ECM Communication Circuit Malfunction - Vehicle Stability Control System

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1203/53: ECM Communication Circuit Malfunction
C1203/53 - ECM Communication Circuit Malfunction

DESCRIPTION

The circuit is used to send 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





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC (FOR ENGINE CONTROL SYSTEM)

(a) Check if the engine control system DTC is output Reading and Clearing Diagnostic Trouble Codes.

Result





B -- GO TO ENGINE CONTROL SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How to Proceed with Troubleshooting

A -- REPLACE ECM Removal