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.