THEFT DETERRENT SYSTEM Glass Breakage Sensor Circuit

DESCRIPTION

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

WIRING DIAGRAM

B003QYHE03
*a Rear Door Quarter Window Glass RH
*b Body ECU
*c Rear Door Quarter Window Glass LH
*d Back Door Glass

CAUTION / NOTICE / HINT

Note


  • w/ Door control Battery:

    As the door control battery is installed between the vehicle battery and body ECU, first perform the inspections to confirm that there are no malfunctions in the power source circuit for the body ECU before performing this troubleshooting procedure.

    Click here

  • w/ Automatic Light Control System:

    If the body ECU has been replaced, it is necessary to initialize the body ECU.

    Click here

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (BODY ECU - GLASS BREAKAGE SENSOR AND BODY GROUND)


    1. Disconnect the G34 body ECU connector.

    2. Disconnect the N47, N48, b2 and b3 glass breakage sensor connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G34-2 (GPBS) - N47-2 (SSR+) Always Below 1 Ω
      N47-1 (SSR-) - N48-2 (SSR+) Always Below 1 Ω
      N48-1 (SSR-) - b3-1 Always Below 1 Ω
      b2-1 - Body ground Always Below 1 Ω
      G34-2 (GPBS) - Body ground Always 10 kΩ or higher
      N47-2 (SSR+) - Body ground Always 10 kΩ or higher
      N47-1 (SSR-) - Body ground Always 10 kΩ or higher
      N48-2 (SSR+) - Body ground Always 10 kΩ or higher
      N48-1 (SSR-) - Body ground Always 10 kΩ or higher
      b3-1 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT REAR DOOR QUARTER WINDOW GLASS RH


    1. Disconnect the N47 rear door quarter window glass RH connector.

    2. B003PMYE01

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 (SSR+) - 1 (SSR-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR DOOR QUARTER WINDOW GLASS RH Click here

    OK

  3. INSPECT REAR DOOR QUARTER WINDOW GLASS LH


    1. Disconnect the N48 rear door quarter window glass LH connector.

    2. B003PMYE02

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 (SSR+) - 1 (SSR-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR DOOR QUARTER WINDOW GLASS LH Click here

    OK

  4. INSPECT BACK DOOR GLASS


    1. Disconnect the b3 and b2 back door glass connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      b3-1 - b2-1 Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BODY ECU for LHD: Click here for RHD: Click here

    NG

    REPLACE BACK DOOR GLASS Click here