Engine Control System Communication Circuit Malfunction

DTC 53 ENGINE CONTROL SYSTEM COMMUNICATION CIRCUIT MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detection Condition:

The circuit is used to send TRAC & VSC control information from the skid control ECU to the ECM, and engine control information from the ECM to the skid control ECU via the CAN communication system.

Wiring Diagram:

Step 1:

INSPECTION PROCEDURE