C1203

DTC C1203 MALFUNCTION IN ENGINE AND ECT ECU COMMUNICATION CIRCUIT

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The circuit is used to send TRAC & VSC control information 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:

INSPECTION PROCEDURE