TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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WD/Wiring Diagrams276 / 277
p.277
OVERALL ELECTRICAL WIRING DIAGRAM — MK4 Supra Wiring Diagrams, page 276
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OVERALL ELECTRICAL WIRING DIAGRAM (Cont. next page) Radiator Fan Automatic Air Conditioning 26 SUPRA Power Source W-R R-L R-L G-R GR 16 15 15 16 G5 R-L G-R G GR A24 INLET CONTROL SERVO MOTOR RECIRC FRESH 5 BLOWER MOTOR CONTROL RELAY B- BLACK B- BLACK A-C AMPLIFIER ORANGE A12 ORANGE A13 ORANGE A14 ORANGE A-C DUAL PRESSURE SW A-3 BLACK GRAY A-3 HEATER CONTROL SW H16 ORANGE H12 ORANGE W-B Front side of right fender W-B Front side of left fender A 2 A/C CONDENSER FAN MOTOR L-B W-B R 1 RADIATOR FAN MOTOR L-B W-B R2-1 RADIATOR FAN RELAY NO. 1 (2JZ-GTE) L-B E 5 ENGINE COOLANT TEMP. SW (WATER TEMP. SW) A 3 A/C SINGLE PRESSURE SW R-L W-B A-4 A/C MAGNETIC CLUTCH L-W R 3 RADIATOR FAN RELAY NO. 2 W-B L-R W-B R-L(2JZ-GTE) W-R(2JZ-GTE) R-L A/C MAGNETIC CLUTCH RELAY R-L R-L W-G W-G To Engine Control Module/Engine and Transmission Control ECU-5-3-12-4-85 B-Y 2.5A HTR 50 R-L HEATER RELAY R-L L-W L-W L-R L-R B W-B B 4 B 5 BLOWER MOTOR CONTROL RELAY S1 GND W-B Right kick panel B 3 BLOWER MOTOR BR W-B Front side of left fender ACC 5 IG1 4 ST1 IGNITION SW 119 7 AM1 W B 50A HTR 30A FAN W-R (2JZ-GTE) 10A ECU-B W 50A AM1 (for USA) 60A AM1 (for Canada) 60A POWER W-L 120A ALT BATTERY W-B B W-R 2W 13W