POWER STEERING SYSTEM (for 1VD-FTV with DPF), Diagnostic DTC:U0100, U0126, U0129, U0130

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0126 Lost Communication with Steering Angle Sensor Module
U0129 Lost Communication with Brake System Control Module
U0130 Lost Communication with Steering Effort Control Module

DESCRIPTION

The power steering ECU receives signals from the ECM, steering angle sensor, skid control ECU and steering control ECU via the CAN communication system.

DTC Code DTC Detection Condition Trouble Area
U0100 The engine speed signal is lost.

  • ECM

  • CAN communication system

  • Power steering ECU assembly
U0126 The steering angle signal is lost.

  • Steering angle sensor

  • CAN communication system

  • Power steering ECU assembly
U0129 The vehicle speed signal is lost.

  • Skid control ECU

  • CAN communication system

  • Power steering ECU assembly
U0130 The VGRS relative angle signal is lost.

  • Steering control ECU

  • CAN communication system

  • Power steering ECU assembly

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is not output. A
      DTC is output. for LHD B
      for RHD C

    B

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    C

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    A

    USE SIMULATION METHOD TO CHECK Click here