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. DTC Detection Condition Trouble Area
C1201 Engine control system malfunction signal continues for 2.5 seconds. SFI system

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK SFI SYSTEM


    1. Check if an SFI system DTC is output Click here for 2GR-FE, Click here for 2AR-FE, or Click here for 1AZ-FE).

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

      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.


    B

    INSPECT SFI SYSTEM

    A

    REPLACE ECM