VARIABLE GEAR RATIO STEERING SYSTEM, Diagnostic DTC:C1591/51

DTC Code DTC Name
C1591/51 Actuator Neutral Position Calibration Undone

DESCRIPTION

If the steering control ECU or steering actuator is replaced, or if the tie-rod ends are adjusted, VGRS system calibration is required. If the steering control ECU detects that steering angle adjustment is incomplete, it will store DTC C1591/51.

DTC Code DTC Detection Condition Procedure
C1591/51 The steering control ECU detects that steering angle adjustment is incomplete. There is no malfunction if this DTC is not output again after performing VGRS system calibration.

PROCEDURE


  1. CHECK DTC


    1. Check for DTCs Click here.

      OK
      DTC C1591/51 only is output.

    NG

    REPAIR CIRCUIT INDICATED BY DTC OUTPUT

    OK

  2. PERFORM VGRS SYSTEM CALIBRATION


    1. Perform VGRS system calibration Click here.


    NEXT

  3. CHECK DTC


    1. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is not output. A
      DTC C1592/52 is output. B
      DTC C1593/53 is output. C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    GO TO DTC C1592/52 Click here

    C

    GO TO DTC C1593/53 Click here