Navigation Frequently Asks For Code and Needs GPS Initialization

Navigation frequently asks for code and needs GPS initialization

1. Check for battery voltage on navigation unit connector C (8P) terminals No. 1 and No. 2.

Is there battery voltage?

YES - Go to step 2.

NO - Repair the circuits.




2. Check for continuity between navigation unit connector C (8P) terminal No. 4 and body ground.

Is there continuity?

YES - Replace the navigation unit.

NO - Repair the open in the circuit.