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

A01VDZRE01
*a F22 Parking Brake Switch Assembly
*b F117 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.
      Result
      Result Proceed to
      OK A
      NG (w/o VSC) B
      NG (for TMC Made with VSC) C
      NG (for TMMF Made with VSC) D

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


    1. Disconnect the F117 radio and display receiver assembly connector.

    2. Disconnect the F22 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
      F117-6 (PKB) - F22-1 Always Below 1 Ω
      F117-6 (PKB) - Body ground Always 10 kΩ or higher

    OK
    NG