VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1201/51

DTC Code DTC Name
C1201/51 Engine Control System Malfunction

DESCRIPTION

If a malfunction in the engine control system is detected, the operations of VSC and TRC are prohibited by the fail safe function. When the signals from the engine are input normally, the fail safe is cancelled and the DTC is not stored.

DTC No. DTC Detection Condition Trouble Area
C1201/51 Engine control system malfunction signal continues for 5 seconds. Engine control system

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK ENGINE CONTROL SYSTEM


    1. Check if the engine control system DTC is output Click here for 2GR-FE, or Click here for 2AZ-FE).

      Result
      Result Proceed to
      DTC is not output (for 2GR-FE) A
      DTC is not output (for 2AZ-FE) B
      DTC is output (for 2GR-FE) C
      DTC is output (for 2AZ-FE) D

    B

    REPLACE ECM (2AZ-FE) Click here

    C

    INSPECT ENGINE CONTROL SYSTEM (2GR-FE) Click here

    D

    INSPECT ENGINE CONTROL SYSTEM (2AZ-FE) Click here

    A

    REPLACE ECM (2GR-FE) Click here