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Nissan Sentra B18 (2020-2025) Service Manual: Parking Brake Switch Signal Circuit

Component Function Check

Component Function Check

  1. CHECK COMBINATION METER INPUT SIGNAL

    1. CONSULT

      1. Select “PKB SW� in “Data Monitor� mode of “METER/M&A�.

      2. Check that the function operates normally according to the following conditions:

        Monitor item

        Condition

        Status

        PKB SW

        When parking brake is applied

        ON

        When parking brake is released

        OFF

    Is the inspection result normal?

    YES >>

    Inspection End.

    NO >>

    Refer to Diagnosis Procedure.

Diagnosis Procedure

Diagnosis Procedure

  1. CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT

      1. Ignition switch OFF.

      2. Disconnect combination meter harness connector and parking brake switch harness connector.

      3. Check continuity between combination meter harness connector and parking brake switch harness connector.

        With M/T

        Combination meter

        Parking brake switch

        Continuity

        Connector

        Terminal

        Connector

        Terminal

        M24

        14

        M130

        1

        Yes

        With CVT

        Combination meter

        Parking brake switch

        Continuity

        Connector

        Terminal

        Connector

        Terminal

        M24

        14

        E80

        1

        Yes

      4. Check continuity between combination meter harness connector and ground.

        Combination meter

        —

        Continuity

        Connector

        Terminal

        M24

        14

        Ground

        No

    Is the inspection result normal?

    YES >>

    Inspection End.

    NO >>

    Repair or replace harness or connector.

Component Inspection

Component Inspection

  1. CHECK PARKING BRAKE SWITCH

    1. Check continuity between parking brake switch terminal and switch case ground.

      Component

      Terminal

      Condition

      Continuity

      Parking brake switch

      1

      Parking brake applied

      Yes

      Parking brake released

      No

    Is the inspection result normal?

    YES >>

    Inspection End.

    NO >>

    Replace parking brake switch. Refer to Removal and Installation (hand lever with rear drum brakes) or Removal and Installation (foot pedal with rear drum brakes).

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