FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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C1203

DTC C1203/53 ECM COMMUNICATION CIRCUIT MALFUNCTION

CIRCUIT DESCRIPTION


DTC Detection Condition:





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


Wiring Diagram:






Step 1-2:




INSPECTION PROCEDURE