NAVIGATION SYSTEM (for DVD) Parking Brake Switch Circuit

DESCRIPTION

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

WIRING DIAGRAM

A003ZQAE65

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 ASSEMBLY Click here

    OK

  2. CHECK HARNESS AND CONNECTOR


    1. Disconnect the H60 display and navigation module display connector.

    2. Disconnect the A24 parking brake switch assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H60-17 (PKB) - A24-1 Always Below 1 Ω
      H60-17 (PKB) - Body ground Always 10 kΩ or higher

    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 ASSEMBLY


    1. A003YWJE01

      Disconnect the parking brake switch assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Switch connector - Switch body ON (When shaft is not pressed) Below 1 Ω
      Switch connector - Switch body OFF (When shaft is pressed) 10 kΩ or higher

    3. Proceed to the next step based on the inspection result.

      Result
      Condition Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    B

    REPLACE PARKING BRAKE SWITCH ASSEMBLY Click here

    C

    REPLACE PARKING BRAKE SWITCH ASSEMBLY Click here

    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR