Nissan Altima (L32) 2007-2012 Service Manual ≻ Lan system can system (type 6) ≻ AV branch line circuit

Nissan Altima (L32) 2007-2012 Service Manual: AV branch line circuit

Diagnosis Procedure

INSPECTION PROCEDURE

1.CHECK CONNECTOR

1. Turn the ignition switch OFF.

2. Disconnect the battery cable from the negative terminal.

3. Check the terminals and connectors of the AV control unit for damage, bend and loose connection (unit side and connector side).

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair the terminal and connector.

2.CHECK HARNESS FOR OPEN CIRCUIT

1. Disconnect the connector of AV control unit.

2. Check the resistance between the AV control unit harness connector terminals.

Is the measurement value within the specification? YES >> GO TO 3.

NO >> Repair the AV control unit branch line.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the AV control unit. Refer to AV-315, "AV CONTROL UNIT : Diagnosis Procedure".

Is the inspection result normal? YES (Present error)>>Replace the AV control unit. Refer to AV-437, "Removal and Installation".

YES (Past error)>>Error was detected in the AV control unit branch line.

NO >> Repair the power supply and the ground circuit.

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Maintenance precautions
When performing any inspection or maintenance work on your vehicle, always take care to prevent serious accidental injury to yourself or damage to the vehicle. The following are general precautions which should be closely observed. WARNING Park the vehicle on a level surface, apply the parking br ...

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If your vehicle is overheating (indicated by an extremely high temperature gauge reading), or if you feel a lack of engine power, detect abnormal noise, etc. take the following steps. WARNING Do not continue to drive if your vehicle overheats. Doing so could cause engine damage or a vehicle fire ...

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