C1203

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





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC (ENGINE CONTROL SYSTEM)

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

Result





B -- GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) SFI System

A -- REPLACE ECM Removal