VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1201

DTC Code DTC Name
C1201 Engine Control System Malfunction

DESCRIPTION

If a malfunction is detected in the engine control system, the ECM sends a malfunction signal to the skid control ECU (brake actuator assembly). The skid control ECU (brake actuator assembly) stores this DTC and prohibits the following controls:


DTC No. DTC Detection Condition Trouble Area
C1201 An engine control system malfunction signal continues for 1 second or more. Engine control system

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK ENGINE TYPE


    1. Check the engine type.

      Result
      Result Proceed to
      1KD-FTV A
      2KD-FTV B
      1TR-FE C
      2TR-FE D

    B

    CHECK FOR DTC (ENGINE CONTROL SYSTEM) Click here

    C

    CHECK FOR DTC (ENGINE CONTROL SYSTEM) Click here

    D

    CHECK FOR DTC (ENGINE CONTROL SYSTEM) Click here

    A

  2. CHECK FOR DTC (ENGINE CONTROL SYSTEM)


    1. Check if any engine control system DTC is output (w/o DPF: Click here, w/ DPF: Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output (w/o DPF) B
      DTC is output (w/ DPF) C

    B

    GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) Click here

    C

    GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) Click here

    A

    USE SIMULATION METHOD TO CHECK Click here

  3. CHECK FOR DTC (ENGINE CONTROL SYSTEM)


    1. Check if any engine control system DTC is output Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    B

    GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) Click here

    A

    USE SIMULATION METHOD TO CHECK Click here

  4. CHECK FOR DTC (ENGINE CONTROL SYSTEM)


    1. Check if any engine control system DTC is output Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    B

    GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) Click here

    A

    USE SIMULATION METHOD TO CHECK Click here

  5. CHECK FOR DTC (ENGINE CONTROL SYSTEM)


    1. Check if any engine control system DTC is output (w/o Secondary Air Injection System: Click here, w/ Secondary Air Injection System: Click here, w/ Dual VVT-i: Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output (w/o Secondary Air Injection System) B
      DTC is output (w/ Secondary Air Injection System) C
      DTC is output (w/ Dual VVT-i) D

    B

    GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) Click here

    C

    GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) Click here

    D

    GO TO ENGINE CONTROL (DIAGNOSTIC TROUBLE CODE CHART) Click here

    A

    USE SIMULATION METHOD TO CHECK Click here