VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1201

DTC Code DTC Name
C1201 Engine Control System Malfunction

DESCRIPTION

If a malfunction in the engine control system is detected, the operation of VSC and TRC/TRAC is prohibited by the fail-safe function.

When the signals from the engine are input normally, the fail-safe control is canceled and the DTC is not stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1201 Engine Control System Malfunction Engine control system malfunction signal continues for 1 second or more. Engine control system

PROCEDURE


  1. CHECK ENGINE CONTROL SYSTEM


    1. for 2AD-FHV or 2AD-FTV

      Check if an engine control system DTC is output.

      for 2AD-FHV: Click here

      for 2AD-FTV (for CCo): Click here

      for 2AD-FTV (for DPF): Click here


      Powertrain > Engine and ECT > Trouble Codes

    2. for 2WW

      Check if an engine control system DTC is output.

      Click here


      Powertrain > Engine and ECT > Trouble Codes
      Result
      Proceed to
      DTC is not output (for 2AD-FHV)
      DTC is not output (for 2AD-FTV)
      DTC is not output (for 2WW)
      DTC is output (for 2AD-FHV)
      DTC is output (for 2AD-FTV (for CCo))
      DTC is output (for 2AD-FTV (for DPF))
      DTC is output (for 2WW)

    DTC is not output (for 2AD-FHV)

    REPLACE ECM Click here

    DTC is not output (for 2AD-FTV)

    REPLACE ECM Click here

    DTC is not output (for 2WW)

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

    DTC is output (for 2AD-FHV)

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

    DTC is output (for 2AD-FTV (for CCo))

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

    DTC is output (for 2AD-FTV (for DPF))

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

    DTC is output (for 2WW)

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