TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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WD/Wiring Diagrams262 / 277
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OVERALL ELECTRICAL WIRING DIAGRAM — MK4 Supra Wiring Diagrams, page 262
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OVERALL ELECTRICAL WIRING DIAGRAM (Cont. next page) Electronically Controlled Transmission and A/T Indicator (for 2JZ-GE) Power Source 16 SUPRA B-Y 4 LG-R G-B V-G W-L G-Y W-B V-G W-L OD2 28 W-L G-Y M 22 G-Y KD 18 Y Y EQ2 3 ED1 76 BR BR E1 9 BR BR PS 38 BR-W BR KS 60 THA 46 IDL 63 VTA1 65 VCC 54 VC 41 KICK DOWN SW Rear side of intake manifold SPZ- SPZ+ SPZ+ See Engine Control System <4-8> P-3 POWER STEERING PRESSURE SW E10 DARK GRAY 3 VN11 VEHICLE SPEED SENSOR (Speed Sensor) NO. 2 (for Electronically-Controlled Transmission) G 2 SPZ- 3 R SPZ+ 22 E 2 ELECTRONICALLY CONTROLLED TRANSMISSION ECU NO. 3 Y S3 B-R NO. 1 W S1 W-R NO. 2 W S2 R-L To Cruise Control ECU<17-3> ENGINE CONTROL MODULE(Engine and Electronically Controlled Transmission ECU) S3 8 S 6 S1 10 S2 9 B-R B 3 +B E10 NSW 13 KSW 13 M-REL 8 BAT 35 STA 38 STP 12 SP1 16 OD1 8 GR GR ENGINE CONTROL MODULE (Engine and Electronically Controlled Transmission ECU) E 9 DARK GRAY DARK GRAY 2 B-W B-R 7.5A ST B 13 B-W 7.5A IGN B-O 10 B-O B-R GR B-R B-O B-W B-Y BR-B From Cruise Control ECU<17-3> G-W From Stop Light SW<7-6> P From Telltale Light RH <6-7-1> B From Park/Neutral Position SW/Neutral Start SW<1-3> EFI MAIN RELAY GR GR B-Y B-Y B-Y B-Y W-B 30A EFI NO. 1 B-Y Front side of left fender 30A AM2 BATTERY 1 ACC 1 ST1 1 IG1 4 IG2 3 7 AM1 2 AM2 IGNITION SW W-R W-R 50A AM1(for USA) 60A AM1(for Canada) W W W 120A ALT B W-B E3