Test M: The Voice Guidance Is Inoperative/Does Not Operate Correctly

PINPOINT TEST M: THE VOICE GUIDANCE IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

Normal Operation
For the Audiophile navigation system, the audio control module (ACM) provides voice-assisted route guidance through the front speakers.

For the THX(R) navigation system, the ACM sends voice guidance audio signals to the audio digital signal processing (DSP) module through circuits RMN07 (VT) and VMN07 (GY). The voice-assisted route guidance is broadcast through the instrument panel speaker.

For all navigation audio systems, the volume of the voice guidance is controlled by the ACM.

This pinpoint test is intended to diagnose the following:
- Incorrect system setting
- Wiring, terminals or connectors (THX(R) only)
- DSP module (if equipped)
- ACM

M1:

M1-M4:

M4-M7: