DTC: B116A:13, 26:Er84, DEVICE CORD 26/ERROR CORD 84 [Bluetooth SYSTEM (HANDS-FREE TELEPHONE (HF/TEL) SYSTEM)]SM2445938
DTC: B116A:13, 26:Er84, DEVICE CORD 26/ERROR CORD 84 [Bluetooth SYSTEM (HANDS-FREE TELEPHONE (HF/TEL) SYSTEM)]

id0902g8444200

DESCRIPTION

Microphone circuit malfunction
DETECTION CONDITION
Microphone non-connection signal detected continuously
POSSIBLE CAUSE
• Connector or terminal malfunction
• Open circuit in wiring harness between the following terminals:
― Bluetooth unit terminal E and microphone terminal E
• Short to ground in wiring harness between the following terminals:
― Bluetooth unit terminal A and microphone terminal A
• Microphone malfunction
• Bluetooth unit malfunction

Diagnostic Procedure

Step

Inspection

Action
1
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?
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
• Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then 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
Repair or replace the wiring harness for a possible short to ground, then go to the next step.
No
Go to the next step.
5
VERIFY TROUBLESHOOTING COMPLETED
• Make sure reconnect the disconnected connectors.
• Reconnect the negative battery cable.
• Clear the DTC from the Bluetooth unit memory. (See CLEARING DTC [Bluetooth SYSTEM (HANDS-FREE TELEPHONE (HF/TEL) SYSTEM)].)
• Perform the Bluetooth unit DTC inspection. (See DTC INSPECTION [Bluetooth SYSTEM (HANDS-FREE TELEPHONE (HF/TEL) SYSTEM)].)
• Is the same DTC present?
Yes
Replace the microphone then go to the next step.
(See MICROPHONE REMOVAL/INSTALLATION.)
No
Go to Step 7.
6
VERIFY TROUBLESHOOTING COMPLETED
• Clear the DTC from the Bluetooth unit memory. (See CLEARING DTC [Bluetooth SYSTEM (HANDS-FREE TELEPHONE (HF/TEL) SYSTEM)].)
• Perform the Bluetooth unit DTC inspection. (See DTC INSPECTION [Bluetooth SYSTEM (HANDS-FREE TELEPHONE (HF/TEL) SYSTEM)].)
• Is the same DTC present?
Yes
Replace the Bluetooth unit, then go to the next step.
(See Bluetooth UNIT REMOVAL/INSTALLATION.)
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.
(See DTC TABLE [Bluetooth SYSTEM (HANDS-FREE TELEPHONE (HF/TEL) SYSTEM)].)
No
DTC troubleshooting completed.