TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.144
BAT/Brakes, ABS & TRAC Systems145 / 167
p.146
DTC 43 ABS & TRAC ECU Malfunction — MK4 Supra Brakes, ABS & TRAC Systems, page 145
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BR–145 BRAKE SYSTEM – TRACTION CONTROL SYSTEM (TRAC) DTC 43 ABS & TRAC ECU Malfunction CIRCUIT DESCRIPTION DTC No. | Diagnostic Trouble Code Detecting Condition | Trouble area 43 | ABS control system or TRAC (BRAKE) control system or communication circuit is abnormal. | ABS & TRAC ECU Open or short in BRFA circuit WIRING DIAGRAM ABS & TRAC ECU 12 V BRFA 5 A21 P-B TRAC ECU 4 BRFA T9 R07629 INSPECTION PROCEDURE 1 Is diagnostic trouble code output for the ABS & TRAC (BRAKE)? Perform diagnostic trouble code check on page BR–128. NO YES Repair circuit indicated by the code output.