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1
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INSPECT MICROPHONE CONNECTOR CONDITION
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable.
• Disconnect the microphone connector.
• Inspect the connector for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminal, then go to Step 4.
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No
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Go to the next step.
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2
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INSPECT Bluetooth UNIT CONNECTOR CONDITION
• Disconnect the Bluetooth unit connector.
• Inspect the connector for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminal, then go to Step 4.
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No
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Go to the next step.
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3
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INSPECT MICROPHONE INPUT CIRCUIT FOR SHORT TO POWER SUPPLY
• Make sure reconnect the disconnected connectors.
• Reconnect the negative battery cable.
• Switch the ignition to ON.
• Measure the voltage at the following terminals (wiring harness-side):
-
― Bluetooth unit terminal A
• Is there any voltage?
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Yes
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Repair or replace the wiring harness for a possible short to power supply, then go to the next step.
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No
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Go to the next step.
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4
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VERIFY TROUBLESHOOTING COMPLETED
• Is the same DTC present?
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Yes
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Replace the microphone, then go to the next step.
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No
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Go to the step 6.
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5
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VERIFY TROUBLESHOOTING COMPLETED
• Is the same DTC present?
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Yes
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Replace the Bluetooth unit, then go to the next step.
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No
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Go to the next step.
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6
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VERIFY THAT NO OTHER DTCs ARE RECORDED
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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