Nissan Sentra Service Manual: 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 Procedure".
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal? YES >> GO TO 3.
NO >> Replace harness connectors.
3.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace wiring harness.
4.CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Disconnect air bag diagnosis sensor unit connector and turn ignition switch ON.
Does air bag warning lamp turn ON? YES >> Replace air bag diagnosis sensor unit. Refer to SR-28, "Removal and Installation".
NO >> Replace combination meter. Refer to MWI-77, "Removal and Installation".
SRS Air bag warning lamp does not turn OFF
Diagnosis Procedure
1.CHECK AIR BAG MODULE AND SEAT BELT PRE-TENSIONER
Check the deployment of air bag module.
Is air bag module deployed?
YES >> Replace the malfunctioning parts.
NO &g ...
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 ...
Other materials:
P2857 Clutch A Pressure
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P2857
CLUTCH A PRESSURE
(Clutch A Pressure Engagement
Performance)
The auxiliary gearbox gear ratio is 2.232 or
more for the auxili ...
U1000 CAN Comm circuit
Description
Can (controller area network) is a serial communication line for
real time application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each co ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
DETAILED FLOW
1.LISTEN TO CUSTOMER COMPLAINT
Listen to customer complaint. Get detailed information about the conditions
and environment when the symptom
occurs.
>> GO TO 2.
2.VERIFY THE SYMPTOM WITH OPERATIONAL CHECK
Verify the symptom with ...
