THEFT DETERRENT SYSTEM Glass Breakage Sensor Circuit

DESCRIPTION

When the glass breakage sensor detects that the back door glass is tapped or broken, the sensor will set off the alarm for 30 seconds.

WIRING DIAGRAM

A01HHZZE01
*a Back Door Glass (Glass Breakage Sensor)
*b Main Body ECU (Multiplex Network Body ECU)

CAUTION / NOTICE / HINT

Note


  • If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.

  • As the door control battery is installed between the vehicle battery and main body ECU (multiplex network body ECU), first perform the inspections in On-Vehicle Inspection to confirm that there are no malfunctions in the power source circuit for the main body ECU (multiplex network body ECU) before performing this troubleshooting procedure.*

    *: w/ Door Control Battery

    Click here

PROCEDURE


  1. READ VALUE USING GTS (GLASS BREAK SENSOR)


    1. Connect the GTS to the DLC3.

    2. Turn the engine 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 connecting 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" (glass breakage sensor operating) appears on GTS screen.
      Result
      Proceed to
      OK (for LHD)
      OK (for RHD)
      NG

    OK (for LHD)

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

    OK (for RHD)

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

    NG

  2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] - GLASS BREAKAGE SENSOR AND BODY GROUND)


    1. Disconnect the I48 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the Y2 back door glass (glass breakage sensor) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I48-7 (GPBS) - Y2-1 (SSR+) Always Below 1 Ω
      I48-7 (GPBS) - Body ground Always 10 kΩ or higher
      Y2-1 (SSR+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT BACK DOOR GLASS


    1. Disconnect the Y2 back door glass (glass breakage sensor) connector.

    2. A01HH8CE01

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

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

    OK (for LHD)

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

    OK (for RHD)

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

    NG

    REPLACE BACK DOOR GLASS (GLASS BREAKAGE SENSOR) Click here