Mazda 2002 6 Workshop Manual page 1086

Audio Amplifier (External) Inspection
1. With audio on, first press the POWER button, then simultaneously press the SCAN button for approximately 1
second.
2. Inspect the audio amplifier (external) according to the following table:
Inspection
Start audio amplifier
(external) 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.
• Audio amplifier (external)
output sound.
• Speakers
• Woofer relay
• Wiring harness
Replace base unit.
Action
(base unit—audio amplifier
(external)—Woofer relay)