Nissan Altima 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.

    A-BAG branch line circuit
    Diagnosis Procedure 1.CHECK AIR BAG DIAGNOSIS SENSOR UNIT Check the air bag diagnosis sensor unit. Refer to SRC-3, "Work Flow". Is the inspection result normal? YES >> Replace t ...

    BCM 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 ...

    Other materials:

    P0740 torque converter clutch solenoid valve
    Description • The torque converter clutch solenoid valve is activated by the TCM in response to signals sent from the vehicle speed and accelerator pedal position sensors. Lock-up piston operation will then be controlled. • Lock-up operation, however, is prohibited when CVT fluid temper ...

    Using the system
    The NISSAN Voice Recognition system allows hands-free operation of the Bluetooth® Phone System. If the vehicle is in motion, some commands may not be available so full attention may be given to vehicle operation. Initialization When the ignition switch is placed in the ON position, NISS ...

    Fluid cooler cleaning
    Cleaning Whenever an automatic transaxle is repaired, overhauled, or replaced, the CVT fluid cooler mounted in the radiator must be inspected and cleaned. Metal debris and friction material, if present, can be trapped or become deposit in the CVT fluid cooler. This debris can contaminate ...