TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.106
BAT/Brakes, ABS & TRAC Systems107 / 167
p.108
ABS Warning Light Circuit — MK4 Supra Brakes, ABS & TRAC Systems, page 107
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BR–107 BRAKE SYSTEM – ANTI–LOCK BRAKE SYSTEM (ABS) ABS Warning Light Circuit CIRCUIT DESCRIPTION If the ECU detects trouble, it lights the ABS warning light while at the same time prohibiting ABS control. At this time, the ECU records a diagnostic trouble code in memory. After removing the short pin of the DLC1, connect terminals Tc and E1 of the DLC1 or DLC2 to make the ABS warning light to blink and output the diagnostic trouble code. WIRING DIAGRAM w/o TRAC Battery ABS Control Relay J/B No.1 ABS ECU (Motor Relay) 1 4 1J 1E GAUGE 2 ABS Warning Light 3 2 4 L A9 W-B 12 IF2 1 4 Short Pin 12 V (Solenoid Relay) A9 B-R EA1 B-R L 16 L 13 WA 23 22 IJ1 A18 DLC1 2 5 ABS Actuator w/ TRAC Battery J/B No.1 ABS & TRAC ECU ABS Solenoid Relay (R/B No.5) 1J 1E 1 GAUGE 2 ABS Warning Light 2 6 ABS & TRAC 4 ECU 4 W-B L 12 IF2 3 Short Pin 12 V 5 B-R 6 B-R L 16 L 5 WA EA1 23 22 IJ1 A22 DLC1 ABS Actuator R07066 R07067