Toyota
Nissan Versa
 Sedan Service Manual
Restraints » SRS Airbag control system (SRC)
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. 3, located in the fuse block (J/B)].
  • Check seat belt buckle switch LH.
  • Check harness between combination meter and seat belt buckle switch LH.
  • Check combination meter. Refer to MWI "Fail-Safe" (with Type A Meter) or MWI "Fail- Safe" (with Type B Meter).

2.SEAT BELT BUCKLE LH

Fasten the seat belt buckle LH.

Does the seat belt warning lamp go OFF?

YES >> GO TO 3

NO >>

  • Check seat belt buckle switch LH.
  • Check harness between combination meter and seat belt buckle switch LH.

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 "OCCUPANT CLASSIFICATION SYSTEM : System Description".
  • Check harness between occupant classification control unit and air bag diagnosis sensor unit.

4.SEAT BELT BUCKLE RH

Fasten the seat belt buckle RH.

Does the seat belt warning lamp go OFF?

YES >> System OK.

NO >>

  • Check seat belt buckle switch RH.
  • Check harness between seat belt buckle switch RH and air bag diagnosis sensor unit.
  • Replace air bag diagnosis sensor unit. Refer to SR "Removal and Installation".
    More about «SRS Airbag control system (SRC)»:

    Precautions

    Component parts

    SRS Air bag system

    Occupant classification system

    Seat belt warning lamp system

    Diagnosis system (air bag)

    Diagnosis sensor unit

    Diagnosis and repair work flow

    Inspection and adjustment

    B1049 - B1052, B1054 - B1057 Driver airbag module

    B1065 - B1068, B1070 - B1073 Passenger airbag module

    B1134 - B1137 Side airbag module LH

    B1129 - B1132 Side airbag module RH

    B1150 - B1153 Side curtain air bag module LH

    B1145 - B1148 Side curtain air bag module RH

    B1086 - B1089 Seat belt pre-tensioner LH

    B1081 - B1084 Seat belt pre-tensioner RH

    B1033 - B1035 Crash zone sensor

    B1118 - B1120 Satellite sensor LH

    B1113 - B1115 Satellite sensor RH

    B1343 - B1349 Front door satellite sensor LH

    B1336 - B1342 Front door satellite sensor RH

    B1350 Front door satellite sensors

    B1XXX Air bag diagnosis sensor unit

    B1023 Passenger air bag off indicator

    B1017, B1018, B1020, B1021, B1022, B1025, B1032, B1048 OCS System

    B1209 - B1210 Collision detection

    SRS Air bag warning lamp does not turn on

    SRS Air bag warning lamp does not turn off

    Seat belt warning system

    Nissan Versa Sedan Service Manual / Restraints / SRS Airbag control system (SRC) / Seat belt warning system

    Nissan Versa Sedan Service Manual

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