Nissan Altima 2007-2012 Service Manual: 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 the main harness.
NO >> Replace parts whose air bag system has a malfunction.
ECM 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 following terminals and co ...
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 ...
Other materials:
Door key cylinder switch
Description
Power window main switch detects condition of the door key cylinder and
transmits to BCM as the LOCK or
UNLOCK signals.
Component Function Check
1. CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check (“KEY CYL LK-SW”, “KEY CYL UN-SW”) in “DATA MONITOR” mode for “POWER ...
P0181 FTT sensor
Description
The fuel tank temperature sensor is used to detect the fuel temperature
inside the fuel tank. The sensor modifies a voltage signal from
the ECM. The modified signal returns to the ECM as the fuel temperature
input. The sensor uses a thermistor which is sensitive to the
change in te ...
Seat belt warning chime
System Diagram
System Description
DESCRIPTION
With ignition switch turned ON and driver seat belt unfastened, seat belt
warning chime will sound for approximately
6 seconds.
• BCM receives seat belt buckle switch signal from combination meter with CAN
communication line.
• BCM de ...