DIAGNOSTIC ASSIST FUNCTION [HANDS-FREE TELEPHONE (HF/TEL) SYSTEM]

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With Audio Unit

Starting procedure

1.  Launch the on-board diagnostic test mode. (See STARTING PROCEDURE FOR ON-BOARD DIAGNOSTIC TEST MODE [HANDS-FREE TELEPHONE (HF/TEL) SYSTEM].)

2.  To stop the on-board diagnostic test mode, turn the ignition switch to the LOCK position.

Diagnostic assist code table

Content/function
Software version verification
Connection condition verification
Password Reset

Software version verification

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

2.  Turn the audio power to OFF.

3.  While pressing the POWER/VOLUME switch, simultaneously press the PRESET switch 6 and the SEEK switch (down) for 3 s or more.

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4.  Verify the software version.

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5.  To stop the on-board diagnostic test mode, to the LOCK position.

Connection condition verification

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

2.  Turn the audio power to OFF.

3.  While pressing the POWER/VOLUME switch, simultaneously press the PRESET switch 4 and the SEEK switch (down) for 3 s or more.

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4.  Verify the connected unit

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5.  To stop the on-board diagnostic test mode, turn the ignition switch to the LOCK position.

Password Reset

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

2.  Turn the audio power to OFF.

3.  While pressing the POWER/VOLUME switch, simultaneously press the PRESET switch 5 and the SEEK switch (down) for 3 s or more.

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4.  Verify that “PASSWD CLEAR” is displayed in the information display.

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5.  To stop the on-board diagnostic test mode, turn the ignition switch to the LOCK position.

With Car-navigation Unit

Starting procedure

1.  Turn ignition switch to ACC or ON position.

2.  Turn the audio power to ON.

3.  While pressing the POWER/VOLUME switch, simultaneously press the TUNE/AUDIO switch for 1 s or more.

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4.  Press the “Diagnostic assist code input switch”, and input the diagnostic assist code.

5.  Select “ENTER”.

6.  Press the POWER/VOLUME switch to return to the diagnostic assist code input screen.

7.  Press the POWER/VOLUME switch to release the diagnostic assist function.

Diagnostic assist code input screen

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No.	Name	Content/function
1	Diagnostic assist code	Display the diagnostic assist code.
2	Diagnostic assist code input switch	Input the diagnostic assist code.
3	DEL	Diagnostic assist code clear
4	Diagnostic content	Display the diagnostic content.
5	ENTER	Go to the diagnostic assist function.

Diagnostic assist code table

No.	Content/function
37	Diagnostic assist code “37” Connection condition verification
38	Diagnostic assist code “38” Software version verification
39	Diagnostic assist code “39” Password reset

Diagnostic assist code “37” Connection condition verification

1.  Press the “Diagnostic assist code input switch”, and input the diagnostic assist code “37”.

2.  Select “ENTER”.

Inspection	Display	Measures
•  Launch the connection condition verification mode. •  Verify the connection condition.	AVN CONNECT	The HF/TEL unit connection condition is normal.
	AVN CON ERR	Verify the HF/TEL unit connection condition. (See HANDS-FREE TELEPHONE (HF/TEL) UNIT REMOVAL/INSTALLATION.)

3.  Press the POWER/VOLUME switch to return to the diagnostic assist code input screen.

4.  Press the POWER/VOLUME switch to release the diagnostic assist function.

Diagnostic assist code “38” Software version verification

1.  Press the “Diagnostic assist code input switch”, and input the diagnostic assist code “38”.

2.  Select “ENTER”.

Inspection	Display	Measures
•  Launch the software version verification mode. •  Software version verification.	Display the software version.	—

3.  Press the POWER/VOLUME switch to return to the diagnostic assist code input screen.

4.  Press the POWER/VOLUME switch to release the diagnostic assist function.

Diagnostic assist code “39” Password reset

1.  Press the “Diagnostic assist code input switch”, and input the diagnostic assist code “39”.

2.  Select “ENTER”.

Inspection	Display	Measures
•  Launch the password reset mode.	PASSWD CLEAR	—

3.  Press the POWER/VOLUME switch to return to the diagnostic assist code input screen.

4.  Press the POWER/VOLUME switch to release the diagnostic assist function.