(b) Recheck for DTCs and check if the same DTC is output again.
OK:
No DTCs are output.
NG -- GO TO CAN COMMUNICATION SYSTEM See: Powertrain Management/Computers and Control Systems/Information
Bus/Testing and Inspection/Initial Inspection and Diagnostic Overview/CAN Communication System/How to Proceed With
Troubleshooting
OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
Up to 08/2009
MF1A TRANSFER / 4WD / AWD: ACTIVE TORQUE CONTROL 4WD SYSTEM: U0073,U0100,U0129: Control Module
Communication Bus Off
U0129 - Lost Communication with Brake System Control Module
DESCRIPTION
* The 4WD 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 DTCs See: Transmission and Drivetrain/Transfer Case/Testing and Inspection/Reading and Clearing Diagnostic Trouble
Codes.
(b) Record the output DTCs (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 See: Diagnostic Trouble Code Descriptions/CAN Communication System
From 08/2009
MF1A TRANSFER / 4WD / AWD: ACTIVE TORQUE CONTROL 4WD SYSTEM: U0073,U0100,U0129: Control Module
Communication Bus Off
U0129 - Lost Communication with Brake System Control Module
DESCRIPTION
* The 4WD 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
No comments:
Post a Comment