Nissan Altima 2007-2012 Service Manual: Door switch
Description
Detects door open/close condition and transmits the signal to BCM.
Component Function Check
1. CHECK FRONT DOOR SWITCH INPUT SIGNAL
Check (“DOOR SW-DR” and “DOOR SW-AS”) in “DATA MONITOR” mode with CONSULT-III. Refer to BCS- 34, "RETAINED PWR : CONSULT-III Function (BCM - RETAINED PWR)".
Is the inspection result normal? YES >> Front door switch circuit is OK.
NO >> Refer to PWC-124, "Diagnosis Procedure".
Diagnosis Procedure
1. CHECK HARNESS CONTINUITY
Check voltage between BCM connector and ground.
Is the measurement value within the specification? YES >> Replace BCM. Refer to BCS-96, "Removal and Installation".
NO >> GO TO 2
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and front door switch.
3. Check continuity between BCM connector (A) and front door switch connector (B).
4. Check continuity between BCM connector (A) and ground.
Is the inspection result normal? YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector and ground.
Is the measurement value within the specification? YES >> GO TO 4
NO >> Replace BCM. Refer to BCS-96, "Removal and Installation".
4. CHECK FRONT DOOR SWITCH
Check front door switch.
Refer to PWC-125, "Component Inspection".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> Replace front door switch.
Component Inspection
1. CHECK FRONT DOOR SWITCH
Check front door switches.
Is the inspection result normal? YES >> Front door switch is OK.
NO >> Replace front door switch.
Encoder
DRIVER SIDE
Description
Detects condition of the front power window motor LH operation and transmits
to main power window and door
lock/unlock switch as pulse signal.
Component Function ...
Power window lock switch
Description
Ground circuit of main power window and door lock/unlock switch shuts off if
power window lock switch of
main power window and door lock/unlock switch is operated. This inhibits all
...
Other materials:
Vehicle security system
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
OPERATION FLOW
SETTING THE VEHICLE SECURITY SYSTEM
Initial Condition
• Ignition switch is in OFF position.
Disarmed Phase
• When doors or trunk is open, the vehicle security system is set in the
disarmed phase on the ass ...
Cooling fan
Description
The ECM controls the cooling fan corresponding to the vehicle speed, engine
colant temperature, refrigerant
pressure, and air conditioner ON signal. The control system has 4-step control
[HIGH/MIDDLE/LOW/OFF].
COOLING FAN MOTOR
The cooling fan operates at each speed when the cur ...
Front timing chain case
Removal and Installation
1. Gasket
2. IVT control valve cover RH
3. IVT valve RH
4. IVT valve LH
5. Water pump cover
6. IVT control valve cover LH
7. Crankshaft pulley
8. Front oil seal
9. Front timing chain case
A. Follow installation procedure
NOTE:
• This section describes procedu ...