Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics

DIAGNOSTIC ASSIST FUNCTION [AUDIO]

Structural View
Buttons






Information Display Inspection
1. With the audio power on, press the POWER button and simultaneously pull up the SEEK switch for approx. 1 s.
2. Inspect according to the following table:






3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.

Speaker Inspection
1. With the audio power on, press the POWER button and simultaneously press down the SCAN/AUTO-M switch for approx. 1 s.
2. Inspect according to the following table:






3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.

Radio Reception Condition Inspection
1. With the audio power on and at radio mode, press the POWER button and simultaneously press the Preset 2 button for approx. 1 s.
2. Inspect according to the following table:

CAUTION:
- Even if the system is normal, radio reception may be difficult depending on where the system is inspected (indoors/outdoors, or conditions at the location). Before inspecting the system, verify that radio reception is adequate.
- When inspecting, select a frequency band (radio station) with the best reception.







3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.

Audio amplifier (external) inspection (Vehicles with Bose)
1. With the audio power on, press the POWER button and simultaneously pull up the SCAN/AUTO-M switch for approx. 1 s.
2. Inspect the audio amplifier (external) according to the following table:






3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.

Antenna control condition inspection
1. With the audio power on and at radio mode, press the POWER button and simultaneously press the SAT button (Type A)/AM button (Type B) for approx. 1 s.
2. Inspect the antenna control condition according to the following table:






3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.