Nissan Altima 2007-2012 Service Manual: Function diagnosis
INTERIOR ROOM LAMP CONTROL SYSTEM
System Diagram
System Description
OUTLINE
• Interior room lamps* are controlled by interior room lamp timer control function of BCM.
*:Front room/map lamps and personal lamps (when lamp switch is in DOOR position).
• Trunk room lamp is controlled by trunk room lamp control function of BCM.
• Step lamps are controlled by step lamp control function of BCM.
ILLUMINATION
Wiring Diagram - Coupe
Wiring Diagram - Sedan
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
>> GO TO 2
2.SYMPTOM CHECK
Verify the sy ...
ECU diagnosis
BCM (BODY CONTROL MODULE)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
Terminal Layout
Physical Values
1: Sedan only
2: With LH front window anti ...
Other materials:
In-vehicle sensor
Component Description
In-vehicle sensor
The in-vehicle sensor (1) is located on instrument lower panel LH. It
converts variations in temperature of compartment air drawn from
the aspirator into a resistance value. It is then input into the front air
control.
Aspirator
The aspirator (1) is ...
Positive crankcase ventilation
Description
This system returns blow-by gas to the intake manifold.
The positive crankcase ventilation (PCV) valve is provided to conduct crankcase
blow-by gas to the intake
manifold.
During partial throttle operation of the engine, the intake manifold sucks the
blow-by gas through the ...
B2619 BCM
Description
BCM requests IPDM E/R to supply power to steering lock unit. After receiving
the power, the steering lock unit
transmits an ON signal to BCM.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switc ...