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STEP
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INSPECTION
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ACTION
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1
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• Turn the audio unit on.
• Press AUDIO CONT button 1 s or more (BAL/FAD cancel mode).
• Press the POWER button and simultaneously press the AUTO-M button for 1 s.
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Note
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• The sounded speaker now changes in the order of left- front door speaker, right -front door speaker, right - rear door speaker and left - rear door speaker.
• Is there any speaker that does not output sound?
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Yes
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If there is no sound from some speakers:
• Go to the next step.
If there is no sound at all:
• Go to the troubleshooting of "No.3 No sound from all speakers".
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No
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The troubleshooting is completed.
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2
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• Turn the ignition switch to the LOCK position.
• Disconnect the audio unit connector (24-pin).
• Inspect the continuity between the audio unit wiring harness-side connector (24-pin) terminal and ground.
• Is there continuity?
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Yes
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Repair or replace the suspect wiring harness or speaker unit.
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Note
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• If there is a short circuit between the speaker harness or the speaker lead wire and ground, the protector circuit inside the audio unit operates to cut the sound.
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No
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Go to the next step.
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3
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• Remove the suspect speaker.
• Disconnect the speaker connector (2-pin) and inspect the resistance of speaker.
• Is the resistance normal?
Specification
Speaker resistance + wiring
harness resistance
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Yes
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Replace the audio unit.
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No
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Go to the next step.
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4
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• Inspect the wiring harness between the audio unit and the suspect speaker.
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the suspect wiring harness.
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5
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• Inspect the suspect speaker.
• Is the speaker normal?
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Note
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• If the speaker lead wire contacts to either ground or vehicle frame, replace the speaker.
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Yes
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Replace the audio unit.
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No
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Replace the speaker.
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