DTC: 26:Er82 [AUDIO UNIT]
id09021q037000
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Description |
Microphone circuit malfunction |
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Detection condition
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• Short to power supply detected in microphone input circuit
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Fail-safe
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Not applicable
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Possible cause
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• Microphone connector or terminal malfunction
• Bluetooth® unit or terminal malfunction
• Short to power supply in wiring harness between Bluetooth® unit terminal A and microphone terminal A
• Microphone malfunction
• Bluetooth® unit malfunction
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Diagnostic Procedure
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Step |
Inspection |
Action |
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1
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INSPECT MICROPHONE CONNECTOR CONDITION
• Switch the ignition off.
• Disconnect the negative battery terminal.
• Disconnect the microphone connector.
• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
• Is there any malfunctioning part?
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Yes
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Repair or replace the connector, then go to Step 5.
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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 engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
• Is there any malfunctioning part?
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Yes
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Repair or replace the connector, then go to Step 5.
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No
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Go to the next step.
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3
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INSPECT FOR SHORT TO POWER SUPPLY IN MICROPHONE INPUT CIRCUIT
• Always reconnect all disconnected connectors.
• Connect the negative battery terminal.
• Switch the ignition ON (engine off or on).
• Measure the voltage of Bluetooth® unit terminal A (wiring harness-side).
• Is the voltage B+?
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Yes
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Refer to the wiring diagram and verify whether or not there is a common connector between Bluetooth® unit terminal A and microphone terminal A.
If there is a common connector:
• Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to power supply.
• Repair or replace the malfunctioning part.
If there is no common connector:
• Repair or replace the wiring harness which has a short to power supply.
Go to Step 5.
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No
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Go to the next step.
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4
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VERIFY IF MALFUNCTIONING LOCATION IS MICROPHONE DEPENDING ON REPEATABILITY
• Always reconnect all disconnected connectors.
• Connect the negative battery terminal.
• Clear the Bluetooth® unit DTCs.
(See CLEARING DTC [AUDIO UNIT].)
• Perform the Bluetooth® unit DTC inspection.
(See DTC INSPECTION [AUDIO UNIT].)
• Is the same Pending 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 Step 6.
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5
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VERIFY THAT REPAIRS HAVE BEEN COMPLETED
• Always reconnect all disconnected connectors.
• Connect the negative battery terminal.
• Clear the Bluetooth® unit DTCs.
(See CLEARING DTC [AUDIO UNIT].)
• Perform the Bluetooth® unit DTC inspection.
(See DTC INSPECTION [AUDIO UNIT].)
• Is the same Pending DTC present?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the Bluetooth® unit.
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 IF OTHER DTCs DISPLAYED
• Are any other DTCs displayed?
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Yes
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Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [AUDIO UNIT].)
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No
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DTC troubleshooting completed.
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