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Last Modified: 11-27-2007 1.6 C
Service Category: Steering Section: Steering Column
Model Year: 2008 Model: LX570 Doc ID: RM000002OIU00AX
Title: VARIABLE GEAR RATIO STEERING: VARIABLE GEAR RATIO STEERING SYSTEM: DESCRIPTION (2008 LX570)

DTC

U0100/56

Lost Communication with ECM / PCM "A"

DTC

U0122/56

Lost Communication with Vehicle Dynamics Control Module

DTC

U0126/56

Lost Communication with Steering Angle Sensor Module

DESCRIPTION

The steering control ECU receives signals from the skid control ECU, ECM and steering angle sensor via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system first.

DTC Code

DTC Detection Condition

Trouble Area

U0100/56

The steering control ECU detects an error in reception (from ECM) via CAN communication.
  • CAN communication system
  • ECM

U0122/56

The steering control ECU detects an error in reception (from skid control ECU) via CAN communication.
  • CAN communication system
  • Skid control ECU

U0126/56

The steering control ECU detects an error in reception (from steering angle sensor) via CAN communication.
  • CAN communication system
  • Steering angle sensor

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK DTC

(a) Using the Techstream, check if the CAN communication system is functioning normally NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM (2008 LX570) .

Result

Result

Proceed to

DTC is not output

A

DTC is output

B
A