Test C: Navigation System Does Not Operate Correctly - The Voice Guidance Is Inoperative/Does Not Operate Correctly

PINPOINT TEST C: NAVIGATION SYSTEM DOES NOT OPERATE CORRECTLY - THE VOICE GUIDANCE IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

C1-C2:

C2-C3:

C4-C5:

C5 Continued:

C6-C8:

C9:

Normal Operation
The navigation module provides voice-assisted route guidance to the audio unit through the audio circuits 1530 (LB) and 1531 (LG). The volume of the voice guidance is controlled by the audio unit.

Possible Causes
- Circuit 1530 (LB) open, short to ground or voltage
- Circuit 1531 (LG) open, short to ground or voltage
- Audio unit
- Navigation module