MICROPHONE: Diagnosis Procedure
WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to "WIRING DIAGRAM - WITHOUT NAVIGATION SYSTEM ".
- CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
Check voltage between microphone harness connector and ground.
(+) (-) Value (Approx.) Connector Terminal R8 4 Ground 5V Courtesy of NISSAN NORTH AMERICA, INC.
Is proper voltage present?
YES: GO TO 4
NO: GO TO 2
- CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
- Turn ignition switch OFF.
- Disconnect Bluetooth control unit and microphone connectors.
- Check continuity between microphone harness connector R8 (A) terminal 4 and Bluetooth control unit harness connector B124 (B) terminal 29.
A B Continuity Connector Terminal Connector Terminal R8 4 B124 29 Yes - Check continuity between microphone harness connector R8 (A) terminal 4 and ground.
A - Continuity Connector Terminal R8 4 Ground No
Fig 2: Checking Continuity Between Microphone Connector R8 Terminal 4 And Bluetooth Control Unit Connector B124 Terminal 29Courtesy of NISSAN NORTH AMERICA, INC.
Are continuity results as specified?
YES: GO TO 3
NO: Repair harness or connector.
- CHECK POWER SUPPLY CIRCUIT (BLUETOOTH CONTROL UNIT SIDE)
- Connect Bluetooth control unit connector.
- Turn ignition switch ON.
- Check voltage between Bluetooth control unit harness connector and ground.
(+) (-) Value (Approx.) Connector Terminal B124 29 Ground 5V
Courtesy of NISSAN NORTH AMERICA, INC.
Is proper voltage present?
YES: Inspection End.
NO: Replace Bluetooth control unit. Refer to "REMOVAL AND INSTALLATION ".
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect Bluetooth control unit and microphone connectors.
- Check continuity between microphone harness connector R8 terminal 2 and Bluetooth control unit harness connector B124 terminal 8.
Connector Terminal Connector Terminal Continuity R8 2 B124 8 Yes
Fig 4: Checking Continuity Between Microphone Connector R8 Terminal 2 And Bluetooth Control Unit Connector B124 Terminal 8Courtesy of NISSAN NORTH AMERICA, INC.
Is continuity present?
YES: Inspection End.
NO: Repair harness or connector.