C1203

DTC C1203/53 ECM Communication Circuit Malfunction

DESCRIPTION

DTC Detection Condition:

The circuit is used to send TRAC control information (engine revolution signal) from the skid control ECU to the ECM (TRC+, TRC-), and engine control information from the ECM to the skid control ECU (ENG+,ENG-).

Wiring Diagram:

Step 1(Continued)-2:

INSPECTION PROCEDURE