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. (With CD changer)

3.  While pressing the POWER/VOLUME switch, simultaneously press the RDM/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 switch the ignition to off.

Speaker Inspection

Using the M-MDS

1.  Connect the M-MDS (IDS) to the DLC-2.

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2.  After the vehicle is identified, select the following items from the initialization screen of the IDS.

1.  Select “Electrical”.

2.  Select “Audio”.

3.  Select “Audio Speaker Walkaround Test”.

3.  Perform the procedure according to the directions on the screen.

Without Using M-MDS

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-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) and tweeter (LH) 2.  Front door speaker (RH) and tweeter (RH) 3.  Rear door speaker (RH) 4.  Rear door speaker (LH) With Bose® 1.  Front door speaker (LH) and tweeter (LH) and front center speaker 2.  Front door speaker (RH) and tweeter (RH) and front center speaker 3.  Rear door speaker (RH) and rear speaker (RH) and rear center speaker (4SD)/Bass-box (5HB) 4.  Rear door speaker (LH) and rear speaker (LH) and rear center speaker (4SD)/Bass-box (5HB)	―	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 switch the ignition to off.

Radio Reception Condition Inspection

Using the M-MDS

1.  Connect the M-MDS (IDS) to the DLC-2.

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2.  After the vehicle is identified, select the following items from the initialization screen of the IDS.

1.  Select “Electrical”.

2.  Select “Audio”.

3.  Select “AM Antenna Reception Sensitivity Test”.

3.  Perform the procedure according to the directions on the screen.

Without Using M-MDS

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 RPT/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.	LEV 10 ― LEV 5	Glass antenna, antenna amplifier, antenna feeder and audio unit are normal.
	LEV 4 ― LEV 3	Change frequencies and re-perform the inspection.
	LEV 2 ― LEV 0	Inspect the glass antenna and antenna amplifier and antenna feeder. (See GLASS ANTENNA INSPECTION.) (See ANTENNA AMPLIFIER INSPECTION.) (4SD) (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.) (with RDS (radio data system)) (See ANTENNA FEEDER NO.3 INSPECTION.) (See ANTENNA FEEDER NO.4 INSPECTION.) (See ANTENNA FEEDER NO.5 INSPECTION.) (with RDS (radio data system)) (See ANTENNA FEEDER NO.6 INSPECTION.) (See ANTENNA FEEDER NO.7 INSPECTION.) (5HB, with RDS (radio data system)) •  If either the glass antenna or the antenna amplifier or the antenna feeder is not normal, replace the malfunctioning part. (See FILAMENT REPAIR.) (See ANTENNA AMPLIFIER REMOVAL/INSTALLATION.) (4SD) (See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION.) (with RDS (radio data system)) (See ANTENNA FEEDER NO.3 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.4 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.5 REMOVAL/INSTALLATION.) (with RDS (radio data system)) (See ANTENNA FEEDER NO.6 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.7 REMOVAL/INSTALLATION.) (5HB, with RDS (radio data system)) •  If the glass antenna and antenna feeder 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 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 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 glass antenna and antenna amplifier and antenna feeder. (See GLASS ANTENNA INSPECTION.) (See ANTENNA AMPLIFIER INSPECTION.) (4SD) (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.) (with RDS (radio data system)) (See ANTENNA FEEDER NO.3 INSPECTION.) (See ANTENNA FEEDER NO.4 INSPECTION.) (See ANTENNA FEEDER NO.5 INSPECTION.) (with RDS (radio data system)) (See ANTENNA FEEDER NO.6 INSPECTION.) (See ANTENNA FEEDER NO.7 INSPECTION.) (5HB, with RDS (radio data system)) •  If either the glass antenna or the antenna amplifier or the antenna feeder is not normal, replace the malfunctioning part. (See FILAMENT REPAIR.) (See ANTENNA AMPLIFIER REMOVAL/INSTALLATION.) (4SD) (See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.2 REMOVAL/INSTALLATION.) (with RDS (radio data system)) (See ANTENNA FEEDER NO.3 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.4 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.5 REMOVAL/INSTALLATION.) (with RDS (radio data system)) (See ANTENNA FEEDER NO.6 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.7 REMOVAL/INSTALLATION.) (5HB, with RDS (radio data system)) •  If the glass antenna and antenna feeder 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 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.  While pressing the AUTO-M switch, simultaneously press the CD switch for 3 s or more.

Note

•  The AUTO-M function operates when the AUTO-M switch is pressed, however, press and hold it until the audio amplifier control condition inspection launches.

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 control condition inspection mode.	AMP―ON	System is okay.
	AMP―OFF	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 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-M switch, simultaneously press the PRESET switch 1 for 3 s or more.

Note

•  The AUTO-M function operates when the AUTO-M switch is pressed, however, press and hold it until the audio amplifier control condition inspection launches.

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	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 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/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.  To stop the diagnostic assist function, ignition is switched to off.

Audio Amplifier (With Bose^®) Identify 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 PRT/PRESET switch 2 and AUTO-M switch for 3 s or more.

Note

•  The AUTO-M function operates when the AUTO-M switch is pressed, however, press and hold it until the dial inspection launches.

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	—	ACTION
•  Launch the audio amplifier (With Bose®) identify inspection mode. •  Dose the audio amplifier specification correspond.	With normal seat The rear door speaker sounds. With leather seat The front door speaker sounds.	Yes	Audio amplifier is okay.
		No	Replace the audio amplifier. (See AUDIO AMPLIFIER REMOVAL/INSTALLATION.)

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