DESCRIPTION
These DTCs are stored when the clearance warning ECU*1 or parking assist ECU*2 can not receive and recognize several signals via the CAN
communication system.
* *1: w/o Side Monitor System
* *2: w/ Side Monitor System
HINT
When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harness of each ECU.
INSPECTION PROCEDURE
PROCEDURE
1. CHECK DTC OUTPUT
(a) Clear the DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Intuitive Parking Assist System.
(b) Check for DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Intuitive Parking Assist System.
Result:
B -- 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
A -- 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
Up to 08/2009
LIGHTING (EXT): LIGHTING SYSTEM: U0101,U0073,U0100,U0126,U0129,U0130,U0142,U0163,U0182,U1000,U1121: Lost
Communication with ECM
U1121 - Lost Communication with Driver Seat Module
DESCRIPTION
The DTCs are stored when the CAN communication system is malfunctioning.
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