Operation CHARM: Car repair manuals for everyone.

Part 6: Check Microphone Operation

Part 6: Check Microphone Operation Using the vehicles on-board Systems Diagnostic Menu.

1. Turn ON the ignition and turn the audio system OFF.





2. Put the AV system into System Diagnostic Mode:

a. Press and hold the SETTING button.

b. While holding the SETTING button, turn the volume control knob 40 clicks or more.

^ The volume control knob can be turned either direction.





^ When the system goes into the System Diagnostic Menu, the screen in Figure M11 will display.

3. Select Confirmation/Adjustment.





4. Select Handsfree Phone.

NOTE:
Use the scroll arrow to find Handsfree Phone.





5. Select Voice Microphone Test.

^ A "feedback" noise will come from the system speakers as confirmation of microphone operation.

^ If you speak, you should hear your voice coming from the system speakers. This is further confirmation of microphone operation.

6. Reboot Multi AV system by cycling the ignition OFF for 10 seconds, then back ON.

7. Reset the customers radio stations presets.

The Service Procedure is complete, but you may need to adjust the system for customer preference:

Adjust outgoing call volume to a level that is suitable for the customers voice as follows:





A. Press the SETTING button on the control panel.

B. Select Volumes & Beeps.





C. Adjust the Outgoing Call volume to the customers preference.

^ If extremely loud talker, set to level 1 (-).

^ If moderately loud talker, set to level 2.

^ If normal loud talker, set to level 3.

^ If moderately quiet talker, set to level 4.

^ If quiet talker, set to level 5 (+).