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.  Switch the ignition to ACC or ON.

2.  Turn the audio unit power to ON.

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

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

STEP

INSPECTION

ACTION
1
•  Activate the audio panel switch inspection mode.
•  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 inspection mode.
•  Does buzzer sound when pressing each switch?
Yes
Go to the next step.
No
Replace the audio panel.
(See AUDIO UNIT REMOVAL/INSTALLATION.)
(See AUDIO 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.