NAVIGATION SYSTEM Parking Brake Switch Circuit

DESCRIPTION

This circuit is from the parking brake switch to the multi-display.

WIRING DIAGRAM

A01606YE02

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 (MULTI-DISPLAY - PARKING BRAKE SWITCH)


    1. A0161DPE03

      Disconnect the multi-display connector and parking brake switch connector.

    2. A01628DE13

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J50-23 (PKB) - A25-1 Always Below 1 Ω
      J50-23 (PKB) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  3. INSPECT PARKING BRAKE SWITCH


    1. A01600BE01

      Remove the parking brake switch.

    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

    NG

    REPLACE PARKING BRAKE SWITCH Click here

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR