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

Information and Entertainment System

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

Refer to Wiring Diagram Set 130, Audio System/Navigation for schematic and connector information [1][2]Diagrams By Number.

Normal Operation

The voice-assisted route guidance is broadcast through the front speakers. The voice guidance volume can be adjusted using the settings on the Audio Front Control Module (ACM).

This pinpoint test is intended to diagnose the following:

- Incorrect voice guidance setting

- ACM (Audio Front Control Module)

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

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

W1 CHECK THE VOICE GUIDANCE SETTING

- Adjust the voice volume to approximately 50%. Refer to the Owner's Literature.

- Set a destination and start the route using the navigation controls. Refer to the Owner's Literature.

- Observe the voice guidance.

Does the voice guidance operate correctly?

Yes
The concern was caused by an incorrect customer setting. INSTRUCT the customer in the correct use of the voice guidance feature.

No
GO to W2.

W2 CHECK THE SPEAKER OUTPUT

- Carry out the speaker walk test. Refer to Audio Control Module (ACM) Self-Diagnostic Mode Service and Repair.

Do the front speakers operate correctly?

Yes
GO to W3.

No
GO to Pinpoint Test C Pinpoint Test C: Poor Quality/Distorted/No Sound From One Or More Speakers (Not All Speakers) - Except Subwoofers.

W3 CHECK FOR CORRECT ACM (Audio Front Control Module) OPERATION

- Disconnect all the ACM (Audio Front Control Module) connectors.

- Check for:
- corrosion

- damaged pins

- pushed-out pins


- Connect all the ACM (Audio Front Control Module) connectors and make sure they seat correctly.

- Operate the system and verify the concern is still present.

Is the concern still present?

Yes
INSTALL a new ACM (Audio Front Control Module). REFER to Audio Control Module (ACM) . TEST the system for normal operation after the repair.

No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.