DIAGNOSTIC ASSIST FUNCTION [AUDIO]
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Switch Inspection
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 Preset switch “3” for approx. 0.2 s.
With RDS (radio data system)
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Without RDS (radio data system)
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4. Inspect according to the following table:
Inspection |
Display |
Action |
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---|---|---|---|
• Launch the switch inspection mode.
• Operate all of the switches (press).
• Does the buzzer sound?
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―
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Yes
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The switch is normal.
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No
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Verify the switch.
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5. Cancel the diagnostic assist function by either turning off the audio unit power or by switch the ignition to off.
Speaker Inspection
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 AUTO MEMORY switch for approx. 0.2 s.
With RDS (radio data system)
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Without RDS (radio data system)
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4. Inspect according to the following table:
Inspection |
Display |
Action |
|
---|---|---|---|
• Launch the speaker inspection mode.
• Does each speaker output sound in the following order?:
Without Bose®
With Bose®
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―
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Yes
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The speakers and the wiring harness between the audio unit and speakers are normal.
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No
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• If no sound is produced from all of the speakers.
• If no sound is produced from some of the speakers.
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5. Cancel the diagnostic assist function by either turning off the audio unit power or by switch the ignition to off.
Radio Reception Condition Inspection
1. Switch the ignition to ACC or ON.
2. Turn the audio unit power to on.
3. Tune in the radio.
4. While pressing the POWER/VOLUME switch, simultaneously press the Preset switch “2” for approx. 0.2 s.
With RDS (radio data system)
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Without RDS (radio data system)
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5. Inspect according to the following table:
Inspection |
Display (AM 522 kHz reception) |
Action |
---|---|---|
Start the radio reception condition inspection mode.
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Glass antenna, antenna feeder and audio unit are normal.
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Change frequencies and re-perform the inspection.
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Inspect the glass antenna and antenna feeder and antenna amplifier.
(See GLASS ANTENNA INSPECTION.)
(See ANTENNA FEEDER NO.4 INSPECTION.) (WGN)
(See ANTENNA AMPLIFIER INSPECTION.) (5HB/WGN)
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6. Cancel the diagnostic assist function by either turning off the audio unit power or by switch the ignition to off.
Antenna Control Condition Inspection
1. Switch the ignition to ACC or ON.
2. Turn the audio unit power to on.
3. Tune in the radio.
4. While pressing the POWER/VOLUME switch, simultaneously press the AM switch for approx. 0.2 s or more.
With RDS (radio data system)
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Without RDS (radio data system)
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5. Inspect according to the following table:
Inspection |
Display |
Action |
|
---|---|---|---|
Start antenna control condition inspection mode.
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Sound quality good.
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System is okay.
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Sound quality poor.
|
Inspect the glass antenna and antenna feeder and antenna amplifier.
(See GLASS ANTENNA INSPECTION.)
(See ANTENNA FEEDER NO.4 INSPECTION.) (WGN)
(See ANTENNA AMPLIFIER INSPECTION.) (5HB/WGN)
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Replace the audio unit.
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6. Cancel the diagnostic assist function by either turning off the audio unit power or by switch the ignition to off.
Audio Amplifier Control Condition Inspection
1. Switch the ignition to ACC or ON.
2. Turn the audio unit power to on.
3. Tune in the radio.
4. While pressing the AUTO MEMORY switch, simultaneously press the CD switch for approx. 0.2 s or more.
With RDS (radio data system)
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Without RDS (radio data system)
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5. Inspect according to the following table:
Inspection |
Display |
Action |
---|---|---|
Start audio amplifier control condition inspection mode.
|
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System is okay.
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Replace the audio unit.
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6. Cancel the diagnostic assist function by either turning off the audio unit power or by switch the ignition to off.
Dial Inspection
1. Switch the ignition to ACC or ON.
2. Turn the audio unit power to on.
3. While pressing the AUTO MEMORY switch, simultaneously press the preset switch “1” for approx. 2 s or more.
With RDS (radio data system)
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Without RDS (radio data system)
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4. Inspect according to the following table:
Inspection |
Display |
Action |
|
---|---|---|---|
• Launch the dial inspection mode.
• Operate all of the dial.
• Does the dial rotation direction correspond with the direction displayed in information display?
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Yes
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Dial is okay.
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No
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Verify the switch.
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5. Cancel the diagnostic assist function by either turning off the audio unit power or by switch the ignition to off.
Audio Amplifier Specification Inspection
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 SEEK switch (down) for approx. 2 s or more.
With RDS (radio data system)
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Without RDS (radio data system)
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4. Inspect according to the following table:
Inspection |
Display |
Action |
|
---|---|---|---|
• Launch audio amplifier specification inspection mode.
• Verify the audio amplifier specification.
• Dose the audio amplifier specification correspond.
|
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Yes
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System is okay.
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No
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Replace the audio unit.
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5. Cancel the diagnostic assist function by either turning off the audio unit power or by switch the ignition to off.