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

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•  Verify the customer complaint and identify the malfunction as occurring from either the audio panel or the base unit.

How to activate audio panel switch confirmation mode


Without display

1.  Turn the ignition switch to the ACC or ON position.

2.  Turn the audio unit power to ON.

3.  While pressing the POWER/VOLUME switch, simultaneously press the CLOCK switch 3 for 0.2 s or more.

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


With display

1.  Turn the ignition switch to the ACC or ON position.

2.  Turn the audio unit power to ON.

3.  While pressing the POWER/VOLUME switch, simultaneously press the Selection switch 3 for 0.5 s or more.

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

STEP

INSPECTION

ACTION
1
•  Press each switch on the audio unit.
•  Does the buzzer sound when a switch is pressed?
Yes
Verify the customer complaint and then go to the appropriate symptom troubleshooting procedure.
No
without display
•  Go to the next step.
with display
•  Replace the audio unit.
2
•  Disassemble and reassemble the audio panel and base unit.
•  Activate the audio panel switch confirmation mode.
•  Does the buzzer sound when a switch is pressed?
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.