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".

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