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 ...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:
P1805 brake switch
Description
Brake switch signal is applied to the ECM through the stop lamp switch when
the brake pedal is depressed.
This signal is used mainly to decrease the engine speed when the vehicle is
driving.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION ...
Electronic controlled engine mount
Description
The electronic controlled engine mount control solenoid valve controls the
intake manifold vacuum signal for
electronic controlled engine mount. The electronic controlled engine mount
control solenoid valve is moved by
ON/OFF signal from the ECM. When the solenoid is OFF, the vacu ...
Camera on signal circuit (sedan)
Description
When the selector lever is placed in the R position, the rear view camera
control unit sends a camera ON signal
to the rear view camera.
Diagnosis Procedure
1.CHECK CAMERA ON SIGNAL CIRCUIT CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect rear view camera control unit con ...