Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

DTC C1203/53 ECM Communication Circuit Malfunction

DESCRIPTION

The circuit is used to send TRAC and VSC control information from the skid control ECU to the ECM, and engine control information from the ECM to the skid control ECU through the CAN communication system.

INSPECTION PROCEDURE

1 CHECK PART NUMBER (ECM AND BRAKE ACTUATOR ASSEMBLY)

(a) Check that the proper ECM and brake actuator assembly (skid control ECU) are installed.

OK: Proper ECUs are installed.

REPLACE ECM

Other materials:

Air Mix Damper Position Sensor Circuit (Passenger Side)
DESCRIPTION This sensor detects the position of the air mix control servo motor (air mix damper) and sends the appropriate signals to the A/C amplifier. The position sensor is built in the air mix control servo motor. The position sensor's resistance changes as the air mix control servo m ...

Power slide door control switch
INSPECTION 1.

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  • Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction

    Toyota Sienna Service Manual: ECM Communication Circuit Malfunction