|
1
|
INSPECT MICROPHONE CONNECTOR CONDITION
• Switch the ignition off.
• 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?
|
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 CIRCUIT FOR OPEN CIRCUIT
• Inspect for continuity between the following terminals (wiring harness-side):
-
― Bluetooth® unit terminal E and microphone terminal E (L.H.D.)/F (R.H.D.)
• Is there continuity?
|
Yes
|
Go to the next step.
|
|
No
|
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 E and microphone terminal E (L.H.D.)/F (R.H.D.).
• Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.
• Repair or replace the malfunctioning part.
• Repair or replace the wiring harness which has an open circuit.
Go to Step 5.
|
|
4
|
INSPECT MICROPHONE INPUT CIRCUIT FOR SHORT TO GROUND
• Inspect for continuity between the following terminals (wiring harness-side) and body ground:
-
― Bluetooth® unit terminal A and body ground
• 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 A and microphone terminal A.
• 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 the next step.
|
|
No
|
Go to the next step.
|
|
5
|
VERIFY TROUBLESHOOTING COMPLETED
• Make sure reconnect the disconnected connectors.
• Connect the negative battery cable.
• Clear the DTC from the Bluetooth ® unit memory.
• Perform the Bluetooth ® unit DTC inspection.
• Is the same DTC present?
|
Yes
|
Replace the microphone then go to the next step.
|
|
No
|
Go to Step 7.
|
|
6
|
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.
|
|
7
|
VERIFY THAT NO OTHER DTCs ARE RECORDED
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
|
|
No
|
DTC troubleshooting completed.
|
