Dtc 5C-42 Steering Sensor Communication Error

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Park Assist Monitoring. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

INSPECTION PROCEDURE

CHECK TELEVISION CAMERA ECU COMMUNICATION STOP MODE

CHECK STEERING SENSOR COMMUNICATION STOP MODE

CHECK STEERING CONTROL ECU COMMUNICATION STOP MODE (3UZ-FE)

DTC 5C-42 Steering Sensor Communication Error


DESCRIPTION


DTC No.
DTC Detection Condition
Trouble Area
5C-42
  1. No signal is transmitted from steering sensor
  2. No signal is transmitted from steering control ECU (3UZ-FE Only)
  1. Wire harness and connector
  2. Television camera ECU
  3. Steering sensor
  4. Steering control ECU

INSPECTION PROCEDURE

1.CHECK TELEVISION CAMERA ECU COMMUNICATION STOP MODE
Refer to the television camera ECU communication stop mode (Click here).
If the television camera ECU communication circuit is operating normally, proceed to the next step.

NEXT


2.CHECK STEERING SENSOR COMMUNICATION STOP MODE
Refer to the steering sensor communication stop mode (Click here).
If the steering sensor communication circuit is operating normally, proceed to the next step (3UZ-FE only).
If the steering sensor communication circuit is operating normally, replace the steering sensor.

NEXT


3.CHECK STEERING CONTROL ECU COMMUNICATION STOP MODE (3UZ-FE)
Refer to the steering control ECU communication stop mode (Click here).
If the steering control ECU communication circuit is operating normally, replace the steering control ECU.

NEXT

REPLACE STEERING CONTROL ECU