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:
B26e1 no reception of engine status signal
Description
BCM receives the engine status signal from ECM via CAN communication.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B26E1 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
SEC-36, "DTC Logic".
• If DTC B26E1 is displayed wit ...
Audio antenna (coupe)
Location of Antenna
1. In-line connectors M87, M501
2. Audio unit harness
3. Audio unit
4. Satellite antenna
5. Audio antenna feeder
6. Satellite radio antenna feeder
7. Window Antenna
8. Antenna amp.
9. Satellite radio tuner
Window Antenna Repair
ELEMENT CHECK
1. Attach probe circuit ...
Heater and Air Conditioner (manual) (if so equipped)
1. Fan speed control / system OFF dial /
air conditioning (A/C) button
2. Air flow control buttons
3. Temperature control dial / MAX A/C
button
4. Air recirculation button
5. Rear window defroster button
6. Front windshield defrost button
WARNING
● The air conditioner cooling functi ...