THEFT DETERRENT SYSTEM Glass Breakage Sensor Circuit

DESCRIPTION

When the main body ECU (multiplex network body ECU) detects that the glass breakage sensor (back door glass) is broken, the theft deterrent system switches from the armed state to the alarm sounding state.

WIRING DIAGRAM

A001UI1E03
*a Glass Breakage Sensor (Back Door Glass)
*b Main Body ECU (Multiplex Network Body ECU)

CAUTION / NOTICE / HINT

Note

Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.

PROCEDURE


  1. READ VALUE USING GTS (SEALED GLAS BRAK SEN)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Main Body / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > Main Body > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Sealed Glas Brak Sen Glass breakage sensor connection With or Without

      With: Glass breakage sensor connected

      Without: Glass breakage sensor not connected

      		 -

      Body Electrical > Main Body > Data List
      Tester Display
      Sealed Glas Brak Sen
      OK
      With is displayed on the GTS screen.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

  2. INSPECT GLASS BREAKAGE SENSOR (BACK DOOR GLASS)


    1. Inspect the glass breakage sensor (back door glass).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE GLASS BREAKAGE SENSOR (BACK DOOR GLASS) Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU - GLASS BREAKAGE SENSOR (BACK DOOR GLASS))


    1. Disconnect the F15 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the S12 glass breakage sensor (back door glass) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F15-7 (GPBS) - S12-2 (SSR+) Always Below 1 Ω
      F15-7 (GPBS) or S12-2 (SSR+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (GLASS BREAKAGE SENSOR (BACK DOOR GLASS) - BODY GROUND)


    1. Disconnect the S12 glass breakage sensor (back door glass) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S12-1 (SSR-) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR