(a) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
(b) Clear the DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Pre-Collision System.
(c) Drive the vehicle.
(d) Recheck for DTCs.
OK:
DTC C1A47 is not output.
NG -- REPLACE DRIVING SUPPORT ECU See: Cruise Control/Cruise Control Module/Service and Repair/Removal
OK -- CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION
) 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
PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: C168B,C168C: AVC-LAN Communication Malfunction
DESCRIPTION
This DTC is stored if the parking assist ECU judges that there is a problem with the AVC-LAN communication system as a result of self check.
HINT
This DTC may be stored due to the battery condition or changes in the power supply waveform when starting the engine, even
though there is no problem with the AVC-LAN communication system.
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/Parking Assist Monitor 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/Parking Assist Monitor System.
Result:
HINT
- This DTC may be stored due to the battery condition or changes in the power supply waveform when starting the engine, even
though there is no problem with the AVC-LAN communication system.
- If DTC C168B or C168C is output frequently, duplicate the problem symptoms and perform the inspection again, even though
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