DTC: 26:Er83 [AUDIO]


id0902f6037100

Description

Microphone circuit malfunction

Detection condition
Short to ground in microphone power supply circuit
Fail-safe function
Not applicable
Possible cause
•  Connector or terminal malfunction
•  Short to ground in wiring harness between the following terminals:
―  Bluetooth® unit terminal C and microphone terminal C
•  Microphone malfunction
•  Bluetooth® unit malfunction

Diagnostic Procedure

Step

Inspection

Action

1
INSPECT MICROPHONE CONNECTOR CONDITION
•  Switch the ignition off.
•  Disconnect the microphone connector.
•  Inspect the connector for poor connection (such as damaged/pulled-out pins, and corrosion).
•  Is there any malfunction?
Yes
Repair or replace the connector or terminal, then go to Step 5.
No
Go to the next step.
2
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?
Yes
Repair or replace the connector or terminal, then go to Step 5.
No
Go to the next step.
3
INSPECT MICROPHONE POWER SUPPLY CIRCUIT FOR SHORT TO GROUND
•  Inspect for continuity between the following terminals (vehicle wiring harness) and body ground:
―  Microphone terminal C
•  Is there continuity?
Yes
If there is a common connector:If there is no common connector:
Refer to the wiring diagram and verify whether or not there is a common connector between Bluetooth® unit terminal C and microphone terminal C.
•  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 ground.
•  Repair or replace the malfunctioning part.
•  Repair or replace the wiring harness which has a short to ground.
Go to Step 5.
No
Go to the next step.
4
INSPECT Bluetooth® UNIT POWER SUPPLY CIRCUIT
•  Make sure reconnect the disconnected connectors.
•  Switch the ignition ON (engine off or on).
•  Measure the voltage at the following terminal (vehicle wiring harness):
―  Bluetooth® unit terminal C
•  Is there any voltage?
Yes
Replace the microphone, then go to the next step.
No
Go to the next step.
5
VERIFY TROUBLESHOOTING COMPLETED
•  Clear the DTC from the Bluetooth® unit memory.
•  Perform the Bluetooth® unit DTC inspection.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the Bluetooth® unit.
Go to the next step.
No
Go to the next step.
6
VERIFY THAT NO OTHER DTCs ARE RECORDED
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.