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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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DTC INSPECTION [AUDIO UNIT]

NOTE:

  • The audio system DTC can be verified using the on-board diagnostic test mode to activate the on-board diagnostic function by operating audio unit.

  • All of DTCs displayed by the DTC inspection is recorded in the audio repair order form.

  • If an audio unit malfunction is suspected, select [For Audio Unit] below.

  • If a Bluetooth® unit malfunction is suspected, select [For Bluetooth® Unit] below. (With Bluetooth® unit)

  • If a CD player malfunction is suspected, select [For CD Player] below.

For Audio Unit

1. Switch the ignition to ACC or ON (engine off or on).
2. Turn the audio unit power off.
3. While pressing the POWER/VOLUME button, press the MEDIA/SCAN button and FM/AM/CLOCK button for 3 s or more.

  • If a DTC is displayed, repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [AUDIO UNIT].)

NOTE:

  • A maximum of 3 DTCs are displayed.

  • If several DTCs are displayed, press the TUNE button to switch the display.

  • If there are no DTCs, "No Err" is displayed.

4. After completion of repairs, clear all DTCs are stored in the audio unit. (See CLEARING DTC [AUDIO UNIT].)

For Bluetooth® Unit

NOTE:

  • To inspect a Bluetooth® unit DTC, it is necessary for vehicles with the Bluetooth® unit and the audio unit to recognize that the Bluetooth® unit is connected.

1. Switch the ignition to ACC or ON (engine off or on).
2. While pressing the POWER/VOLUME button, press the Preset button 4 and FOLDER button (down) for 3 s or more.

  • If a DTC is displayed, repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [AUDIO UNIT].)

NOTE:

  • A maximum of 12 DTCs can be displayed.

  • If several DTCs are displayed, press the TUNE button to switch the display.

  • If there are no DTCs, "No Err" is displayed.

  • If the TUNE button (down) is operated while the last DTC or "No Err" is displayed, the software version is displayed.

  • If the TUNE button (down) is operated while the software version is displayed, the connected unit information is displayed.

3. After completion of repairs, clear all DTCs. (See CLEARING DTC [AUDIO UNIT].)

For CD Player

NOTE:

  • To inspect a CD player DTC, it is necessary for vehicles with the CD player and the audio unit to recognize that the CD player is connected.

1. Switch the ignition to ACC or ON (engine off or on).
2. While pressing the AUTO-M button, press the Preset button 5 for 3 s or more.

  • If a DTC is displayed, repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [AUDIO UNIT].)

NOTE:

  • A maximum of 3 DTCs can be displayed.

  • If several DTCs are displayed, press the TUNE button to switch the display.

  • If there are no DTCs, "No Err" is displayed.

  • If the TUNE button (down) is operated while the last DTC or "No Err" is displayed, the software version of the CD player is displayed.

3. After completion of repairs, clear all DTCs stored in the CD player. (See CLEARING DTC [AUDIO UNIT].)
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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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