VARIABLE GEAR RATIO STEERING SYSTEM, Diagnostic DTC:C15C1/74, C15C2/74

DTC Code DTC Name
C15C1/74 Steering Angle Sensor
C15C2/74 Steering Angle Sensor B+

DESCRIPTION

The VGRS ECU (front steering control ECU) detects a steering sensor malfunction by receiving an error signal from the steering sensor via CAN communication. If the VGRS ECU (front steering control ECU) detects this error signal, it turns the master warning light on, and stores these DTCs.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition
C15C1/74 Steering Angle Sensor

All conditions are met:


  • 1 second or more after the power switch is turned on (IG).

  • Power source voltage at 10 to 16 V.

  • Information regarding a steering sensor internal malfunction is received via CAN communication for approximately 3 seconds or more.

 Steering sensor Comes on Power switch on (IG) again
C15C2/74 Steering Angle Sensor B+

All conditions are met:


  • 1 second or more after the power switch is turned on (IG).

  • Power source voltage at 10 to 16 V.

  • Information regarding a steering sensor internal malfunction (+B open circuit) is received via CAN communication for approximately 2 seconds or more.

 Steering sensor Comes on Power switch on (IG) again

CAUTION / NOTICE / HINT

Note

Since DTC C1B09/19 is stored in the DRS ECU (rear steering control ECU), after performing repairs on the VGRS system, clear the DTCs for the dynamic rear steering system. (When DTC C15C2/74 is stored, DTC C1B09/19 is not stored in the DRS ECU [rear steering control ECU]).

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PROCEDURE


  1. CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)


    1. Check for DTCs in the electronically controlled brake system.

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      Chassis > ABS/VSC/TRC > Trouble Codes
      Result
      Proceed to
      NEXT

    NEXT

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here