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:
Preparation
Special Service Tools
The actual shapes of Kent-Moore tools may differ from those of special
service tools illustrated here.
Commercial Service Tools
...
U0101 Can comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each co ...
Heated steering wheel (if so equipped)
The heated steering wheel system is designed to
operate only when the surface temperature of the
steering wheel is below approximately 68°F
(20°C).
Push the heated steering wheel switch to warm
the steering wheel after the engine starts. The
indicator light will come on.
If the surfac ...