Dtc C15C1/74 Steering Angle Sensor Malfunction

Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Steering Column. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC

CHECK DTC

DTC C15C1/74 Steering Angle Sensor Malfunction

DTC C15C2/74 Steering Angle Sensor B+ Malfunction


DESCRIPTION

The steering control ECU detects a steering angle sensor malfunction by receiving an error signal from the steering angle sensor via CAN communication. If the steering control ECU detects this error signal, it will turn the master warning light on, store these DTCs, and stop VGRS operation.

DTC No.
DTC Detecting Condition
 Trouble Area
C15C1/74
The steering control ECU receives a steering angle sensor malfunction signal via CAN communication.
  1. Steering angle sensor
  2. Steering angle sensor
  3. Steering control ECU
C15C2/74
The steering control ECU receives a B+ open circuit signal from the steering angle sensor via CAN communication.
  1. Steering angle sensor
  2. Steering angle sensor
  3. Steering control ECU

WIRING DIAGRAM


Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System. Dtc C15C1/74 Steering Angle Sensor Malfunction


INSPECTION PROCEDURE

1.CHECK DTC

  1. Check for DTCs in the skid control ECU (Click here).

    OK:
    DTC is not output.


NG
REPAIR CIRCUIT INDICATED BY DTC OUTPUT
OK


2.CHECK DTC

  1. Check for DTCs in the CAN communication system (Click here).

    Result:

    Result
    		Proceed to
    DTC is not output.
    		A
    DTC is output.
    		B


B
REPAIR CIRCUIT INDICATED BY DTC OUTPUT
A

REPLACE STEERING CONTROL ECU