NO.8 AUDIO PILOT FUNCTION IS INOPERATIVE [ENTIRE AUDIO SYSTEM]
id0903e2825100
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8 |
Audio Pilot function is inoperative/Possible DTC: 16:Er12 |
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Troubleshooting hints
• Audio amplifier malfunction
• Open or short circuit in Mic unit signal wiring harness
• Open or short circuit in Audio Pilot signal wiring harness
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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• Turn the Audio Pilot function on.
• Inspect the Audio Pilot function operation while driving the vehicle.
• Does the Audio Pilot system operation properly?
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Yes
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The system is normal.
Explain the Audio Pilot function to the customer.
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No
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Go to the next step.
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2
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• Inspect the connection of the audio amplifier connector (40-pin, Mic unit signal).
• Inspect both the audio amplifier wiring harness-side connector terminal 3E and 3F (40-pin) for a poor connection (such as damaged/pulled-out pins, corrosion).
• Are all the pins normal?
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Yes
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Repair or replace the pins and/or the connector.
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No
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Go to the next step.
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3
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• Inspect the connection of the Mic unit connector (2-pin).
• Inspect the Mic unit wiring harness-side connector terminal A and B (2-pin) for poor connection (such as damaged/pulled-out pins, corrosion).
• Are all pins normal?
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Yes
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Repair or replace the pins and/or the connector.
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No
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Go to the next step.
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4
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• Inspect continuity between the following terminals of the audio amplifier connector and Mic unit connector.
• Is there continuity?
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Yes
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Inspect for open or short circuit.
Go to the next step.
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No
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Repair or replace for open circuit.
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5
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• Retrieve the DTCs from all vehicle modules using the M-MDS.
• Is there the following DTC displayed?
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Yes
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Go to the appropriate DTC inspection.
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No
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Replace the audio amplifier.
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