Diagram sections — 28 (45 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Manual A/C Wiring Diagram (1 of 2) for Scion tC Spec 2007 List of elements for Manual A/C Wiring Diagram (1 of 2) for Scion tC Spec 2007: 47 (behind right side of dash) ih A/c control assembly A/c thermistor 1 (behind right side of dash) Ac1 Act Air inlet damper servo motor (behind right side of dash) Air mix damper servo motor (behind center of dash) Air vent mode damper servo motor (behind center of dash) Ambient temperature sensor (behind grille) Amc Amh Aod Aof B30 Blc Blower motor (lower right side of dash) Blower motor control (behind center of dash) E17 Ecu-b fuse 10a Engine room r/b (left side of engine compt) Frhr Frs Gauge fuse 10a Gnd Hot at all times Hot in on or start Htr fuse 40a Htr relay If (behind left side of dash) Ih (behind right side of dash) Instrument panel j/b (behind left side of dash) J/c j9 (behind right side of dash) Met ig2 fuse 10a Mgc Pnk Prs Rec Red S5-tp S5-tpm Sg-tam Sg-te Sg-tp Sg-tpm Spd Tam Tpm Manual A/C Wiring Diagram (2 of 2) for Scion tC Spec 2007 List of elements for Manual A/C Wiring Diagram (2 of 2) for Scion tC Spec 2007: 37 (left front corner of engine compt) ec A/c compressor (right front of engine compt) A/c condenser fan motor (front of engine compt) A/c fuse 10a Ac1 Act Anti-lock brakes system B24 B29 Cds fuse 30a Circuit power Combination meter Diode (fan) (behind left end of dash) Ecu-ig fuse 7.5a Ed (left rear of engine) Engine control module (behind right side of dash) Engine coolant temperature sensor (rear of engine) Engine room r/b (left side of engine compt) Engine room r/b 2 (left side of engine compt) Fan relay 1 Fan relay 2 Fan relay 3 Fanh Hot at all times Hot in on or start Instrument panel j/b (behind left side of dash) J/c j1 & j2 (behind left end of dash) J/c j4 & j5 (behind left kick panel) J/c j7 (behind right side of dash) Mg/c relay Pnk Pressure switch (left front of engine compt) Radiator fan motor (left front of engine compt) Rdi fuse 30a Red Speedometer Thw
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Scion tC Spec 2007 List of elements for Anti-lock Brakes Wiring Diagram for Scion tC Spec 2007: 60 (behind right side of dash) j/c j7 (on brake fluid reservoir) brake fluid level warning switch +bm +bs A/t Abs 1 fuse 50a Abs 2 fuse 40a Abs ind B12 B18 B21 B22 B23 B24 B26 Brake ind Brl Combination meter D/g D12 Data link connector 3 (under lower left end of dash) Ea (right front of engine compt) Eb (right front of engine compt) Ecu-ig fuse 7.5a Ed (left rear of engine) Engine room r/b (left side of engine compt) Fl+ Fl- Fr+ Fr- Gauge fuse 10a Gnd1 Gnd2 Hot at all times Hot in on or start Ig1 Instrument panel j/b (behind left side of dash) J/c j4 & j5 (behind left kick panel) Left front speed sensor (mounted on left front wheel hub) Left rear speed sensor (mounted on left rear wheel hub) Met ig2 fuse 10a Park/neutral position switch (a/t) (left rear of transmission) Parking brake switch (base of park brake lever) Pkb Pnk Red Right front speed sensor (mounted on right front wheel hub) Right rear speed sensor (mounted on right rear wheel hub) Rl+ Rl- Rr+ Rr- S15 Sil Skid control ecu w/ actuator (right front of engine compt) Sp1 Speedometer Stop fuse 10a Stop lamp switch (on bracket, above brake pedal) Stp
ANTI-THEFT Anti-theft Wiring Diagram for Scion tC Spec 2007 List of elements for Anti-theft Wiring Diagram for Scion tC Spec 2007: 52 (in left ``b" pillar) driver's side door courtesy switch A j1 A/c control assembly A21 Agnd Ant1 Ant2 B30 C15 Code Cty Data link connector (dlc) 3 (under lower left end of dash) E j2 E21 E23 E26 Ecu-b fuse 10a Ee (rear of engine) Efii Efio Engine control module (behind right side of dash) Engine room r/b (left side of engine compt) Gnd H12 Hot at all times Hot in on or start If (behind left side of dash) Ig2 fuse 15a Igsw Ih (behind right side of dash) Imi Imo Ind Instrument panel j/b (behind left side of dash) J4 e J5 a Junction connector j1 & j2 (behind left end of dash) Junction connector j3 (behind left side of dash) Junction connector j4 & j5 (behind left kick panel) Junction connector j6 (behind left side of dash) Junction connector j9 (behind right side of dash) Key coil transponder Ksw Me01 Pnk Red Security indicator lamp Transponder key amplifier (on steering column) Transponder key ecu (behind left side of dash) Txct Unlock warning switch (behind left side of dash) Vc5
BODY CONTROL MODULES Body Control Modules Wiring Diagram for Scion tC Spec 2007 List of elements for Body Control Modules Wiring Diagram for Scion tC Spec 2007: 67 A21 Act+ Act- Actd Altb B30 Bact Bcty Bdsu C14 Dbkl Dcty Door fuse 20a Door locks system Door locks system instrument cluster system E17 E26 E27 Ecu-b fuse 10a Ecu-ig fuse 7.5a Ecub Ehw Engine room r/b (left side of engine compt) Exterior lights system Flash relay Gnd H12 H13 H14 H16 H17 Haz Head Headlights system Horn Horns system Hot at all times Hot in on or start Hrly If (behind left side of dash) Ih (behind right side of dash) Ill Instrument cluster system Instrument panel j/b (behind left side of dash) Integration relay (behind left side of dash) Interior lights system Kof Ksw Lsdi Lswd Pcty Pnk Power tops system Power windows system Prg Rda Red Sig Spd T-lp relay Tail Trly Trunk, tail, fuel doors system Ul1 Ul2 Ul3 Warning system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Scion tC Spec 2007 List of elements for Computer Data Lines Wiring Diagram for Scion tC Spec 2007: 39 (behind left side of dash) if (behind left side of dash) instrument panel j/b (behind right side of dash) junction connector j7 (left rear of engine) ed A12 Air bag sensor assembly center (lower center of dash) B23 B26 Bat Canh Canl D/g D12 Data link connector 3 (under lower left end of dash) Dia E02 E13 E31 Engine control module (behind right side of dash) Engine room r/b (left side of engine compt) Hot at all times If (behind left side of dash) J13 J14 J15 Junction connector j13 & j14 & j15 (behind left side of dash) Junction connector j4 & j5 (behind left kick panel) Junction connector j6 (behind left side of dash) Obd 2 fuse 10a Occupant classification ecu (under front passenger's seat) Pnk Red Sil Skid control ecu w/ actuator (right front of engine compt) St plug Tac Tach Tire pressure warning ecu (behind right side of dash) Transponder key ecu (behind left side of dash)
COOLING FAN Cooling Fan Wiring Diagram for Scion tC Spec 2007 List of elements for Cooling Fan Wiring Diagram for Scion tC Spec 2007: 24 (left front of engine compt) pressure switch (left front of engine compt) radiator fan motor (left side of engine compt) engine room r/b A/c condenser fan motor (front of engine compt) A/c control assembly B24 Cds fuse 30a Diode (fan) (behind left end of dash) Ec (left front corner of engine compt) Ecu-ig fuse 7.5a Engine control module (behind right side of dash) Engine coolant temperature sensor (rear of engine) Engine room r/b (left side of engine compt) Fan relay 1 Fan relay 2 Fan relay 3 Fanh Hot at all times Hot in on or start Instrument panel j/b (behind left side of dash) Mgc Rdi fuse 30a Red Thw
CRUISE CONTROL Cruise Control Wiring Diagram (1 of 2) for Scion tC Spec 2007 List of elements for Cruise Control Wiring Diagram (1 of 2) for Scion tC Spec 2007: 52 +b2 +bm A j4 Accelerator position sensor (under left side of dash) B11 Batt Ccs Computer data lines system E j5 E01 E02 E03 E18 Ec (left front corner of engine compt) Ed (left rear of engine) Ee (rear of engine) Efi fuse 20a Efi relay Engine control module (behind right side of dash) Engine room r/b (left side of engine compt) Eom Ep1 Ep2 Epa Epa2 Etcs fuse 10a Ge01 Hot at all times Igsw Instrument panel j/b (behind left side of dash) Junction connector j4 & j5 (behind left kick panel) Junction connector j7 (behind right side of dash) Junction connector j8 (behind right side of dash) Me01 Mrel Nca Pnk Red Spd St1- Stp Throttle body assembly Transmissions system Vcp1 Vcp2 Vcpa Vpa Vpa1 Vpa2 Vta Vta1 Vta2 Cruise Control Wiring Diagram (2 of 2) for Scion tC Spec 2007 List of elements for Cruise Control Wiring Diagram (2 of 2) for Scion tC Spec 2007: 56 +res -set 30b A/t B12 B18 B24 Cancel Ccs Combination meter Cruise control clutch switch (on clutch pedal assembly) Cruise control switch Cruise ind E21 E24 Ecc Ecu-b fuse 10a Ecu-ig fuse 7.5a Engine room r/b (left side of engine compt) Fl+ Fl- Fr+ Fr- Gauge fuse 10a Hot at all times Hot in on or start Hot w/ ig1 relay energized Ig2 fuse 15a Instrument panel j/b (behind left side of dash) J4 c J5 c Junction connector j3 (behind left side of dash) Junction connector j4 & j5 (behind left kick panel) Left front speed sensor (mounted on left front wheel hub) Left rear speed sensor (mounted on left rear wheel hub) M/t Met ig2 fuse 10a On/off Park/neutral position switch (left rear of transmission) Pnk Power circuit Red Right front speed sensor (mounted on right front wheel hub) Right rear speed sensor (mounted on right rear wheel hub) Rl+ Rl- Rr+ Rr- S15 Skid control ecu w/ actuator (right front of engine compt) Sp1 Speedometer Spiral cable Spiral cable (on steering column) Stop fuse 10a Stop lamp switch (on bracket, above brake pedal)
DEFOGGERS Defoggers Wiring Diagram for Scion tC Spec 2007 List of elements for Defoggers Wiring Diagram for Scion tC Spec 2007: 15 A/c control assembly Def fuse 30a Defogger relay Gauge fuse 10a Gnd Hot at all times Hot in on or start Ih (behind right side of dash) Instrument panel j/b (behind left side of dash) J/c j9 (behind right side of dash) Noise filter (def & stop) (at rear of vehicle) Pnk Q12 Rear window defogger (on rear window) Rr def
ENGINE PERFORMANCE
2.4L 2.4L, Engine Performance Wiring Diagram (1 of 6) for Scion tC Spec 2007 List of elements for 2.4L, Engine Performance Wiring Diagram (1 of 6) for Scion tC Spec 2007: 68 (a/t) (behind left kick panel) junction connector j4 & j5 (m/t) (on bracket, above brake pedal) stop lamp switch +b2 +bm A15 Ac1 Act Air conditioning system Anti-theft system B11 B12 B18 B27 Batt C/opn relay Canh Canl Computer data lines system Cooling fans system Cruise control system E10 E18 E21 E24 Els1 Els3 Engine control module (behind right side of dash) Eom Epa Epa2 F/ps Fanh Fuel pump Fuel sender Fuel suction pump & gauge assembly (in fuel tank) Hot at all times Hot in on or start If (behind left side of dash) Ig2 fuse 15a Igsw Imi Imo Instrument cluster system Instrument panel j/b (behind left side of dash) M11 Mpmp Mrel Nsw Pnk Ppmp Red Rr def i/up fuse 7.5a Spd St1- Sta Stop fuse 10a Stp Tach Tail fuse 10a Thwo Vcp2 Vcpa Vpa Vpa2 Vpmp W/ engine immobilizer system 2.4L, Engine Performance Wiring Diagram (2 of 6) for Scion tC Spec 2007 List of elements for 2.4L, Engine Performance Wiring Diagram (2 of 6) for Scion tC Spec 2007: 24 Accelerator position sensor (under left side of dash) Canister Canister pump module (under rear of vehicle) Ec (left front corner of engine compt) Efi fuse 20a Efi relay Engine room r/b (left side of engine compt) Ep1 Ep2 Etcs fuse 10a Hot at all times Ig2 relay Ign fuse 15a Leak Pnk Pressure sensor canister Pump detection m Red Vcp1 Vcp2 Vent valve Vpa1 Vpa2 W/ engine immobilizer system 2.4L, Engine Performance Wiring Diagram (3 of 6) for Scion tC Spec 2007 List of elements for 2.4L, Engine Performance Wiring Diagram (3 of 6) for Scion tC Spec 2007: 23 (behind left kick panel) junction connector j4 & j5 (under lower left end of dash) data link connector 3 B30 Bat Camshaft position sensor (rear of cylinder head) Clutch start switch (m/t) (on clutch pedal assembly) Crankshaft position sensor (lower right front of engine) Ecu-b fuse 10a Ed (left rear of engine) Engine room r/b (left side of engine compt) Engine room r/b 2 (left side of engine compt) Hot at all times Hot in on or start Hot in start Instrument panel j/b (behind left side of dash) Junction connector j8 (behind right side of dash) Met ig2 fuse 10a Nca Obd2 fuse 10a Pnk Red St fuse 7.5a W/ engine immobilizer system 2.4L, Engine Performance Wiring Diagram (4 of 6) for Scion tC Spec 2007 List of elements for 2.4L, Engine Performance Wiring Diagram (4 of 6) for Scion tC Spec 2007: 14 Combination meter Ed (left rear of engine) Junction connector j7 (behind right side of dash) Knock control sensor (bank 1) (center of cylinder block) Lamp ind malfunction Nca Pnk Power circuit Red Speedometer Tachometer Throttle body assembly Vta1 Vta2 2.4L, Engine Performance Wiring Diagram (5 of 6) for Scion tC Spec 2007 List of elements for 2.4L, Engine Performance Wiring Diagram (5 of 6) for Scion tC Spec 2007: 30 (behind left side of dash) junction connector j3 (left rear of transmission) (a/t) park/neutral position switch (top of cylinder head cover) (top of engine) (under center floor console) shift lock control ecu C10 C11 C13 E19 E20 Fuel injector 1 Fuel injector 2 Fuel injector 3 Fuel injector 4 Gauge fuse 10a Gnd Hot in on or start Igf Ignition coil 1 Ignition coil 2 Igt Instrument panel j/b (behind left side of dash) Nca Noise filter (ignition) (rear of engine) Pnk Power steering oil pressure switch (near power steering pump) Red S15 Transmission control switch Transmission revolution sensor (turbine) (on transmission) 2.4L, Engine Performance Wiring Diagram (6 of 6) for Scion tC Spec 2007 List of elements for 2.4L, Engine Performance Wiring Diagram (6 of 6) for Scion tC Spec 2007: 69 (left front of engine compartment) (left rear of engine) ed (on exhaust system, after catalytic converter) heated oxygen sensor (bank 1 sensor 2) (on transmission) transmission revolution sensor (counter gear) (rear of engine) (rear of engine) air fuel ratio sensor (bank 1 sensor 1) (top of cylinder head cover) A1a+ A1a- Af+ Af- Alt Camshaft timing oil control valve (front of cylinder head) Dsl E01 E02 E03 E04 E2g Ee (rear of engine) Eknk Electronically controlled transmission solenoid Engine control module (behind right side of dash) Engine coolant temperature sensor (rear of engine) G2+ Ge01 Gnd Ha1a Ht1b Igf Igf1 Ignition coil 3 Ignition coil 4 Igt Igt1 Igt2 Igt3 Igt4 Knk1 Mass air flow meter (left side of engine compt) Me01 Nc+ Nc- Nca Ne+ Ne- Nt+ Nt- Oc1+ Oc1- Ox1b Pnk Prg Psw Red Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Starting/ charging system Tha Tho Tho1 Thw Vsv (purge) (left side of engine compt) Vta1 Vta2
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Scion tC Spec 2007 List of elements for Back-up Lamps Wiring Diagram for Scion tC Spec 2007: 20 A j12 A/t A30 Back-up lamp Back-up lamp switch (on right side of transmission) C j11 Gauge fuse 10a Hot in on or start Instrument panel j/b (behind left side of dash) J11 J11 f J12 Junction connector j10 (in left "c" pillar) Junction connector j11 & j12 (left rear of vehicle) Left rear combination lamp M/t Park/neutral position switch (left rear of transmission) Pnk Right rear combination lamp S15 Exterior Lamps Wiring Diagram (1 of 2) for Scion tC Spec 2007 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Scion tC Spec 2007: 63 (behind left side of dash) instrument panel j/b A/c control assembly A27 A28 A29 B14 B15 B31 B32 B33 C j4 C j5 Combination meter Combination switch E12 E17 E28 Eb (right front of engine compt) Ec (left front corner of engine compt) Ed (left rear of engine) Ehw Engine room r/b (left side of engine compt) Flash relay Gauge fuse 10a Gnd Hazard switch Head Hot at all times Hot in on or start If (behind left side of dash) Ih (behind right side of dash) Integration relay Interior lights system Junction connector j1 & j2 (behind left end of dash) Junction connector j4 & j5 (behind left kick panel) Junction connector j6 (behind left side of dash) Junction connector j7 (behind right side of dash) Junction connector j9 (behind right side of dash) Left front turn signal lamp Left outer rear view mirror Left parking lamp Left turn ind Light control switch Off Panel fuse 7.5a Pnk Red Right front turn signal lamp Right outer rear mirror view Right parking lamp Right turn ind S11 S12 S13 S16 S17 Side turn signal lamp T-lp relay Tail Tail fuse 10a Trly Turn signal switch Turn-haz fuse 10a Exterior Lamps Wiring Diagram (2 of 2) for Scion tC Spec 2007 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Scion tC Spec 2007: 21 B12 B18 Bk (at rear of vehicle) Center stop lamp F j11 Hot at all times Instrument panel j/b (behind left side of dash) J11 J12 Junction connector j10 (in left "c" pillar) Junction connector j11 & j12 (left rear of vehicle) Left license plate lamp Left rear combination lamp Noise filter (def & stop) (at rear of vehicle) Right license plate lamp Right rear combination lamp Stop Stop fuse 10a Stop lamp switch (on bracket, above brake pedal) Tail Turn
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Scion tC Spec 2007 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Scion tC Spec 2007: 59 (at rear of vehicle) (behind left side of dash) (left side of engine compartment) engine room r/b (w/ cruise control) spiral cable Air fuel ratio sensor (bank 1 sensor 1) shield Back door lock assembly Back door opener switch Bi (behind left quarterpanel) Bj (behind left quarterpanel) Brake fluid level warning switch Camshaft position sensor shield Canister pump module Center stop lamp Combination meter Control ecu w/ actuator Crankshaft position sensor shield Data link connector Door control receiver Driver's side front seat inner belt Ea (right front of engine compartment) Eb (right front of engine compartment) Ec (left front corner of engine compartment) Ed (left rear of engine) Ee (rear of engine) Efi relay Engine control module Fan 2 relay Heated oxygen sensor (bank 1 sensor 2) shield Ig 2 relay Ignition coil J/c j10 (in left "c" pillar) J/c j11 & j12 (left rear of vehicle) jc11 J/c j4 & j5 (behind left kick panel) J/c j7 (behind right side of dash) J/c j8 (behind right side of dash) Jc12 Jc4 Jc5 Knock control sensor (bank 1) shield Left front turn signal lamp Left license plate lamp Left low headlamp Left parking lamp Left rear combination lamp Nca Pnk Pressure switch Radiator fan motor Radio receiver assembly Red Right front turn signal lamp Right license plate lamp Right low headlamp Right parking lamp Right rear combination lamp Skid Tire pressure warning ecu W/ engine immobilizer system Windshield wiper motor Ground Distribution Wiring Diagram (2 of 2) for Scion tC Spec 2007 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Scion tC Spec 2007: 56 (behind right side of dash) (if equipped) front console illumination (if equipped) sliding roof control ecu (left side of engine compartment) engine room r/b 2 (w/o jam protection) pwr relay A/c control assembly A/t A/t shift lever illumination A12 A15 Air bag sensor assembly center Blower motor control Center room lamp Cigarette lighter Combination switch Data link connector Door lock control switch Driver's side door lock assembly E12 E14 E17 E28 E30 Flash relay Front passenger's side door lock assembly Front passenger's side power window switch Fuel suction pump & gage assembly Htr relay If (behind left side of dash) Ig 1 relay Instrument panel j/b (behind left side of dash) Integration relay J/c j13, j14 & j15 J/c j6 (behind left side of dash) J/c j9 (behind right side of dash) Jc15 Left outer rear view mirror Map lamp Noise filter Noise filter (dome) Occupant classification ecu Outer mirror switch Power point socket Power point socket relay Power window master switch Right outer rear view mirror Shift lock control ecu St relay Tire pressure warning reset switch Transponder key ecu Unlock warning switch W/ jam protection W/ jam protection w/o jam protection W/ sliding roof W/o jam protection W/o sliding roof
HEADLIGHTS Headlights Wiring Diagram for Scion tC Spec 2007 List of elements for Headlights Wiring Diagram for Scion tC Spec 2007: 38 (behind left side of dash) instrument panel j/b (behind left side of dash) integration relay B16 B25 B34 C12 C16 Combination meter Combination switch Dimmer switch E12 E17 Eb (right front of engine compt) Ec (left front corner of engine compt) Engine room r/b (left side of engine compt) Flash H-lp relay Head High beam ind light Hot at all times Hrly If (behind left side of dash) Ih (behind right side of dash) Instrument panel j/b (behind left side of dash) Left high headlamp Left low headlamp Lh hi h-lp fuse 10a Lh lo h-lp fuse 10a Lighting switch Main fuse 40a Off Pnk Red Rh hi h-lp fuse 10a Rh lo h-lp fuse 10a Right high headlamp Right low headlamp Tail
HORN Horn Wiring Diagram for Scion tC Spec 2007 List of elements for Horn Wiring Diagram for Scion tC Spec 2007: 13 B28 E25 Engine room r/b (left side of engine compt) Horn (high) (left front of engine compt) Horn (low) (left front of engine compt) Horn fuse 10a Horn relay Horn switch Hot at all times Instrument panel (j/b) (behind left side of dash) Junction connector 1 & 2 (behind left end of dash) Pnk Spiral cable (on steering column)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Scion tC Spec 2007 List of elements for Instrument Cluster Wiring Diagram for Scion tC Spec 2007: 78 A/c control assembly A13 A21 Abs ind Anti-lock brakes & transmissions systems Anti-lock brakes system B22 B30 Back door lock assembly (rear center of vehicle) Bcty Beam ind Bk (at rear of vehicle) Brake fluid level warning switch (on brake fluid reservoir) Brake ind Buzzer C j4 C j5 C14 Charge ind Circuit power Combination meter Cruise control system Cruise ind Dcty Door ind Driver's seat belt ind Driver's side door courtesy switch Eb (right front of engine compt) Ecu-b fuse 10a Ed (left rear of engine) Engine control module (behind right side of dash) Engine controls system Engine oil pressure switch (rear of engine) Engine room r/b (left side of engine compt) Exterior lights system Front passenger's side door courtesy switch Fuel Fuel ind Fuel sender Fuel suction pump & gauge assembly (in fuel tank) G j1 G j2 H-lp rh hi fuse 10a Headlights system Hot at all times Hot in on or start Illumination Instrument panel j/b (behind left side of dash) Integration relay Interior lights system Junction connector j1 & j2 (behind left end of dash) Junction connector j4 & j5 (behind left kick panel) Junction connector j7 (behind right side of dash) Left turn ind Lsdi Malfunction ind Met ig2 fuse 10a Odo/trip Oil pressure ind Panel fuse 7.5a Pcty Pnk Radio receiver assembly Red Rheostat Right turn ind Seat Sliding roof control ecu (front center of roof) Spd Speedometer Srs ind Starting/charging system Tachometer Temperature Tire pressure ind Tire pressure warning ecu (behind right side of dash) Transmissions system Warning system
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Scion tC Spec 2007 List of elements for Courtesy Lamps Wiring Diagram for Scion tC Spec 2007: 47 (rear center of vehicle) back door lock assembly A21 B13 B30 Bcty Bk (at rear of vehicle) C14 Combination meter Courtesy switch Dcty Diode (room lamp) (front of luggage compt) Dome fuse 7.5a Door Door ind Driver's side door courtesy switch (in left "b" pillar) E17 E27 Ecu-b fuse 10a Ecu-ig fuse 7.5a Ecub Engine room r/b (left side of engine compt) Front passenger's side door courtesy switch (in right "b" pillar) Gnd Hot at all times Hot in on or start If (behind left side of dash) Ignition cylinder lamp Ignition key cylinder lamp Ih (behind right side of dash) Ill Instrument panel j/b (behind left side of dash) Integration relay Junction connector j6 (behind left side of dash) Lsd1 Map lamp Noise filter (dome) (behind left side of dash) Off Pcty Red Room lamp (center) Room lamp (left quarter) Sig Transponder key amplifier (on steering column) W/ engine immobilizer system W/ sliding roof W/o engine immobilizer system W/o sliding roof Instrument Illumination Wiring Diagram for Scion tC Spec 2007 List of elements for Instrument Illumination Wiring Diagram for Scion tC Spec 2007: 41 A/c control assembly A/t shift lever illumination (a/t) Alt fuse 120a B30 Combination meter Door lock control switch E12 E17 Ecu-b fuse 10a Ed (left rear of engine) Engine room r/b (left side of engine compt) Front console illumination (if equipped) Gauge fuse 10a Head Hot at all times Hot in on or start If (behind left side of dash) Ih (behind right side of dash) Ill+ Ill- Illumination Instrument panel j/b (behind left side of dash) Integration relay (behind left side of dash) Junction connector 4 & 5 (behind left kick panel) Junction connector 7 (behind right side of dash) Junction connector 9 (behind right side of dash) Light control switch (combination switch) Met ig2 fuse 10a Odo/trip illumination Off Panel fuse 7.5a Power circuit Radio receiver assembly Red Rheostat Spiral cable (w/ audio steering pad switch) (on steering column) Steering pad sw Swg T-lp relay Tail Trly
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 2) for Scion tC Spec 2007 List of elements for Power Distribution Wiring Diagram (1 of 2) for Scion tC Spec 2007: 79 (behind left side of dash) instrument panel j/b A/c control assembly A/c fuse 10a Abs 1 fuse 50a Abs 2 fuse 40a Alt fuse 120a Alt-s fuse 7.5a Am2 fuse 30a B13 B24 B29 B30 B32 B36 Battery Cds fuse 30a Combination meter Combination switch Cruise control clutch switch, skid control ecu w/ actuator, fan 1 relay, fan 2 relay & fan 3 relay Damper servo motor (air inlet) Data link connector 3 Dcc fuse 30a Dome fuse 7.5a Door control receiver, transponder key ecu & occupant classification ecu E17 Ecu-b fuse 10a Ecu-ig fuse 7.5a Efi fuse 20a Efi relay & engine control module Engine control module Engine room r/b (left side of engine compt) Etcs fuse 10a Fan 1 relay Fan 3 relay Flash relay Flash relay, def relay & htr relay Fr wip fuse 30a Fr wsh fuse 15a From acc socket fuse (diagram 2 of 2) From ignition switch (diagram 2 of 2) Gauge fuse 10a Generator Generator, shift lock control ecu, mg/c relay & tire pressure warning ecu H-lp relay H12 Horn fuse 10a Horn relay Htr fuse 40a Htr relay Ig1 relay Ig2 relay Ign fuse 15a Ih (behind right side of dash) Instrument panel j/b (behind left side of dash) Integration relay Main fuse 40a Map lamp Mg/c relay Noise filter (dome) Obd2 fuse 10a Park/neutral position switch (a/t) back-up lamp switch (m/t) Pnk Power window master switch Rad 1 fuse 20a Radio receiver assembly Rdi fuse 30a Red Room lamp (center) Room lamp (left quarter) S15 Skid control ecu w/ actuator Starter To ignition switch (diagram 2 of 2) To instrument panel j/b (diagram 2 of 2) To pwr relay, instrument panel j/b (diagram 2 of 2) Transponder key amplifier (w/ engine immobilizer system) iginition cylinder lamp (w/o engine immobilizer system) Turn-haz fuse 10a Windshield washer motor Windshield wiper motor Power Distribution Wiring Diagram (2 of 2) for Scion tC Spec 2007 List of elements for Power Distribution Wiring Diagram (2 of 2) for Scion tC Spec 2007: 88 (not used) +acc A/c control assembly A/t shift lever illumination (a/t) A29 Acc Acc fuse 7.5a Acc socket fuse 15a Air bag sensor assembly center Am1 Am1 fuse 25a Am2 B15 B18 B27 B33 C15 Cig fuse 15a Cigarette lighter Combination meter D14 Def fuse 30a Def relay Door fuse 20a E10 E16 E21 Engine control module Engine room r/b 2 (left side of engine compt) Fl door fuse 20a Fr door fuse 20a Fr fog fuse 15a From am2 fuse, engine room r/b (diagram 1 of 2) From gauge fuse, instrument panel j/b (diagram 1 of 2) From rdi fuse, engine room r/b (diagram 1 of 2) Front console illumination (if equipped) Front passengers side power window switch H10 H11 If (behind left side of dash) Ig1 Ig2 Ig2 fuse 15a Ig2 relay & c/opn relay Ignition switch Ih (behind right side of dash) Instrument panel j/b (behind left side of dash) Integration relay Integration relay Junction connector j1 & j2 (behind left end of dash) Junction connector j6 (behind left side of dash) Junction connector j9 (behind right side of dash) Left parking lamp Left, right license plate lamp, left & right rear combination lamp Lock Met ig2 fuse 10a Noise filter Occupant classification ecu Off Outer mirror switch Panel fuse 7.5a Park/neutral position switch, clutch start switch & engine control module Pnk Power fuse 30a Power point socket Power point socket relay (behind left kick panel) Power window master switch Power window switch (front passenger's side) Pwr relay Radio receiver assembly Red Right parking lamp S/roof fuse 20a Shift lock control ecu Sliding roof control ecu St fuse 7.5a St relay St1 St2 Start Steering pad switch (if equipped) Stop fuse 10a Stop lamp switch T-lp relay Tail fuse 10a To ig1 relay, instrument panel j/b (diagram 1 of 2) To ig1 relay, instrument panel j/b (diagram 1 of 2) Transponder key ecu
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Scion tC Spec 2007 List of elements for Power Door Locks Wiring Diagram for Scion tC Spec 2007: 68 (at rear of vehicle) bk (behind left side of dash) if (behind right side of dash) ih A21 Act+ Act- Actd Altb B30 Back door lock assembly (rear center of vehicle) Back door opener switch (left side of back door) Bact Bcty Bdsu C14 Combination meter D13 D14 Dcty Detection Door control receiver (left rear of passenger compt) Door courtesy switch (driver's side) (in left "b" pillar) Door courtesy switch (front passenger's side) (in right "b" pillar) Door fuse 20a Door ind Door lock assembly (driver's side) (rear of left front door) Door lock assembly (front passenger's side) (rear of right front door) Door lock control switch E26 Ecu-b fuse 10a Ecu-ig fuse 7.5a Ecub Engine room r/b (left side of engine compt) Gnd H12 H13 H14 H16 H17 Horn Horns system Hot at all times Hot w/ ig1 relay energized Instrument panel j/b (behind left side of dash) Integration relay Junction connector j10 (in left "c" pillar) Junction connector j3 (behind left side of dash) Junction connector j6 (behind left side of dash) Junction connector j9 (behind right side of dash) Ksw Lock Lsd1 Lswd P17 Pcty Pnk Power window master switch Prg Rda Red Sig Ul1 Ul2 Ul3 Unlock Unlock warning switch (behind left side of dash) W/ jam protection W/o jam protection
POWER MIRRORS Power Mirrors Wiring Diagram for Scion tC Spec 2007 List of elements for Power Mirrors Wiring Diagram for Scion tC Spec 2007: 18 Acc fuse 7.5a Com Down G j4 G j5 Hot in acc or on If (behind left side of dash) Instrument panel j/b (behind left side of dash) J/c j4 & j5 (behind left kick panel) J/c j6 (behind left side of dash) L/ up Left rear outer view mirror Operation switch Outer mirror switch R/ down Red Right rear outer view mirror Select switch
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Scion tC Spec 2007 List of elements for Power Top/Sunroof Wiring Diagram for Scion tC Spec 2007: 45 (behind left side of dash) (behind right side of dash) (in left "b" pillar) driver's side door courtesy switch (in right "b" pillar) front passenger's side door courtesy switch A21 Altb Anti-lock brakes system B30 C j4 C j5 C14 Close Close/down Combination meter Dcty Door fuse 20a E17 Ecu-b fuse 10a Ecu-ig fuse 7.5a Ecub Ed (left rear of engine) Engine room r/b (left side of engine compt) Gnd Hot at all times Hot in on or start Instrument panel j/b (behind left side of dash) Integration relay Junction connector j1 (behind left end of dash) Junction connector j4 & j5 (behind left kick panel) Junction connector j7 (behind right side of dash) Kof Map lamp Met ig2 fuse 10a Open Open/up Pcty Pnk Power circuit Pws S/roof fuse 20a Sig Slide roof control switch Sliding roof control ecu (front center of roof) Spd Speedometer
POWER WINDOWS Power Windows Wiring Diagram, with Jam Protection for Scion tC Spec 2007 List of elements for Power Windows Wiring Diagram, with Jam Protection for Scion tC Spec 2007: 45 (in left "b" pillar) driver's side door courtesy switch (in left front door) left front power window regulator motor (in right "b" pillar) front passenger's side door courtesy switch A21 Altb B30 C14 Dcty Door fuse 20a Door locks system E17 Ecu-b fuse 10a Ecu-ig fuse 7.5a Ecub Engine room r/b (left side of engine compt) F j5 Fl door fuse 20a Fr door fuse 20a Front passenger's side power window switch Gauge fuse 10a Gnd H j4 H10 Hot at all times Hot in on or start If (behind left side of dash) Ih (behind right side of dash) Instrument panel j/b (behind left side of dash) Integration relay Junction connector j4 & j5 (behind left kick panel) Kof Kop Mpx1 Pct Pcty Pls Pls2 Pnk Power window master switch Red Right front power window regulator motor (in right front door) Sgnd Sig Ssrb Vcc Power Windows Wiring Diagram, without Jam Protection for Scion tC Spec 2007 List of elements for Power Windows Wiring Diagram, without Jam Protection for Scion tC Spec 2007: 20 (behind left side of dash) if Alt fuse 120a Door locks system E17 Engine room r/b (left side of engine compt) Front passenger's side power window switch Gauge fuse 10a H11 Hot at all times Hot in on or start If (behind left side of dash) Ih (behind right side of dash) Instrument panel j/b (behind left side of dash) Left front power window regulator motor (in left front door) Pnk Power fuse 30a Power window master switch Pwr relay Red Right front power window regulator motor (in right front door)
RADIO Radio Wiring Diagram for Scion tC Spec 2007 List of elements for Radio Wiring Diagram for Scion tC Spec 2007: 54 (behind center of dash) antenna amplifier A17 Acc Acc fuse 7.5a Ali Alo Ant Ari Aro Asgn Au1 Au2 Auxi Auxo Cruise control system Eau Engine room r/b (left side of engine compartment) Fl+ Fl- Fr+ Fr- Gnd Hot at all times Hot in acc or on Ig (behind left side of dash) Ill Ill- Instrument panel j/b (behind left side of dash) Interior lights system Left front door speaker Left rear speaker Left tweeter Mode Pnk Rad 1 fuse 20a Radio receiver assembly Red Right front door speaker Right rear speaker Right tweeter Rl+ Rl- Rr+ Rr- Seek+ Seek- Spiral cable (on steering column) Steering pad switch Stereo jack adapter Sw1 Sw2 Swg Volume+ Volume-
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Scion tC Spec 2007 List of elements for Shift Interlock Wiring Diagram for Scion tC Spec 2007: 27 Acc Acc fuse 7.5a B12 B18 D14 Ecu-ig fuse 7.5a Hot at all times Hot in on or acc Hot in on or start If (behind left side of dash) Ih (behind right side of dash) Instrument panel j/b (behind left side of dash) Junction connector j1 & j2 (behind left j2 end of dash) Junction connector j6 (behind left side of dash) Junction connector j9 (behind right side of dash) Key interlock solenoid Kls+ Red S18 Shift lock control ecu (under center floor console) Shift lock solenoid Sls+ Sls- Stop fuse 10a Stop lamp switch (on bracket, above brake pedal) Stp Unlock warning switch (behind left side of dash)
STARTING/CHARGING Charging Wiring Diagram for Scion tC Spec 2007 List of elements for Charging Wiring Diagram for Scion tC Spec 2007: 19 (behind right side of dash) engine control module Alt Alt fuse 120a Alt-s fuse 7.5a Battery Battery ground Charge ind Combination meter Ecu-ig fuse 7.5a Engine room r/b (left side of engine compt) Generator Hot in on or start Instrument panel j/b (behind left side of dash) J/c j1 & j2 (behind left end of dash) j2 Met ig2 fuse 10a Nca Pnk Red Starting circuit Starting Wiring Diagram for Scion tC Spec 2007 List of elements for Starting Wiring Diagram for Scion tC Spec 2007: 25 A/t Acc Alt fuse 120a Am1 fuse 25a Am2 fuse 30a Battery Battery ground Clutch start switch (on clutch pedal assembly) Engine room r/b (left side of engine compt) Engine room r/b 2 (left side of engine compt) Ignition switch Ih (behind right side of dash) Instrument panel j/b (behind left side of dash) J/c j9 (behind right side of dash) Lock M/t Nca On off P/ n Park/neutral position switch (left rear of transmission) Red St fuse 7.5a Start Starter Starter relay
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for Scion tC Spec 2007 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Scion tC Spec 2007: 76 (in roof, above right doors) (w/ side airbag) right curtain shield airbag squib (near bottom of right "b" pillar) right pretensioner A11 A13 Airbag sensor control assembly (below center console) Bgnd Bsw Buckle switch Dbe+ Dbe- Dia Driver's side front seat inner belt Dsp+ Dsp- Escd Escl Escp Escr Esd Esl Esp Esr Front passenger side front seat inner belt Front right occupant classification sensor (under left front of front passenger's seat) Fsp+ Fsp- Fsr+ Fsr- Gnd Icd+ Icd- Icp+ Icp- Ih (behind right side of dash) J/c j9 (behind right side of dash) Left curtain shield airbag squib (w/ side airbag) (in roof, above left doors) Left pretensioner (near bottom of left "b" pillar) Left rear airbag sensor (w/ side airbag) (at left "c" pillar) Left side airbag sensor (w/ side airbag) (near left rocker panel) Left side airbag squib (w/ side airbag) (in driver's seat) Occupant classification ecu (under front passenger's seat) Pd+ Pd- Pp+ Pp- Rear left occupant classification sensor (under left rear of front passenger's seat) Rear right occupant classification sensor (under right rear of front passenger's seat) Red Right rear airbag sensor (w/ side airbag) (at right "c" pillar) Right side airbag sensor (w/ side airbag) (near right rocker panel) Right side airbag squib (w/ side airbag) (in front passenger's seat) Seat position airbag sensor Sfd+ Sfd- Sfp+ Sfp- Sgd1 Sgd2 Sgd3 Sgd4 Sig1 Sig2 Sig3 Sig4 Svc1 Svc2 Svc3 Svc4 Vucd Vucl Vucp Vucr Vupd Vupl Vupp Vupr Supplemental Restraints Wiring Diagram (2 of 2) for Scion tC Spec 2007 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Scion tC Spec 2007: 63 (behind left side of dash) if (behind right side of dash) ih +sl +sr -sl -sr A/b off A/b on A/c control assembly A12 A14 A15 Airbag on/off indicator Airbag sensor assembly center (lower center of dash) Airbag squib (front passenger airbag assembly) (behind right side of dash) Airbag squib (steering wheel pad) (behind center of dash) B30 Combination meter D12 D2+ D2- Data link connector 3 (partial) (under lower left end of dash) Dk+ Dk- E13 E14 E15 E16 E17 E30 E31 E32 Ecu-b fuse 10a Ed (left rear of engine) Engine control module (ecm) (behind right side of dash) Engine room r/b (left side of engine compartment) F/ps Front left occupant classification sensor (under left front of front passenger's seat) Gsw2 H12 Hot at all times Hot in on and start Ig2 Ig2 fuse 15a Instrument panel j/b (behind left side of dash) J/c j3 (behind left side of dash) J/c j4 & j5 (behind left kick panel) J/c j4 (behind left kick panel) Knee airbag squib (under left side of dash) Left front airbag sensor (left front of engine compartment) Met ig2 fuse 10a P-ab P2+ P2- Paon Pbew Pnk Red Right front airbag sensor (right front of engine compartment) S14 Sil Solid state Srs
TRANSMISSION A/T Wiring Diagram (1 of 2) for Scion tC Spec 2007 List of elements for A/T Wiring Diagram (1 of 2) for Scion tC Spec 2007: 57 (behind right side of dash) j/c j7 (left rear of engine) ed +b2 +bm Accelerator position sensor (under left side of dash) B11 B12 B18 Batt D12 Data link connector 3 (under lower left end of dash) E01 E02 E18 E21 E24 E2g Ec (left front corner of engine compt) Ed (left rear of engine) Efi fuse 20a Efi relay Engine control module (behind right side of dash) Engine coolant temperature sensor (rear of engine) Engine room r/b (left side of engine compt) Eom Epa Epa2 Etcs fuse 10a Ge01 Hot at all times Hot in on or start Ig2 fuse 15a Igsw Instrument panel j/b (behind left side of dash) J/c j4 & j5 (behind left kick panel) j5 J/c j7 (behind right side of dash) J/c j8 (behind right side of dash) Mass air flow meter (left side of engine compt) Mrel Nca Nsw Pnk Red Sta Stop fuse 10a Stop lamp switch (on bracket, above brake pedal) Tha Throttle body assembly Thw Vcp2 Vcpa Vpa Vpa2 Vta Vta1 Vta2 W/ engine immobiliser system A/T Wiring Diagram (2 of 2) for Scion tC Spec 2007 List of elements for A/T Wiring Diagram (2 of 2) for Scion tC Spec 2007: 49 C10 C11 C13 Combination meter Cpu Dsl E03 E04 E19 E20 E2g Ed (left rear of engine) Ee (rear of engine) Electronically controlled transmission solenoid (left front of engine compartment) Engine control module (behind right side of dash) Engine room r/b 2 (left side of engine compt) Gauge fuse 10a Hot in start Hot w/ ig1 relay energized Instrument panel j/b (behind left side of dash) J/c j3 (behind left side of dash) J/c j4 & j5 (behind left kick panel) J4 c J5 c Me01 Nc+ Nc- Nt+ Nt- Park/neutral position switch (left rear of transmission) Pnk Red S15 Shift lock control ecu (under center floor console) Sl1+ Sl1- Sl2+ Sl2- Slt+ Slt- Spd Speedometer St fuse 7.5a Stp Tha Tho Tho1 Transmission revolution sensor (counter gear) (on transmission) Transmission revolution sensor (turbine) (on transmission)
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagram for Scion tC Spec 2007 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagram for Scion tC Spec 2007: 31 Altb B30 Back door lock assembly (rear center of vehicle) Back door opener switch (left side of back door) Bact Bdsu Bk (at rear of vehicle) Combination meter Door fuse 20a E17 Ecu-b fuse 10a Ecu-ig fuse 7.5a Ecub Ed (left rear of engine) Engine room r/b (left side of engine compt) Gnd Hot at all times Hot in on or start If (behind left side of dash) Ih (behind right side of dash) Instrument panel j/b (behind left side of dash) Integration relay J/c j4 & j5 (behind left kick panel) J/c j7 (behind right side of dash) Met ig2 fuse 10a Power circuit Sig Skid control ecu w/ actuator (right front of engine compt) Sp1 Spd Speedometer
WARNING SYSTEMS Chime Wiring Diagram for Scion tC Spec 2007 List of elements for Chime Wiring Diagram for Scion tC Spec 2007: 59 (behind right side of dash) junction connector j9 A/c control assembly A12 A13 A21 Air bag sensor assembly center Alt fuse 120a B30 Bgnd Bsw Buzzer Combination meter Combination switch (light control switch) Dbkl Dcty Door ind Driver's seat belt ind Driver's side door courtesy switch (in left "b" pillar) Driver's side front seat inner belt (in left front seat belt buckle) E12 E17 E26 Ecu-b fuse 10a Ed (left rear of engine) Engine room r/b (left side of engine compt) Fsp+ Fsp- Fsr+ Fsr- Gauge fuse 10a Gnd Head Hot at all times Hot in on or start If (behind left side of dash) Ih (behind right side of dash) Instrument panel j/b (behind left side of dash) Integration relay (behind left side of dash) Junction connector j1 (behind left end of dash) Junction connector j10 (in left "c" pillar) Junction connector j4 & j5 (behind left kick panel) Junction connector j6 (behind left side of dash) Junction connector j7 (behind right side of dash) Lsdi Met ig2 fuse 10a Occupant classification ecu (under front passenger's seat) Off Panel fuse 7.5a Passenger's seat belt warning lamp Passenger's side front seat inner belt (in right front seat belt buckle) Pbew Pnk Power circuit Red Seat T-lp relay Tail Trly Unlock warning switch (behind left side of dash) Tire Pressure Monitoring Wiring Diagram for Scion tC Spec 2007 List of elements for Tire Pressure Monitoring Wiring Diagram for Scion tC Spec 2007: 37 (behind left kick panel) j/c j4 & j5 +5v B30 Clsw Combination meter Computer data lines system Ecu-b fuse 10a Ecu-ig fuse 7.5a Ed (left rear of engine) Engine room r/b (left side of engine compt) F j2 Gnd Gnd2 H j1 Hot at all times Hot in on or start Hot w/ ig1 relay energized Ih (behind right side of dash) Ind Instrument panel j/b (behind left side of dash) J/c j1 & j2 (behind left end of dash) J/c j5 (behind left kick panel) J/c j7 (behind right side of dash) J/c j9 (behind right side of dash) Met ig2 fuse 10a Pnk Power circuit Rda Red Rf5v Sil Spd Speedometer Tire pressure ind Tire pressure warning antenna & receiver (in right "c" pillar) Tire pressure warning ecu (behind right side of dash) Tire pressure warning reset switch
WIPER/WASHER Wiper/Washer Wiring Diagram for Scion tC Spec 2007 List of elements for Wiper/Washer Wiring Diagram for Scion tC Spec 2007: 20 (right front of engine compartment) eb B36 Combination switch E17 Fr wip fuse 30a Fr wsh fuse 15a Front wiper switch High Hot in on or start If (behind left side of dash) Ih (behind right side of dash) Instrument panel j/b (behind left side of dash) Int Low/ mist Off Red Solid state Washer switch Windshield washer motor (on right front of engine compt) Windshield wiper motor (left rear of engine compt)
