Nissan Versa

 Sedan Service Manual

Driver information & multimedia » Audio, visual & navigation system (AV)
U1244 GPS Antenna

DTC Logic

DTC DETECTION LOGIC   

Diagnosis Procedure

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

1.GPS ANTENNA INSPECTION

Visually inspect the GPS antenna and antenna feeder. Refer to AV "Removal and Installation".

Is inspection result normal?

YES >> GO TO 2.

NO >> Repair or replace malfunctioning components.

2.CHECK AV CONTROL UNIT VOLTAGE

1. Disconnect AV control unit connector M91.

2. Turn ignition switch ON.

3. Check voltage between AV control unit connector M91 and ground.

Is inspection result normal?

YES >> Replace GPS antenna. Refer to AV "Removal and Installation".

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

Precautions

Audio system

Diagnosis and repair workflow

Power supply and ground circuit

Front door speaker

Rear door speaker

Normal operating condition

Audio unit

Front door speaker

Rear door speaker

Roof antenna

Precautions

System

Diagnosis system (audio unit)

Diagnosis system (bluetooth control unit)

Diagnosis and repair workflow

Power supply and ground circuit

Front door speaker

Rear door speaker

Bluetooth voice signal circuit

Bluetooth control signal circuit

Microphone signal circuit

Steering switch

Audio system

Normal operating condition

Audio unit

Front door speaker

Rear door speaker

Roof antenna

Steering audio control switch

Bluetooth antenna

Bluetooth control unit

Microphone

Precautions

System

Diagnosis system (audio unit)

Diagnosis system (bluetooth control unit)

Diagnosis and repair workflow

Power supply and ground circuit

Front door speaker

Rear door speaker

Bluetooth voice signal circuit

Bluetooth control signal circuit

Microphone signal circuit

Steering switch

USB Connector

Audio system

Normal operating condition

Audio unit

Front door speaker

Rear door speaker

USB Connector

Bluetooth control unit

Steering audio control switch

Bluetooth antenna

Microphone

Roof antenna

Precautions

System

Diagnosis system (AV Control unit)

Diagnosis and repair workflow

Inspection and adjustment

U1000 CAN Comm circuit

U1244 GPS Antenna

U1258 Satellite radio antenna

U1263 USB

U1264 Antenna AMP

U12AA Configuration error

U12B0 Power supply voltage

U12B1 Power supply voltage

Power supply and ground circuit

Front door speaker

Rear door speaker

Rear view camera image signal circuit

Microphone signal circuit

Steering switch

USB Connector

Auxiliary input jack

Multi AV system

Normal operating condition

AV Control unit

USB Connector

Front door speaker

Rear door speaker

Satellite radio antenna

Steering audio control switch

GPS Antenna