Control Module Communication Bus OFF - Active Torque Control 4WD System

MF1A TRANSFER / 4WD / AWD: ACTIVE TORQUE CONTROL 4WD SYSTEM: U0073/86,U0100/85,U0129/83: Control Module Communication Bus OFF
U0129/83 - Lost Communication with Brake System Control Module

DESCRIPTION

* The 4WD control ECU inputs the signals sent from the ECM and skid control ECU 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 FOR DTC

(a) Check for DTC .

(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.

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