THEFT DETERRENT SYSTEM Glass Breakage Sensor Circuit

DTC Code DTC Name
Glass Breakage Sensor Circuit

DESCRIPTION

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

WIRING DIAGRAM

B225357E02

PROCEDURE

  1. READ VALUE USING INTELLIGENT TESTER (GLASS BREAKAGE SENSOR)

    1. Using the intelligent tester, read the Data List (Click here).

      Table 1. Main Body

      Tester Display

      Measurement Item/Range

      Normal Condition

      Diagnostic Note

      Sealed Glas Brak Sen

      Glass breakage sensor detection / With or Without

      With: Glass breakage sensor operates

      Without: Glass breakage sensor does not operate

      -

      OK

      WITH (glass breakage sensor operates) appears on screen.

    REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

  2. INSPECT BACK DOOR GLASS (GLASS BREAKAGE SENSOR)

    1. Disconnect the S9 glass connector.

      B225351E02

    2. Disconnect the S2 defogger connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      1 (SSR+) - 1 (E)

      Always

      Below 1 Ω
      Table 2. Text in Illustration

      *1

      From Inside Vehicle

      -

      -

    REPLACE BACK DOOR GLASS (GLASS BREAKAGE SENSOR)

    (Click here)

  3. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BACK DOOR GLASS AND BODY GROUND)

    1. U122530E02

      Disconnect the H81 ECU connector.

    2. Disconnect the S9 glass connector.

    3. Disconnect the S2 defogger connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      H81-8 (GBS) - S9-1 (SSR+)

      Always

      Below 1 Ω

      H81-8 (GBS) or S9-1 (SSR+) - Body ground

      Always

      10 kΩ or higher

      S2-1 (E) - Body ground

      Always

      Below 1 Ω
      Table 3. Text in Illustration

      *1

      Front view of wire harness connector

      (to Main Body ECU [Instrument Panel Junction Block Assembly])

      *2

      Front view of wire harness connector

      (to Back Door Glass)

    REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

    REPAIR OR REPLACE HARNESS OR CONNECTOR