Mazda 6 2002 Workshop Manual page 1030

Audio Amplifier (Eternal) Inspection
1. With audio on, first press the POWER button, then simultaneously press the SCAN button for approimately 1
second.
2. Inspect the audio amplifier (eternal) according to the following table:
Inspection
Start audio amplifier
(eternal) inspection mode.
3. Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.
End Of Sie
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ON-BOARD DIAGNOSTIC [AUDIO]
Display
Speakers output System is okay.
sound.
Speakers do not Inspect following parts.
output sound. • Audio amplifier (eternal)
• Speakers
• Woofer relay
• Wiring harness
Replace base unit.
Action
(base unit—audio amplifier
(eternal)—Woofer relay)