VARIABLE GEAR RATIO STEERING SYSTEM, Diagnostic DTC:C15B4

DTC Code DTC Name
C15B4 ECU Malfunction(Actuator Angle Record)

DESCRIPTION

If the VGRS ECU (front steering control ECU) detects an internal malfunction, it turns the master warning light on, and stores DTC C15B4.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition
C15B4 ECU Malfunction(Actuator Angle Record) The memorized actuator angle value cannot be confirmed immediately after the engine switch is turned on (IG). VGRS ECU (front steering control ECU) Comes on After clearing DTCs, perform actuator angle neutral point calibration.

CAUTION / NOTICE / HINT

Note

When replacing the VGRS ECU (front steering control ECU), perform actuator angle neutral point calibration and initialization after replacement.

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PROCEDURE


  1. PERFORM VGRS SYSTEM CALIBRATION


    1. Perform VGRS system calibration.

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      Chassis > VGRS > Utility
      Tester Display
      Steering Angle Adjust
      Result
      Result Proceed to
      Actuator angle neutral point calibration can be performed A
      Actuator angle neutral point calibration cannot be performed B

    A

    END

    B

    REPLACE VGRS ECU (FRONT STEERING CONTROL ECU) Click here