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
•  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

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® 1.  Front door speaker (LH) and tweeter (LH) (with 6 speaker type) 2.  Front door speaker (RH) and tweeter (RH) (with 6 speaker type) 3.  Rear door speaker (RH) 4.  Rear door speaker (LH) With Bose® 1.  Front door speaker (LH) and tweeter (LH) and center speaker 2.  Front door speaker (RH) and tweeter (RH) and center speaker 3.  Rear door speaker (RH) and rear speaker (4SD) /bass-box (5HB/WGN) 4.  Rear door speaker (LH) and rear speaker (4SD) /bass-box (5HB/WGN)	―	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

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:

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 (AM 522 kHz reception)	Action
Start the radio reception condition inspection mode.		Glass antenna, antenna feeder and audio unit are normal.
		Change frequencies and re-perform the inspection.
		Inspect the glass antenna and antenna feeder and antenna amplifier. (See GLASS 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.) (WGN) (See ANTENNA AMPLIFIER INSPECTION.) (5HB/WGN) •  If either the glass antenna or the antenna feeder is not normal, replace the malfunctioning part. (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.) (WGN) (See ANTENNA AMPLIFIER REMOVAL/INSTALLATION.) (5HB/WGN) •  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 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.		Sound quality good.	System is okay.
		Sound quality poor.	Inspect the glass antenna and antenna feeder and antenna amplifier. (See GLASS 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.) (WGN) (See ANTENNA AMPLIFIER INSPECTION.) (5HB/WGN)
		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.  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.		System is okay.
		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.

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?		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 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.		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 switch the ignition to off.