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:

Starting the engine (models with NISSAN Intelligent Key® system)
Apply the parking brake. Continuously Variable Transmission: Move the shift lever to P (Park) or N (Neutral). P (Park) is recommended. The starter is designed not to operate if the shift lever is in any of the driving positions. Manual Transmission: Move the shift lever to N ( ...

Engine oil
Inspection Engine oil level Note: Before starting engine, put vehicle horizontally and check the engine oil level. If engine is already started, stop it and allow 10 minutes before checking. Pull out oil level gauge and wipe it clean. Insert oil level gauge and check that the engine oil ...

P0506 ISC System
Description The ECM controls the engine idle speed to a specified level through the fine adjustment of the air, which is let into the intake manifold, by operating the electric throttle control actuator. The operating of the throttle valve is varied to allow for optimum control of the engine ...

© 2014-2021 Copyright www.nisentra.com