DIAGNOSTIC ASSIST FUNCTION
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Structural View
Buttons
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No.
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Type A
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Type B
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1
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FM 1/2 button
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2
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AM button
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3
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CD button
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4
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MEDIA button
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5
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POWER/VOLUME button
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AUDIO CONT/TUNE/TEXT button
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6
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AUDIO CONT/TUNE/TEXT button
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POWER/VOLUME button
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7
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Preset button 1
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8
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Preset button 2
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9
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Preset button 3
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10
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Preset button 4
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11
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Preset button 5
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12
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Preset button 6
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13
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SEEK switch
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Fast-forward/Reverse switch
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14
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CLOCK switch
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15
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TA/AUTO-M switch
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SCAN/AUTO-M switch
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16
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AF/PTY switch
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SEEK switch
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Information Display Inspection
1. With the audio power on, press the POWER button and simultaneously pull up the SEEK switch for approx. 1s.
2. Inspect according to the following table:
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INSPECTION
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DISPLAY
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ACTION
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Start the information display inspection mode.
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The characters displayed on the information display are not truncated or faint.
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The information display is normal.
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Except above
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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. 1s.
2. Inspect according to the following table:
|
INSPECTION
|
DISPLAY
|
ACTION
|
|
• Start the speaker inspection mode.
With Bose
• Do all the speakers output sound?
Without Bose
• Does each speaker output sound in the following order?
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1. Front door speaker and tweeter (LH)
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2. Front door speaker and tweeter (RH)
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3. Rear speaker (LH)*1
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4. Rear speaker (RH)*1
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-
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Yes
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Speakers, and wiring harness between the base unit and speakers are normal.
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No
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• Inspect the following parts.
-
- Malfunctioning speaker
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- Wiring harness between base unit and malfunctioning speaker
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3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.
-
*1 :
May or may not be equipped, depending on the vehicle.
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
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• 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.
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• When inspecting, select a frequency band (radio station) with the best reception.
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INSPECTION
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DISPLAY
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ACTION
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Start the radio reception condition inspection mode.
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Antenna, antenna feeder and base unit are normal
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Change the frequency (radio station) and inspect again.
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Inspect the antenna and antenna feeder.
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• If either the antenna or the antenna feeder is not normal, replace the malfunctioning part.
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• If the antenna and antenna feeder are normal, replace the base unit.
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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:
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Inspection
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Display
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Action
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Start audio amplifier inspection mode.
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Speakers output sound.
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System is okay.
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Speakers do not output sound.
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Inspect following parts.
- Audio amplifier
- Speakers
- Wiring harness (Base unit-audio amplifier)
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|
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Replace base unit.
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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 AM button for approx. 1 s.
2. Inspect the antenna control conditon according to the following table:
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Inspection
|
Display
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Action
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|
Start antenna control condition inspection mode.
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Sound quality is good.
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System is okay.
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Sound quality is poor.
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Inspect following parts.
- Manual antenna
- Antenna feeder
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|
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Replace base unit.
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3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.