Navigation System (For HDD)

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HDD): U0073,U1110: Control Module Communication Bus Off
U1110 - Lost Communication with Clearance Warning ECU

DESCRIPTION

These DTCs are stored when a malfunction occurs in the CAN communication circuit.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC

(a) Clear the DTC Navigation System (for HDD).

(b) Recheck for DTCs and check if the same DTC is output again.

OK:

No DTCs are output.

NG -- GO TO CAN COMMUNICATION SYSTEM Problem Symptoms Table

OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting