CONFIRMATION STEP 1: AUDIO PANEL SWITCH CONFIRMATION [AUDIO]

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• Make sure the customer complain and identify either the center panel malfunction or audio unit malfunction.

How to activate audio panel switch confirmation mode

1. Turn the audio system to ON.

2. Press both POWER SW and CLOCK buttons for a second at the same time.

3. The audio panel switch confirmation mode is now activated.

STEP

INSPECTION

ACTION

1

•  Press each button on the center panel.

•  Does buzzer sound when pressing each button?

Yes

Make sure the customer complain and then go to the appropriate symptom troubleshooting procedure.

No

Go to the next step.

2

•  Disassemble and reassemble the center panel and audio unit.

•  Activate the audio panel switch confirmation mode.

•  Does buzzer sound when pressing each button?

Yes

Go to the next step.

No

Replace the center panel.

3

•  Does the audio system operate properly?.

Yes

The system is normal.

No

Make sure the customer complain and then go to the appropriate symptom troubleshooting procedure.

STEP	INSPECTION		ACTION
1	• Press each button on the center panel. • Does buzzer sound when pressing each button?	Yes	Make sure the customer complain and then go to the appropriate symptom troubleshooting procedure.
1		No	Go to the next step.
2	• Disassemble and reassemble the center panel and audio unit. • Activate the audio panel switch confirmation mode. • Does buzzer sound when pressing each button?	Yes	Go to the next step.
2		No	Replace the center panel.
3	• Does the audio system operate properly?.	Yes	The system is normal.
3	• Does the audio system operate properly?.	No	Make sure the customer complain and then go to the appropriate symptom troubleshooting procedure.