CONFIRMATION STEP 1: AUDIO PANEL SWITCH CONFIRMATION [ENTIRE AUDIO SYSTEM]

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• Verify the customer complaint and identify either the audio panel malfunction or audio unit malfunction.

How to activate audio panel switch inspection mode

1. Launch the switch inspection mode. (See DIAGNOSTIC ASSIST FUNCTION [AUDIO].)

2. The audio panel switch inspection mode is now activated.

STEP | INSPECTION | ACTION
--- | --- | ---
1 | • Press each switch on the audio panel. • Does buzzer sound when pressing each switch? | Yes | Verify the customer complaint and then go to the appropriate symptom troubleshooting procedure.
No | Go to the next step.
2 | • Disassemble and reassemble the audio panel and audio unit. • Activate the audio panel switch confirmation mode. • Does buzzer sound when pressing each switch? | Yes | Go to the next step.
No | Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)
3 | Does the audio system operate properly? | Yes | The system is normal.
No | Verify the customer complaint and then go to the appropriate symptom troubleshooting procedure.