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.
The light reminder warning does not sound
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 ...Precaution
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:
DLC branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the data link connector for damage,
bend and loose connection
(connector side and harness side) ...
On board diagnostic (OBD) System
Diagnosis Description
DESCRIPTION
The CVT system has two self-diagnostic systems.
The first is the emission-related on board diagnostic system (OBD-II) performed
by the TCM in combination
with the ECM. The malfunction is indicated by the MIL (malfunction indicator
lamp) and is stored as a ...
Lights
Headlights
For additional information on headlight
bulb replacement, refer to the instructions
outlined in this section.
Replacing the LED headlight bulb
If LED headlight bulb replacement is required,
it is recommended that you visit a
NISSAN dealer for this service.
Exterior and interior lights
...