NAVIGATION SYSTEM (for DVD) Parking Brake Switch Circuit

DESCRIPTION

This circuit is from the parking brake switch to the display and navigation module display.

WIRING DIAGRAM

A01NE4EE07

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK BRAKE WARNING LIGHT


    1. Check that the brake warning light comes on when the parking brake is applied and goes off when it is released.

      OK
      The brake warning light operates as specified above.

    NG

    INSPECT PARKING BRAKE SWITCH Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (PARKING BRAKE SWITCH - DISPLAY AND NAVIGATION MODULE DISPLAY)


    1. A01NHNPE06

      Disconnect the display and navigation module display connector.

    2. A01NFDVE05

      Disconnect the parking brake switch connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester connection Condition Specified condition
      G4-17 (PKB) - A49-1 Always Below 1 Ω
      G4-17 (PKB) - Body ground Always 10 kΩ or higher
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Display and Navigation Module Display)
      *2

      Front view of wire harness connector

      (to Parking Brake Switch)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  3. INSPECT PARKING BRAKE SWITCH


    1. A01NE9QE01

      Disconnect the parking brake switch connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester connection Condition Specified condition
      A49-1 - Switch body ON (When shaft is not pressed) Below 1 Ω
      A49-1 - Switch body OFF (When shaft is pressed) 10 kΩ or higher
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    B

    REPLACE PARKING BRAKE SWITCH Click here

    C

    REPLACE PARKING BRAKE SWITCH Click here

    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR