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

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

How to activate center panel switch inspection mode

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 PRESET switch 3 for 0.2 s or more.

4.  The center panel switch inspection mode is now activated.

STEP

INSPECTION

ACTION
1
•  Press each switch on the center panel.
•  Does the buzzer sound when a switch is pressed?
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 center panel and audio unit.
•  Activate the center panel switch inspection mode.
•  Does the buzzer sound when a switch is pressed?
Yes
Go to the next step.
No
Replace the center panel.
(See CENTER PANEL UNIT REMOVAL/INSTALLATION.)
(See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)
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.