AUDIO AND VISUAL SYSTEM(w/ Navigation System) Parking Brake Switch Circuit

DTC Code DTC Name
Parking Brake Switch Circuit

DESCRIPTION

This circuit is from the parking brake switch assembly to the multi-media module receiver assembly.

WIRING DIAGRAM

E250925E06

PROCEDURE

  1. CHECK VEHICLE SIGNAL (OPERATION CHECK)

    1. E283942

      Display the "Vehicle Signal Check Mode" screen.

      Click hereClick here

    2. Check that the display changes between ON and OFF according to the parking brake operation.

      OK

      Parking Brake Position

      Display

      Applied

      ON

      Released

      OFF
      Tip:

      This display is updated once per second. As a result, it is normal for the display to lag behind the actual change in the switch.

    Result

    Proceed to

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click hereClick hereClick hereClick here

    NG

  2. CHECK HARNESS AND CONNECTOR (PARKING BRAKE SWITCH ASSEMBLY - MULTI-MEDIA MODULE RECEIVER ASSEMBLY)

    1. Disconnect the A39 parking brake switch assembly connector.

    2. Disconnect the H45 multi-media module receiver assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      H45-55 (PKB) - A39-1

      Always

      Below 1 Ω

      H45-55 (PKB) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. 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

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY

    Click here

    NG

    REPLACE PARKING BRAKE SWITCH ASSEMBLY

    Click here