Nissan Altima (L32) 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
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 ...
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: Continuously Variable Transmission
(CVT)
WARNING
Do not depress the accelerator pedal
while shifting from P (Park) or N (Neutral)
to R (Reverse), D (Drive), L (Low) or
manual shift mode (if so equipped).
Always depress the brake pedal until
shifting is completed. Failure to do so
could cause you to lose control and
have an acciden ...
Heated steering wheel switch (if so equipped)
Push the heated steering wheel switch to
warm the steering wheel after the ignition
switch is placed in the ON position. The
indicator light will come on.
If the surface temperature of the steering
wheel is below 68ºF (20ºC), the system will
heat the steering wheel and cycle off and
on to mainta ...
Variable voltage control system
CAUTION
Do not ground accessories directly to
the battery terminal. Doing so will
bypass the variable voltage control
system and the vehicle battery may
not charge completely.
Use electrical accessories with the
engine running to avoid discharging
the vehicle battery.
Your vehicle is equi ...