AUDIO AND VISUAL SYSTEM(for Radio and Display Type) Parking Brake Switch Circuit

DESCRIPTION

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

WIRING DIAGRAM

A01V8BCE05
*a Parking Brake Switch Assembly
*b Radio and Display Receiver Assembly

PROCEDURE


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


    1. Disconnect the G143 radio and display receiver assembly connector.

    2. Disconnect the G37 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
      G143-15 (PKB) - G37-1 Always Below 1 Ω
      G143-15 (PKB) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT PARKING BRAKE SWITCH ASSEMBLY


    1. Remove the parking brake switch assembly.

      Click here

    2. Inspect the parking brake switch assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPLACE PARKING BRAKE SWITCH ASSEMBLY Click here