Nissan Altima (L32) 2007-2012 Service Manual: The seat belt warning continues sounding, or does not
sound
Description
• Seat belt warning does not sound even though driver seat belt is not
fastened.
• Seat belt warning sounds even though driver seat belt is fastened.
Diagnosis Procedure
1. CHECK WARNING CHIME OPERATION
With the driver door open, turn lighting switch to 1st or 2nd position.
Does warning chime sound?
YES >> GO TO 2
NO >> Replace combination meter. Refer to MWI-176, "Removal and
Installation".
2. CHECK SEAT BELT WARNING LAMP
1. Turn ignition switch ON.
2. Check the operation of the seat belt warning lamp in the combination meter.
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS-96, "Removal and Installation".
NO >> GO TO 3
3. CHECK SEAT BELT BUCKLE SWITCH CIRCUIT
Perform inspection of the seat belt buckle switch circuit. Refer to WCS-20,
"Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 4
NO >> Repair or replace harness.
4. CHECK SEAT BELT BUCKLE SWITCH UNIT
Perform a unit inspection for the seat belt buckle switch. Refer to WCS-21,
"Component Inspection".
Is the inspection result normal?
YES >> Replace the combination meter. Refer to MWI-176, "Removal and
Installation".
NO >> Replace the seat belt buckle switch LH.
Description
Light reminder warning does not sound even though headlamp is illuminated.
Diagnosis Procedure
1. CHECK COMBINATION SWITCH (LIGHT SWITCH) OPERATION
Check that the headlamps operate n ...
Supplemental Restraint System (SRS) "AIR BAG"
and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used alon ...
Other materials: Warning/Indicator lights
Warning/Indicator light (red)
Brake warning
light
Charge warning
light
Electronic parking
brake indicator
light (if so
equipped)
Engine oil pressure
warning light
Master warning
light
Seat belt warning
light and chime
Security indicator
light
Supplemental air
bag warning light
Warning/Indicator
ligh ...
How to park with predicted course
lines
WARNING
If the tires are replaced with different
sized tires, the predicted course lines
may be displayed incorrectly.
On a snow-covered or slippery road,
there may be a difference between
the predicted course line and the actual
course line.
If the battery is disconnected or becomes
disch ...
MOD system operation
The MOD system will turn on automatically
under the following conditions:
When the shift lever is in the R (Reverse)
position.
When the CAMERA button is pressed to
activate the camera view on the display.
When vehicle speed decreases below approximately
6 mph (10 km/h) and the
camera screen ...