DTC 53
DTC 53 ECM Communication Circuit Malfunction
CIRCUIT DESCRIPTION
This circuit is used to send TRAC control information from the ABS & TRAC ECU to the ECM (TRC+, TRC-) and engine control information from the ECM to the ABS & TRAC ECU (EFI+ EFI-).
DETECTING CONDITION
WIRING DIAGRAM
Step 1:
INSPECTION PROCEDURE