( TL19E00K735000Y1776FAAT01 )

DTC Troubleshooting: B1776 - With NAV.

1. Check for continuity between the terminals shown of the Hands Free Telephone control unit 28P connector and the HFT/navigation microphone 7P connector.

Is there continuity?

YES | - | Go to Step 10 .
NO | - | Replace the faulty harness between the Hands Free Telephone control unit and the HFT/navigation microphone.■

1. Disconnect navigation unit connector C (16P).