NAVIGATION SYSTEM (for DVD) Parking Brake Switch Circuit

DESCRIPTION

This circuit is from the parking brake switch to the navigation receiver assembly.

WIRING DIAGRAM

A017FDTE02

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 - NAVIGATION RECEIVER)


    1. A017DGIE08

      Disconnect navigation receiver assembly connector E4 and parking brake switch connector A18.

    2. A017BI7E04

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

      Standard resistance
      Tester connection Condition Specified condition
      E4-1 (PKB) - A18-1 Always Below 1 Ω
      E4-1 (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. A017BYHE01

      Disconnect 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