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

A01G3T6E01
*a Instrument Panel Junction Block Assembly
*b Glass Breakage Sensor (Back Door Glass)
*c Main Body ECU (Multiplex Network Body ECU)

PROCEDURE


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


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

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

    5. According to the display on the GTS, read the Data List.


      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 appears on the tester 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. A01G3D3C01
      *1 Back Door Glass
      *2 Connector

      Disconnect the Q11 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
      1 - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE GLASS BREAKAGE SENSOR (BACK DOOR GLASS)

    OK

  3. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. Remove the main body ECU (multiplex network body ECU).

      Click here

      A01G2XNC02
      *a

      Component without harness connected

      (Instrument Panel Junction Block Assembly)

      		 - -

    2. Disconnect the 3E instrument panel junction block assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3E-35 - MB-19 (GPBS) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - GLASS BREAKAGE SENSOR (BACK DOOR GLASS))


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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3E-35 - Q11-1 (SSR+) Always Below 1 Ω
      3E-35 - Body ground Always 10 kΩ or higher
      Q11-1 (SSR+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR