VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1201

DTC Code DTC Name
C1201 Engine Control System Malfunction

DESCRIPTION

If a malfunction in the SFI system is detected, the operation of VSC and TRC is prohibited by the fail-safe function. When the signals from the engine are received normally, fail-safe control is canceled.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1201 Engine Control System Malfunction Engine control system malfunction signal continues for 2.5 seconds. SFI system

PROCEDURE


  1. CHECK SFI SYSTEM


    1. Check if SFI system DTCs are output.

      for 8NR-FTS: Click here

      for 3ZR-FAE: Click here


      Powertrain > Engine and ECT > Trouble Codes
      Result
      Result Proceed to
      DTCs are not output. (for 8NR-FTS) A
      DTCs are not output. (for 3ZR-FAE) B
      DTCs are output. (for 8NR-FTS) C
      DTCs are output. (for 3ZR-FAE) D

      Tech Tips

      If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.

      Click here


    A

    REPLACE ECM Click here

    B

    REPLACE ECM Click here

    C

    INSPECT SFI SYSTEM Click here

    D

    INSPECT SFI SYSTEM Click here