DYNAMIC TORQUE CONTROL AWD SYSTEM, Diagnostic DTC:C1297/97

DTC Code DTC Name
C1297/97 Steering Angle Sensor

DESCRIPTION


DTC No. Detection Item DTC Detection Condition Trouble Area
C1297/97 Steering Angle Sensor When voltage of 4WD ECU assembly IG terminal is 9.5 V or more, and steering angle sensor (spiral with sensor cable sub-assembly) malfunction signal is received.

  • Brake control system

  • Steering angle sensor (Spiral with sensor cable sub-assembly)

  • CAN communication system

  • 4WD ECU assembly

CAUTION / NOTICE / HINT

Note

When the 4WD ECU assembly is replaced with a normal one from another vehicle, it is necessary to perform calibration.

Click here

Tech Tips

Check the condition of each related circuit connector before troubleshooting.

Click here

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Chassis > Four Wheel Drive > Clear DTCs

    2. Turn the engine switch off.

    3. Turn the engine switch on (IG) again and check that no CAN communication system DTC(s) is output.

      Click here

    4. Start the engine.

    5. Drive the vehicle at a speed of 35 km/h (24 mph), turn the steering wheel to the right and left and check that no brake control system (steering angle sensor) DTC (C1432, C1433 or C1434) is output.

      Click here


      Chassis > ABS/VSC/TRC > Trouble Codes
      Result
      Result Proceed to
      Neither CAN communication system DTC nor brake control system DTC is output A
      CAN communication system DTC is output B
      Brake control system (steering angle sensor) DTC (C1432, C1433 or C1434) is output C

      Tech Tips

      When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.


    B

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    C

    REPAIR CIRCUIT INDICATED BY OUTPUT CODE (BRAKE CONTROL SYSTEM) Click here

    A

  2. READ VALUE USING GTS (STEERING ANGLE VALUE)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Chassis / Four Wheel Drive / Data List.

    5. Read the value displayed on the GTS.


      Chassis > Four Wheel Drive > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Steering Angle Value Steering angle value

      Min.: -3276.8°

      Max.: 3276.7°

      		 During steering operation: Changes in proportion with steering wheel rotation

      Left turn: Increase

      Left turn: Increase

      Chassis > Four Wheel Drive > Data List
      Tester Display
      Steering Angle Value
      OK
      The steering angle sensor value changes in accordance with the steering wheel movement.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE 4WD ECU ASSEMBLY for LHD: Click here
    REPLACE 4WD ECU ASSEMBLY for RHD: Click here

    NG

    REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY Click here