Nissan Altima (L32) 2007-2012 Service Manual: Both side headlamps do not switch
to high beam
Description
The headlamps (both sides) do not switch to high beam when the lighting
switch is in the HI or PASS setting.
Diagnosis Procedure
1.COMBINATION SWITCH INSPECTION
Check the combination switch. Refer to BCS-10, "System Description".
Is the combination switch normal?
YES >> GO TO 2
NO >> Repair or replace the malfunctioning part.
2.CHECK HEADLAMP (HI) REQUEST SIGNAL INPUT
1. Select "HL HI REQ" of IPDM E/R DATA MONITOR item.
2. With operating the lighting switch, check the monitor status.
Is the item status normal?
YES >> GO TO 3
NO >> Replace BCM. Refer to BCS-96, "Removal and Installation" .
3.HEADLAMP (HI) CIRCUIT INSPECTION
Check the headlamp (HI) circuit. Refer to EXL-40, "Description".
Is the headlamp (HI) circuit normal?
YES >> Replace IPDM E/R. Refer to PCS-48, "Removal and Installation" .
NO >> Repair or replace the malfunctioning part.
Description
XENON HEADLAMP
• The brightness and color of the light may vary slightly immediately after
turning the headlamp ON. This condition
will remain until the xenon bulb becomes stable. T ...
Description
The headlamps (both sides) do not turn ON in any lighting switch setting.
Diagnosis Procedure
1.CHECK COMBINATION SWITCH
Check the combination switch. Refer to BCS-10, "System De ...
Other materials: Spark plugs
Replacing spark plugs
Iridium-tipped spark plugs
It is not necessary to replace iridium-tipped A
spark plugs as frequently as conventional
type spark plugs because they
last much longer. Follow the maintenance
log shown in the "Maintenance and schedules"
section of this manual. Do not service
iridi ...
Air conditioner operation
Start the engine, turn thefan
speed
control dial to the desired position, and
press thebutton to activate the air
conditioner. When the air conditioner is on,
cooling and dehumidifying functions are
added to the heater operation.
The air conditioner cooling function operates
only when the engine i ...
Head restraints/headrests
WARNING
Head restraints/headrests supplement
the other vehicle safety systems. They
may provide additional protection
against injury in certain rear end collisions.
Adjustable head restraints/
headrests must be adjusted properly,
as specified in this section. Check the
adjustment after someone else ...