 2009 List of elements for Rear Window Sun Shade Wiring Diagram for Lexus IS 350 2009: 46 2.5l 3.5l A/t A24 Backup lamp switch (right side of transmission) Bkup Body ecu Computer data lines system D12 D13 D18 E49 Engine room r/b 1 (right rear of engine compt) Gnd Hot at all times Ig1d Interior lights system J/c e2 & e49 (left side of engine compt) J/c j27 (left side of dash) J/c j70 (right side of dash) J/c q33 (left rear wheelwell) J/c q35 (left rear wheelwell) J/c q57 (left side of trunk) J1 (left kick panel) J2 (under center console) J23 Left cowl side j/b (left end of dash) Lh-ig fuse 10a Lh-ig1 relay Limit switch M/t Mpx-b fuse 10a Mpx1 Mpx2 Mpxb Op02 Park/ neutral position switch (on transmission) Pnk Power source control ecu (right side of dash) Q2 (left side of trunk) Rear sunshade relay (right rear of vehicle) Rear sunshade switch Red Rev Right cowl side j/b (right end of dash) Sgnd
RADIO Radio Wiring Diagram (1 of 2) for Lexus IS 350 2009 List of elements for Radio Wiring Diagram (1 of 2) for Lexus IS 350 2009: 85 (or red) (right side of trunk) p3 +b2 +tw -tw Acc Acc fuse 7.5a Ant Antenna Antenna amplifier (center of dash) Atx+ Atx- Audio system Center speaker Ctr+ Ctr- D22 D27 Dvd Engine room r/b 1 (right rear of engine compt) Fl+ Fl- Fr+ Fr- Gnd Gnd2 Hot at all times Hot w/ acc relay energized Ii1+ Ii1- J/c j27 (left side of dash) J23 J3 (under center console) J66 Left front door woofer speaker Left rear door midrange speaker Left rear door tweeter Left satellite speaker Ml+ Ml- Mr+ Mr- Mute Navigation system Nca P21 P27 P28 P29 P30 Pnk Rad 1 fuse 30a Rad 2 fuse 30a Rad 3 fuse 10a Radio receiver assembly Red Right cowl side j/b (right end of dash) Right rear door midrange speaker Right rear door tweeter Right satellite speaker Rl+ Rl- Rr+ Rr- Sl+ Sl- Sld Spd Sr+ Sr- Stereo component amplifier (right side of trunk) Subwoofer speaker Tx+ Tx- W/ 13 speaker audio system W/ 14 speaker W/ dvd Wf1+ Wf1- Wf2+ Wf2- Wfl+ Wfl- Wfr+ Wfr- Radio Wiring Diagram (2 of 2) for Lexus IS 350 2009 List of elements for Radio Wiring Diagram (2 of 2) for Lexus IS 350 2009: 73 (under center console) j3 (w/o navigation) integrated control & panel assembly +tw -tw Ali Alo Ari Aro Asgn Audio system Auxi Auxo Ca1h Ca1l Computer data lines system Gateway ecu (right end of dash) Gnd Gtx+ Gtx- J24 J3 (under center console) J61 J62 J63 J65 Left front door midrange Left front door tweeter Left rear door midrange speaker Left rear door tweeter Left rear door woofer speaker Left switch Mode Mpd1 Mpd2 Mpi1 Mpi2 Navigation system Nca Ntsc Off hk On hk Pnk Radio receiver assembly Red Right front door midrange speaker Right front door tweeter Right front door woofer speaker Right rear door midrange speaker Right rear door tweeter Right rear door woofer speaker Right switch Seek+ Seek- Sld Spiral cable (under steering wheel) Steering pad switch Stereo jack adapter Sw1 Sw2 Swg Twl+ Twl- Tx+ Tx- Txm+ Txm- Voice Vol+ Vol- W/ 13 speaker audio system W/ 14 speaker W/ dvd W/o dvd
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Lexus IS 350 2009 List of elements for Shift Interlock Wiring Diagram for Lexus IS 350 2009: 48 +bs A/t A12 A2 (left rear of engine compt) A29 Abs 2 fuse 30a 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 (right rear of engine compt) Fsw+ Hot at all times Ig1d J/c a29 & j10 (left kick panel) J/c j70 (right side of dash) J1 (left kick panel) J10 Junction connector a20 (left kick panel) Junction connector a9 (left side of engine compt) Junction connector j70 (right side of dash) L10 Left cowl side j/b (left end of dash) Left ig1 relay Left ig2 relay Lh-ig fuse 10a M/t Mpx1 Mpx2 P position detection switch Park/ neutral position switch (on transmission) Parking brake switch (left side of dash) 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 Skid control ecu w/ actuator (left rear of engine compt) Stop lamp switch (left side of dash) Stop sw fuse 7.5a Stp Steering Column Wiring Diagram for Lexus IS 350 2009 List of elements for Steering Column Wiring Diagram for Lexus IS 350 2009: 23 (under center console) j2 25a A27 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 Junction connector j71 (right side of dash) 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 ecu (steering column) Str lock fuse
STARTING/CHARGING Charging Wiring Diagram for Lexus IS 350 2009 List of elements for Charging Wiring Diagram for Lexus IS 350 2009: 47 (or red) (right side of dash) power source control ecu +ig A10 A24 A25 Alt Alt fuse 150a Alt-s fuse 7.5a Battery Ca1h Ca1l Canh Canl Charge indicator Combination meter Computer data lines system D12 D13 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) Gateway ecu (right end of dash) Gauge fuse 7.5a Generator Hot at all times Hot w/ ig2 relay energized Ig1d Input circuit J/c j27 (left side of dash) J1 (left kick panel) J34 J4 (right kick panel) Junction connector a8 Left cowl side j/b (left end of dash) Lh- ig1 relay Lh-ig fuse 10a Micro computer Mpi1 Mpi2 Mpx+ Mpx- Mpx-b fuse 10a Pnk Right cowl side j/b (right end of dash) Starter Starting Wiring Diagram for Lexus IS 350 2009 List of elements for Starting Wiring Diagram for Lexus IS 350 2009: 31 A2 (left rear of engine compt) A29 Accr Battery Clutch start switch (m/t) (left side of dash) Ctsw 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) Ig2 relay Ig2d J/c a29 & j10 (left kick panel) J10 J4 (right kick panel) Junction connector a7 & a8 Ksw Park/neutral position switch (a/t) (on transmission) Power distribution system Power source control ecu (right side of dash) Red Sksw St cut relay Sta Star Starter Starter fuse 30a Starter relay Str1 Str2 Stsw
SUPPLEMENTAL RESTRAINTS Pre-Collision Wiring Diagram for Lexus IS 350 2009 List of elements for Pre-Collision Wiring Diagram for Lexus IS 350 2009: 46 (left rear wheelwell) j/c q36 A10 A25 Can h Can l Combination meter Computer data lines system D14 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 J/c j27 (left side of dash) J16 J34 J4 (right kick panel) Left cowl side j/b (left end of dash) Left front seat outer belt motor Lrdd Lrrd Micro computer Millimeter wave radar sensor (front of vehicle) Mol+ Mol- Mor+ Mor- Mpx+ Mpx- Pcs ind Pgnd Pnk Psb fuse 30a Q2 (left side of trunk) Q58 Q59 Red Right cowl side j/b (right end of dash) Right front seat outer belt motor (right "b" pillar) Seat belt control ecu (left side of trunk) Skid control ecu w/ actuator (left rear of engine compt) Supplemental Restraint Wiring Diagram (1 of 3) for Lexus IS 350 2009 List of elements for Supplemental Restraint Wiring Diagram (1 of 3) for Lexus IS 350 2009: 87 (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 A23 A25 Air bag sensor assembly center (under center console) Air bag sensor seat position Bbl+ Bbl- Bcd+ Bcd- Bcl+ Bcl- Bcp+ Bcp- Body ecu Buckle switch Canh Canl Case gnd Computer data lines system D12 D14 D2+ D2- Dbe+ Dbe- Dk+ Dk- Dsp+ Dsp- Ecu-ig rh fuse 10a Fsp+ Fsp- Gauge fuse 7.5a Gsw Hot at all times Hot w/ ig2 relay energized Icd+ Icd- Icp+ Icp- Ig1d Ig2 Ign fuse 10a J21 J26 J4 (right kick panel) J47 J75 Left curtain shield air bag squib (left roof rail) Left front pretensioner (left "b" pillar) Left front seat inner belt Left front side air bag sensor (left "b" pillar) Left front side air bag squib Left rear pretensioner (left "c" pillar) Left rear side air bag sensor (left "c" pillar) Mpx1 Mpx2 P14 P2+ P2- Pd+ Pd- Pdr+ Pdr- Pk+ Pk- Pnk Pp+ Pp- Ppr+ Ppr- Q32 Red Rh-ig1 relay Right cowl side j/b (right end of dash) Sfd+ Sfd- Sfp+ Sfp- Sil Supplemental Restraint Wiring Diagram (2 of 3) for Lexus IS 350 2009 List of elements for Supplemental Restraint Wiring Diagram (2 of 3) for Lexus IS 350 2009: 52 (left front of engine compt) engine control module (left side of dash) driver's side knee air bag squib (left side of dash) j/c j27 (left side of radiator) left front air bag sensor (right end of dash) gateway ecu (right side of crossmember) p1 (right side of dash) air bag squib (front passenger's air bag assembly) (right side of dash) front passenger's side knee air bag squib (right side of radiator) right front air bag sensor +sl +sr -sl -sr Bbr+ Bbr- Bcr+ Bcr- Buckle switch Ca1h Ca1l Canh Canl Clock assembly Computer data lines system Gbt Ig+ Integration control & panel assembly pbew Mpd1 Mpd2 Mpi1 Mpi2 Occupant classification ecu Occupant classification sensor Pbew Pnk Power seat Red Right curtain shield air bag squib (right roof rail) Right front pretensioner (right "b" pillar) Right front seat inner belt (w/ occupant classification system & w/o power seat) (under front passenger's seat) Right front side air bag sensor (right "b" pillar) Right front side air bag squib Right rear pretensioner (right "c" pillar) Right rear side air bag sensor (right "c" pillar) Seat belt tension sensor (base of right "b" pillar) Spiral cable Steering wheel pad air bag squib Vbt W/ navigation system W/ occupant classification system & W/ occupant classification system & w/o power seat W/o navigation system Supplemental Restraint Wiring Diagram (3 of 3) for Lexus IS 350 2009 List of elements for Supplemental Restraint Wiring Diagram (3 of 3) for Lexus IS 350 2009: 52 (left rear of engine compt) skid control ecu w/ actuator +ig Anti-lock brakes system Bgnd Bsw Buckle switch Canh Canl Combination meter Computer data lines system D12 D13 D29 Dia Distance control ecu (left side 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 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 (w/ occupant classification system & power seat) (under front passenger's seat) Occupant classification sensor (under front passenger's seat) Of dash) P1 (right side of crossmember) Pblt Pnk Red Right front seat inner belt (under front passenger's seat) Seat belt tension sensor (base of right "b" pillar) Srs ind Steering sensor (on steering column) Vbt Vps Vsc warning buzzer (left side of dash) Yaw rate sensor (under center console)
TRANSMISSION 4WD Wiring Diagram for Lexus IS 350 2009 List of elements for 4WD Wiring Diagram for Lexus IS 350 2009: 48 (behind right kick panel) j/c a33 & j80 (right end of dash) right cowl panel j/b (right kick panel) j4 4wd control ecu (right kick panel) A10 A24 A25 A33 Canh Canl Circuit Combination meter Computer data lines system D14 Dome+b E54 Ecu-ig rh fuse 10a Electronically controlled transmission solenoid (on transmission) Engine room r/b 1 (right rear of engine compt) Free Gauge fuse 7.5a Gnd Hot at all times Hot w/ ig 2 relay energized Ig+ Ig1 Ig1d Ind master Ind slip Input circuit J/c j27 (left side of dash) J34 J4 (right kick panel) J80 Micro computer Mpx+ Mpx- Mpx-b fuse 10a Pnk Power source control ecu (right side of dash) Red Rh ig1 relay Right cowl side j/b (right end of dash) Skid control ecu w/ actuator (left rear of engine compt) Slc+ Slc- Sp1 Speedometer A/T Wiring Diagram (1 of 3) for Lexus IS 350 2009 List of elements for A/T Wiring Diagram (1 of 3) for Lexus IS 350 2009: 62 (left side of engine compt) +b1 A10 A2 (left rear of engine compt) A24 A25 Accelerator position sensor (left side of dash) 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 compartment) 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 (j/c e1: left side of engine compt) J/c a7 & a8 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) 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 Vcp2 Vcpa Vpa Vpa2 A/T Wiring Diagram (2 of 3) for Lexus IS 350 2009 List of elements for A/T Wiring Diagram (2 of 3) for Lexus IS 350 2009: 61 (left front of engine compt) engine control module (left rear of engine compt) skid control ecu w/ actuator (left side of engine compt) j/c e2 (right end of dash) gateway ecu +bm A10 A29 A33 Ca1h Ca1l Canh Canl Combination meter Computer data lines system E01 E02 E03 E1 (left rear of engine) E2 (right rear of engine) E2g Ect pwr ind Ect snow ind Engine room r/b 1 (right rear of engine compt) Eta Etha Ethw Ge01 Hot at all times Ig 2 or dome+3 Ig+ Input circuit J/c a10 & e1 (j/c e1: left side of engine compt) J/c a29 & j10 (left kick panel) J/c a33 & j80 (behind right kick panel) J10 J34 J4 (right kick panel) J80 Mass air flow meter (right side of engine compt) Me01 Micro computer Mpd1 Mpd2 Mpi1 Mpi2 Mpx+ Mpx- Mpx-b fuse 10a Nca P tachometer Pnk Red Right cowl panel j/b (right end of dash) Sp1 Speedometer Tha Throttle body assembly Thw Vcta Vta1 Vta2 A/T Wiring Diagram (3 of 3) for Lexus IS 350 2009 List of elements for A/T Wiring Diagram (3 of 3) for Lexus IS 350 2009: 50 (left rear 0f engine) e1 (left side of engine compt) j/c e1 (rear of engine) engine coolant temperature sensor 4wd circuit A30 Body ecu Computer data lines system D13 E47 E54 Electronically controlled transmission pattern select switch 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) Pnk Pwr Red Right cowl side j/b (right end of dash) Sl1+ Sl1+ red Sl1- Sl2+ Sl2- Slc red 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 350 2009 List of elements for Trunk & Fuel Door Release Wiring Diagram for Lexus IS 350 2009: 51 (right side of dash) j/c j71 A24 A28 A30 Becu Body ecu Computer data lines system Courtesy D11 D17 D18 Door lock assembly (luggage) Engine room r/b 1 (right rear of engine compt) Fuel lid Fuel lid opener motor (left rear of vehicle) Fuel opn fuse 10a Gnd Gnd1 Gnd2 Hot at all times Interior lights system J/c j27 (left side of dash) J/c j80 (right kick panel) J/c q36 (left rear wheelwell) J1 (left kick panel) J2 (under center console) J21 J4 (right kick panel) J74 J75 Left cowl side j/b (left end of dash) Lgcy Lkul Lpsw Luggage Luggage compartment door lock cylinder Luggage compartment door opener switch Luggage compartment door opener switch (main) Luggage electrical key switch (center rear of trunk) Mpx-b fuse 10a Mpx1 Mpx2 Mpxb Pnk Q2 (left side of trunk) Red Right cowl side j/b (right end of dash) Sgnd Tkul Tr+ Tsw
WARNING SYSTEMS Seat Belt Warning Wiring Diagram for Lexus IS 350 2009 List of elements for Seat Belt Warning Wiring Diagram for Lexus IS 350 2009: 93 (left "b" pillar) left front door courtesy switch (left kick panel) j1 (right side of crossmember) (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 A27 Air bag sensor assembly center (under center console) Bgnd Body ecu Bsw Buckle switch Ca1h Ca1l Canh Canl Clock assembly Combination meter Computer data lines system D12 D14 Dbe+ Dbe- Dcty 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 Fsp+ Fsp- Fsr+ Fsr- Gateway ecu (right end of dash) Gauge fuse 7.5a Gps Headlamp swivel ecu (left kick panel) Hot at all times Hot w/ ig2 relay energized Ig+ Ig1d Ig2 or dome+b Input circuit Integrated control & panel assembly J/c j27 (left side of dash) J/c t11 (front passenger's seat) J21 J34 J35 J4 (right kick panel) J47 J58 J75 Left cowl side j/b (left end of dash) Left front seat inner belt Micro computer Mpi1 Mpi2 Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Occupant classification ecu Occupant classification ecu (w/ occupant classification system & power seat) (under front passenger's seat) Occupant classification sensor Occupant detection sensor P/sb P14 Passive restraint system Pbew Pblt Pnk Q32 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) Right front seat inner belt assembly Skid control ecu w/ actuator (left rear of engine compt) Sp1 T18 Tire pressure warning ecu (if equipped) (center of dash) Vps W/ navigation W/ occupant classification system & power seat W/o navigation W/o occupant classification system & power seat Tire Pressure Monitoring Wiring Diagram for Lexus IS 350 2009 List of elements for Tire Pressure Monitoring Wiring Diagram for Lexus IS 350 2009: 63 (right side of dash) power source control ecu +ig A/c amplifier (center of dash) A10 A24 A25 A27 Anfr Anrl Ant2 Ant3 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) Gateway ecu (right end of dash) Gauge fuse 7.5a Gnd Gtx+ Gtx- Headlamp swivel ecu (left kick panel) Hot at all times Hot w/ ig2 relay energized Idsw 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 Left cowl side j/b (left end of dash) Lh-ig2 relay Lsel Lsft Master indicator Micro computer Mpi1 Mpi2 Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Pnk Right cowl side j/b (right end of dash) Rsel Satellite switch Set Skid control ecu w/ actuator (left rear of engine compt) Sp1 Tire pressure indicator Tire pressure warning antenna (left rear) (left rear wheelwell) Tire pressure warning antenna (right front) (right front wheelwell) Tire pressure warning ecu (center of dash)
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Lexus IS 350 2009 List of elements for Front Wiper/Washer Wiring Diagram for Lexus IS 350 2009: 83 (left end of dash) left cowl side j/b (left kick panel) j1 A1 (left rear of engine j/c a15 A10 A2 (left rear of engine compt) A24 A25 A30 Auto Body ecu Circuit input Combination meter Compt) Computer data lines system D11 D12 D13 D14 D29 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) Et ill+ 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-ig 1 relay energized Ig+ Ig1d Ig2 Int Int off 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 kick panel) J1 (left kick panel) J2 (under center console) J26 J34 J4 (right kick panel) Left cowl side j/b (left end of dash) Lh-ig 2 relay Light control rheostat Low Micro computer Mist Mpx Mpx+ Mpx- Mpx-b fuse 10a Mpx1 Mpx2 Off Overhead j/b (w/ auto wiper) (front center of roof) Pnk Power source control ecu (right side of dash) Rain sensor Rh-ig 1 relay Right cowl side j/b (right end of dash) S/m S/s Sig Sw 5v 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 350 2009 List of elements for Headlamp Washer Wiring Diagram for Lexus IS 350 2009: 59 (left end of dash) left cowl side j/b (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) A33 A36 Auto Body ecu Computer data lines system D12 D13 D14 Ecu-ig rh fuse 10a Engine room j/b 1 (right rear of engine compt) 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- lamp relay Headlamp cleaner control relay (below left headlight) Headlamp cleaner motor (below left headlight) Headlamp cleaner switch 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 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 Left cowl side j/b (left end of dash) Lh ig fuse 10a Lh- ig 1 relay Light control switch 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
