C1203
BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1203: ECM Communication Circuit Malfunction
C1203 - ECM Communication Circuit Malfunction
DESCRIPTION
This 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 DTC Check / Clear.
Result
B -- GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) Engine Control - SFI System
A -- REPLACE ECM Removal