Nissan Versa (N17): Microphone signal circuit

Nissan Versa 2nd generation (N17) Service Manual / Driver information & multimedia / Audio, visual & navigation system (AV) / Microphone signal circuit

Diagnosis Procedure

Regarding Wiring Diagram information, refer to AV "Wiring Diagram".

1.CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M71 and microphone connector R15.

3. Check continuity between AV control unit connector M71 and microphone connector R15.

4. Check continuity between AV control unit connector M71 and ground.

Is inspection result normal?

YES >> GO TO 2.

NO >> Repair or replace harness or connectors.

2.CHECK MICROPHONE VCC VOLTAGE

1. Connect AV control unit connector M71.

2. Turn ignition switch ON.

3. Check voltage between terminals of AV control unit connector M71.

Is the inspection result normal?

YES >> GO TO 3.

NO >> Replace AV control unit. Refer to AV "Removal and Installation".

3.CHECK MICROPHONE SIGNAL

1. Connect microphone connector.

2. Check signal between terminals of AV control unit connector M71.

Is the inspection result normal?

YES >> Replace AV control unit. Refer to AV "Removal and Installation".

NO >> Replace microphone. Refer to AV "Removal and Installation".

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Other materials:

Keys
Type A (if so equipped) 1. Master key 2. Valet key 3. Key number plate A key number plate is supplied with your keys. Record the key number and keep it in a safe place (such as your wallet), not in the vehicle. If you lose your keys, it is recommended that you visit a NISSAN dealer for ...

Service data and specifications (SDS)
Idle Speed    *: Under the following conditions A/C switch: OFF Electric load: OFF (Lights, heater fan & rear window defogger) Steering wheel: Kept in straight-ahead position Ignition Timing   *: Under the following conditions A/C switch: OFF Ele ...

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