Nissan Sentra manuals

Nissan Sentra Service Manual: Parking brake switch signal circuit

Component function check

1.Check parking brake switch operation

Check that brake warning lamp in combination meter turns on/off when parking brake is actuated.

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

No >> proceed to diagnosis procedure. Refer to mwi-60, "diagnosis procedure".

Diagnosis procedure

Regarding Wiring Diagram information, refer to MWI-28, "Wiring Diagram".

1.Connector inspection

  1. Turn ignition switch off.
  2. Disconnect combination meter and parking brake switch connectors.
  3. Check connectors and terminals for deformation, disconnection, looseness or damage.

Is the inspection result normal? Yes >> go to 2 no >> repair or replace as necessary.

2.Check parking brake switch

Check parking brake switch. Refer to mwi-61, "component inspection".

Is the inspection result normal? Yes >> go to 3.

No >> replace parking brake switch. Refer to pb-7, "exploded view".

3.Check parking brake switch signal

With consult


  1. Connect combination meter connector and parking brake switch connectors.
  2. Turn ignition switch on.
  3. In “DATA MONITOR” select “PARK BRAKE SW” and check parking brake switch signal.

Is the inspection result normal?


Is the inspection result normal? Yes >> refer to mwi-45, "work flow".

No >> go to 4.

4.Check parking brake switch circuit

  1. Turn ignition switch off.
  2. Disconnect combination meter and parking brake switch connectors.
  3. Check continuity between combination meter connector M24 terminal 10 and parking brake switch connector M130 terminal 1.


  1. Check continuity between combination meter connector and ground.

Is the inspection result normal?


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

No >> repair or replace malfunctioning components.

Component inspection

1.Check parking brake switch

  1. Turn ignition switch off.
  2. Disconnect parking brake switch connector.
  3. Check continuity between parking brake switch terminal 1 and ground.

Is the inspection result normal?


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

No >> replace parking brake switch. Refer to pb-7, "exploded view".

Fuel level sensor signal circuit
Description The fuel level sensor unit and fuel pump detects the approximate fuel level in the fuel tank and transmits the fuel level signal to the combination meter. Component function check 1 ...

Ambient sensor signal circuit
Description It detects outside air temperature and converts it into a resistance value which is then input into the combination meter. Diagnosis Procedure Regarding wiring diagram information, ...

Other materials:

Main power supply and ground circuit
Diagnosis Procedure 1.CHECK TCM POWER CIRCUIT (PART 1) Turn ignition switch OFF. Disconnect TCM connector. Check voltage between TCM harness connector terminals and ground. Is the inspection result normal? YES >> GO TO 2. NO >> GO TO 4. 2.CHECK TCM POWER CIRCUIT (PAR ...

Read first—then drive safely
FOREWORD Welcome to the growing family of new NISSAN owners. This vehicle is delivered to you with confidence. It was produced using the latest techniques and strict quality control. This manual was prepared to help you understand the operation and maintenance of your vehicle so that you ma ...

Rearview mirror (if so equipped)
The night position 1 reduces glare from the headlights of vehicles behind you at night. Use the day position 2 when driving in daylight hours. WARNINGUse the night position only when necessary, because it reduces rear view clarity. ...

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