ECM Communication Circuit Malfunction

DTC 53 - ECM Communication Circuit Malfunction

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The circuit is used to send TRAC & VSC control information from the skid control ECU to the ECM (TRC+, TRC-). and engine control information from the ECM to the skid control ECU (ENG+. ENG-).

DTC Detecting Condition:

Step 1 - 2:

INSPECTION PROCEDURE