Four Wheel Drive Control System

UF1AE TRANSFER: FOUR WHEEL DRIVE CONTROL SYSTEM: U0073/86, U0100/85, U0122/83, U0126/84: Control Module Communication Bus OFF
U0126/84 - Lost Communication with Steering Angle Sensor Module

DESCRIPTION

* The 4WD control ECU inputs the signals sent from the ECM, skid control ECU, and steering angle sensor via the CAN communication system.

* When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC

(a) Check DTC Reading and Clearing Diagnostic Trouble Codes.

(b) Record the output DTC (4WD control system).

HINT
When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.

NEXT -- GO TO CAN COMMUNICATION SYSTEM