VARIABLE GEAR RATIO STEERING SYSTEM, Diagnostic DTC:C1591

DTC Code DTC Name
C1591 Actuator Neutral Position Calibration Undone

DESCRIPTION

When the actuator angle is initialized or the VGRS ECU (front steering control ECU) is replaced (the VGRS ECU [front steering control ECU] determines that actuator angle neutral point calibration has not been performed), a DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition
C1591 Actuator Neutral Position Calibration Undone Actuator angle neutral calibration has not been performed. There is no malfunction if this DTC is not output again after performing VGRS system calibration Comes on Perform actuator angle neutral point calibration.

PROCEDURE


  1. CHECK DTC


    1. Check for DTCs.

      Click here


      Chassis > VGRS > Trouble Codes
      OK
      Only DTC C1591 is output.
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR CIRCUITS INDICATED BY OUTPUT DTCS Click here

    OK

  2. PERFORM VGRS SYSTEM CALIBRATION


    1. Perform VGRS system calibration.

      Click here


      Chassis > VGRS > Utility
      Tester Display
      Steering Angle Adjust
      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK FOR DTC


    1. Check for DTCs.

      Click here


      Chassis > VGRS > Trouble Codes
      Result
      Result Proceed to
      DTC is not output A
      DTC C1592 is output B
      DTC C1593 is output C

    A

    END

    B

    GO TO DTC C1592 Click here

    C

    GO TO DTC C1593 Click here