DIAGNOSTIC ASSIST FUNCTION [AUDIO]SM2445919
DIAGNOSTIC ASSIST FUNCTION [AUDIO]

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Switch Inspection

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.

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 switch inspection mode.
• Operate all of the switches (press).
• Does the buzzer sound?
―
Yes
The switch is normal.
No
Verify the switch.
(See CONFIRMATION STEP 1: AUDIO PANEL SWITCH CONFIRMATION [ENTIRE AUDIO SYSTEM].)

5.Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.


Speaker Inspection

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 AUTO-M switch for 0.2 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 speaker inspection mode.
• Does each speaker output sound in the following order?:
Without Bose ®
1. Front door speaker (LH)
2. Front door speaker (RH)
3. Rear door speaker (RH)
4. Rear door speaker (LH)
With Bose ®
1. Front door speaker (LH)
2. Front speaker (LH)
3. Center speaker
4. Front door speaker (RH)
5. Front speaker (RH)
6. Rear door speaker (RH)
7. Rear speaker (RH)
8. Rear speaker (LH)
9. Rear door speaker (LH)
―
Yes
The speakers and the wiring harness between the audio unit and speakers are normal.
No
• If no sound is produced from all of the speakers. (See NO.3 NO SOUND FROM ALL SPEAKERS [ENTIRE AUDIO SYSTEM].)
• If no sound is produced from some of the speakers. (See NO.4 NO SOUND FROM SOME SPEAKERS [ENTIRE AUDIO SYSTEM].)

5.Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.


Radio Reception Condition Inspection

1.Turn the ignition switch to the ACC or ON position.

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 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:

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 performing the inspection, select the best area for receiving radio frequencies.

INSPECTION

DISPLAY

ACTION
Launch the radio reception condition inspection mode.
S-METER 9 ― S-METER 5
Center roof antenna, antenna feeder, glass antenna (with RDS (radio data system)), and audio unit are normal.
S-METER 4 ― S-METER 3
Change frequencies and re-perform the inspection.
S-METER 2 ― S-METER 0
Inspect the center roof antenna, antenna feeder, and glass antenna (with RDS (radio data system)). (See CENTER ROOF ANTENNA INSPECTION.) (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.) (See ANTENNA FEEDER NO.3 INSPECTION.) (See ANTENNA FEEDER NO.4 INSPECTION.) (with RDS (radio data system)) (See GLASS ANTENNA INSPECTION.) (with RDS (radio data system))
• If either the center roof antenna, antenna feeder, and glass antenna (with RDS (radio data system)) is not normal, replace the malfunctioning part. (See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.3 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.4 REMOVAL/INSTALLATION.) (with RDS (radio data system)) (See FILAMENT REPAIR.) (with RDS (radio data system))
• If the center roof antenna, antenna feeder, and glass antenna (with RDS (radio data system)) are normal, replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)

6.Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.


Antenna Control Condition Inspection

1.Turn the ignition switch to the ACC or ON position.

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 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
Launch the antenna control condition inspection mode.
ANT―ON
Sound quality good.
System is okay.
Sound quality poor.
Inspect the center roof antenna, antenna feeder, and glass antenna (with RDS (radio data system)). (See CENTER ROOF ANTENNA INSPECTION.) (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.) (See ANTENNA FEEDER NO.3 INSPECTION.) (See ANTENNA FEEDER NO.4 INSPECTION.) (with RDS (radio data system)) (See GLASS ANTENNA INSPECTION.) (with RDS (radio data system))
• If either the center roof antenna, antenna feeder, and glass antenna (with RDS (radio data system)) is not normal, replace the malfunctioning part. (See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.3 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.4 REMOVAL/INSTALLATION.) (with RDS (radio data system)) (See FILAMENT REPAIR.) (with RDS (radio data system))
• If the center roof antenna, antenna feeder, and glass antenna (with RDS (radio data system)) are normal, replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION.)
ANT―OFF
Replace the audio unit.
(See AUDIO UNIT REMOVAL/INSTALLATION.)

6.Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.


Audio Amplifier Specification Inspection

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 SEEK/TRACK switch (down) for 3 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 audio amplifier specification inspection mode.
• Verify the audio amplifier specification.
• Dose the audio amplifier specification correspond.
Without Bose ®
• N (Normal)
With Bose ®
• L (Line out)
Yes
System is okay.
No
Replace the audio unit.
(See AUDIO UNIT REMOVAL/INSTALLATION.)

5.Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.


Dial Inspection

1.Turn the ignition switch to the ACC or ON position.

2.Turn the audio unit power to ON.

3.While pressing the AUTO-M switch, simultaneously press the RPT/PRESET switch 1 for 3 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?
→
←
Yes
Dial is okay.
No
Replace the audio unit.
(See AUDIO UNIT REMOVAL/INSTALLATION.)

5.Cancel the diagnostic assist function by either turning off the audio unit power or by turning the ignition switch to the LOCK position.