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:

U1000 CAN Comm circuit
Description CAN (Controller Area Network) is a serial communication system for real time application. It is an on-vehicle multiplex communication system with high data communication speed and excellent error detection ability. Many electronic control units are equipped into vehicles, and e ...

Periodic maintenance
REAR WHEEL HUB Inspection COMPONENT PART Check the mounting conditions (looseness, back lash) of each component and component conditions (wear, damage) are normal. WHEEL HUB ASSEMBLY (BEARING-INTEGRATED TYPE) Check the following items, and replace the part it necessary. Move wheel hub as ...

Brake booster
Inspection Operation Depress the brake pedal several times at five second intervals with the engine stopped. Start the engine with the brake pedal fully depressed. Check that the clearance between brake pedal and dash lower panel decreases. NOTE: A slight impact with a small click may be felt ...

В© 2014-2018 Copyright www.nisentra.com