Operation CHARM: Car repair manuals for everyone.

Navigation System





NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: U0073, U0100, U0126, U0155, U0164, U1110: Control Module Communication Bus Off
U1110 - Lost Communication with Clearance Warning ECU

DESCRIPTION

These DTCs are stored when a CAN communication circuit malfunction is detected by the display and navigation module display self-check.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Check for DTCs and check if the same trouble occurs again.

OK:

No DTCs are output.

NG -- GO TO CAN COMMUNICATION SYSTEM CAN Communication System

OK -- USE SIMULATION METHOD TO CHECK Electronic Circuit Inspection Procedure