Nissan Sentra manuals

Nissan Sentra Service Manual: SRS Air bag warning lamp does not turn OFF

Nissan Sentra Service Manual / Restraints / SRS airbag control system / Symptom diagnosis / 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 >> GO TO 2.

2.CHECK AIR BAG FUSE

Check 10 A fuse [No.3, located in fuse block (J/B)].

Is the inspection result normal? YES >> GO TO 3.

NO >> Replace the fuse.

3.CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal? YES >> GO TO 4.

NO >> Replace harness connectors.

4.CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal? YES >> GO TO 5.

NO >> Replace wiring harness.

5.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

  1. Replace air bag diagnosis sensor unit. Refer to SR-28, "Removal and Installation".
  2. Check air bag warning lamp operation.

Is the inspection result normal? YES >> INSPECTION END

NO >> GO TO 6.

6.REPLACE COMBINATION METER

  1. Replace combination meter. Refer to MWI-77, "Removal and Installation".
  2. Check air bag warning lamp operation.

Is the inspection result normal? YES >> INSPECTION END

NO >> GO TO 1.

Symptom diagnosis
...

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:

Seat belt buckle switch signal circuit
Description Transmits a seat belt buckle switch lh (driver seat) signal to the combination meter Component function check 1. Check combination meter input signal Select data monitor for meter/m&a and check the buckle sw monitor value. YES >> Inspection End. NO >> Refe ...

System description
Component parts Component parts location Instrument lower finisher Sport mode switch The sport mode switch is installed to the instrument lower finisher. When the sport mode indicator lamp on the combination meter is off and the sport mode switch is pressed, the sport mode is ...

The illumination control switch is inoperative
Description If any of the following malfunctions is found for the illumination control switch operation. All switches are inopera The specified switch cannot be operated Diagnosis procedure 1.Check illumination control switch signal circuit Check the illumination control switch signal ...

В© 2014-2019 Copyright www.nisentra.com