Nissan Sentra manuals

Nissan Sentra Service Manual: 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.


YES >> Inspection End.

NO >> Refer to WCS-29, "Diagnosis Procedure".

Diagnosis procedure

Regarding wiring diagram information, refer to wcs-17, "wiring diagram".

1.Check combination meter input signal

  1. Turn ignition switch on.
  2. Check voltage between combination meter harness connector m24 terminal 9 and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> replace combination meter. Refer to mwi-77, "removal and installation".

No >> go to 2.

2.Check seat belt buckle switch circuit

  1. Turn ignition switch OFF.
  2. Disconnect combination meter harness connector m24 and seat belt buckle switch lh (driver seat) harness connector b16.
  3. Check continuity between combination meter harness connector m24 terminal 9 and seat belt buckle switch lh (driver seat) harness connector b16 terminal 1.


  1. Check continuity between combination meter harness connector m24 terminal 9 and ground.

Is the inspection result normal?


Is the inspection result normal?

Yes >> go to 3.

No >> repair or replace harness or connector.

3.Check seat belt buckle switch ground circuit

Check continuity between seat belt buckle switch lh (driver seat) harness connector b16 terminal 2 and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> check the seat belt buckle switch. Refer to wcs-30, "component inspection".

No >> repair or replace harness or connector.

Component inspection

1. Check seat belt buckle switch

  1. Turn ignition switch off.
  2. Disconnect the seat belt buckle switch lh (driver seat).
  3. Check continuity between the seat belt buckle switch lh (driver seat) terminals 1 and 2.

Is the inspection result normal?


Is the inspection result normal? Yes >> inspection end.

No >> replace the seat belt buckle switch lh (driver seat). Refer to sr-32, "removal and installation".

Meter buzzer circuit
Description The buzzer for warning chime system is installed in the combination meter. The combination meter sounds the alarm buzzer based on the signals transmitted from various units. ...

Symptom diagnosis
...

Other materials:

Engine room cover
Exploded View Engine room cover Mounting rubber (Black) Mounting rubber (Gray) Removal and Installation REMOVAL CAUTION: Do not damage or scratch engine room cover when installing or removing. Remove engine room cover by pulling straight up to release mounting rubber. INSTALLATI ...

Connecting Procedure
NOTE: The connecting procedure must be performed when the vehicle is stationary. If the vehicle starts moving during the procedure, the procedure will be cancelled. Press the [ ] button on the control panel. Touch the “Settings” key. Touch the “Phone & Bluetooth” ke ...

Periodic maintenance
CVT FLUID Inspection FLUID LEAKAGE Check transaxle surrounding area (oil seal and plug etc.) for fluid leakage. If anything is found, repair or replace damaged parts and adjust CVT fluid level. Refer to TM-251, "Adjustment". Replacement CVT fluid : Refer to TM-288, & ...

© 2014-2024 Copyright www.nisentra.com