NAVIGATION SYSTEM Parking Brake Switch Circuit

DESCRIPTION

This circuit is from the parking brake switch assembly to the radio and display receiver assembly.

WIRING DIAGRAM

A01V1REE14
*a Parking Brake Switch Assembly
*b Radio and Display Receiver Assembly

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

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - PARKING BRAKE SWITCH ASSEMBLY)


    1. Disconnect the F70 radio and display receiver assembly connector.

    2. Disconnect the F19 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
      F70-6 (PKB) - F19-1 Always Below 1 Ω
      F70-6 (PKB) - Body ground Always 10 kΩ or higher

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR