Nissan Versa (N17): Seat belt warning system

Nissan Versa 2nd generation (N17) 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".

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