Pinpoint Test L: The Audible Switch Feedback Is Inoperative

Information and Entertainment System

Pinpoint Tests

Pinpoint Test L: The Audible Switch Feedback Is Inoperative

Normal Operation

The audible switch feedback settings are controlled by the Audio Control Module (ACM). The audible switch feedback can be set to ALL, TOUCH SCREEN, or NONE depending on user preference.

This pinpoint test is intended to diagnose the following:

- Audible switch feedback setting
- ACM



PINPOINT TEST L: THE AUDIBLE SWITCH FEEDBACK IS INOPERATIVE

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L1 CHECK THE SWITCH DISPLAY


- Ignition ON.
- Turn the audio system on.
- Press the MENU button.
- Select the FEEDBACK tab.




- Is NONE highlighted on the audible feedback settings?

Yes
SELECT "ALL BUTTONS". TEST the system for normal operation.

No
GO to L2.

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L2 CHECK FOR CORRECT ACM OPERATION


- Disconnect all the ACM connectors.
- Check for:
- corrosion
- damaged pins
- pushed-out pins
- Connect all the ACM 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. REFER to Audio Control Module (ACM) - Fusion, Milan Audio Control Module (ACM) - Fusion, Milan or Audio Control Module (ACM) - MKZ . TEST the system for normal operation.

No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.

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