Nissan Sentra Service Manual: Seat belt warning system
Seat Belt Warning System Does Not Function
1.SEAT BELT WARNING LIGHT
Turn ignition switch ON.
Does the seat belt warning lamp come ON? YES >> GO TO 2.
NO >> • Check 10A fuse [No. 8, located in the fuse block (J/B)].
- Check seat belt buckle switch (driver seat)
- Check harness between combination meter and seat belt buckle switch (driver seat).
- Check combination meter. Refer to MWI-25, "Fail-Safe".
2.SEAT BELT BUCKLE (DRIVER SEAT)
Fasten the seat belt buckle (driver seat).
Does the seat belt warning lamp go OFF? YES >> GO TO 3.
NO >> • Check seat belt buckle switch (driver seat).
• Check harness between combination meter and seat belt buckle switch (driver seat).
3.OCCUPANT CLASSIFICATION SYSTEM
Have a helper sit in the passenger seat.
Does the seat belt warning lamp go ON? YES >> GO TO 4.
NO >> • Check occupant classification system. Refer to SRC-12, "OCCUPANT CLASSIFICATION SYSTEM : System Description".
• Check harness between occupant classification control unit and air bag diagnosis sensor unit.
4.SEAT BELT BUCKLE (PASSENGER SEAT)
Fasten the seat belt buckle (passenger seat).
Does the seat belt warning lamp go OFF? YES >> System OK.
NO >> • Check seat belt buckle switch (passenger seat).
• Check harness between seat belt buckle switch (passenger seat) and air bag diagnosis sensor unit.
• Replace air bag diagnosis sensor unit. Refer to SR-28, "Removal and Installation".
SRS Air bag warning lamp does not turn ON
Diagnosis Procedure
1.CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUIT
Check combination meter unit power supply and ground circuit. Refer to
MWI-52, "COMBINATION METER :
Diagnosis Pr ...
Other materials:
Changing a flat tire
If you have a flat tire, follow the instructions below:
Stopping the vehicle
Safely move the vehicle off the road and
away from traffic.
Turn on the hazard warning flashers.
Park on a level surface and apply the parking
brake. Shift the manual transmission into R
(Reverse), or the CVT ...
Basic inspection
Diagnosis and repair work flow
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurs).
Check operation condition of the function th ...
Component parts
STARTING SYSTEM (WITH INTELLIGENT KEY)
Component Parts Location
Starter motor
Transmission range switch (CVT Models)
IPDM E/R (view with air inlet duct
removed)
Clutch interlock switch (M/T Models)
ECM
BCM (view under instrument panel,
left side of vehicle)
Component Descri ...
