C1203

DTC C1203/53 ECM Communication Circuit Malfunction

DESCRIPTION
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-).

DTC DETECTION CONDITION:

WIRING DIAGRAM:

INSPECTION PROCEDURE

Step 1:

Step 1 (Continued)-2: