Theft Deterrent System Glass Breakage Sensor Circuit

Vehicle Interior. Corolla. Zre142 Aze141
Theft Deterrent Keyless Entry. Corolla. Zre142 Aze141

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING TECHSTREAM

CHECK HARNESS AND CONNECTOR (GLASS BREAKAGE SENSOR ECU ASSEMBLY - POWER SOURCE)

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

CHECK HARNESS AND CONNECTOR (THEFT WARNING ECU ASSEMBLY - GLASS BREAKAGE SENSOR ECU)

CHECK HARNESS AND CONNECTOR (GLASS BREAKAGE SENSOR ECU - GLASS BREAKAGE SENSOR MICROPHONE)

INSPECT GLASS BREAKAGE SENSOR ECU ASSEMBLY (MICROPHONE OUTPUT)

REPLACE GLASS BREAKAGE SENSOR MICROPHONE

CHECK GLASS BREAKAGE SENSOR

REPLACE GLASS BREAKAGE SENSOR ECU ASSEMBLY

CHECK GLASS BREAKAGE SENSOR

THEFT DETERRENT SYSTEM - Glass Breakage Sensor Circuit


DESCRIPTION

When the glass breakage sensor detects that any door glass is tapped or broken, the sensor will set off an alarm for 57 seconds.

WIRING DIAGRAM


Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Theft Deterrent System Glass Breakage Sensor Circuit


INSPECTION PROCEDURE

1.READ VALUE USING TECHSTREAM

  1. Connect the Techstream to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the Techstream on.

  1. Select the item below in the Data List and then check that the indicator operates.

    Security
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Glass break sensor detection
    		Glass breakage sensor detection / ON or OFF
    		ON: Glass breakage sensor operates
    OFF: Glass breakage sensor does not operate
    		-
    OK:
    When tapping on the glass breakage sensor microphone with your finger, "ON" is displayed on the Techstream screen.


NG
Go to step 2
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (COROLLA_ZRE142 RM0000026P102LX.html)

2.CHECK HARNESS AND CONNECTOR (GLASS BREAKAGE SENSOR ECU ASSEMBLY - POWER SOURCE)


    Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Theft Deterrent System Glass Breakage Sensor Circuit

  1. Disconnect the E108 glass breakage sensor ECU assembly connector.

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    E108-2 (GB+B) - Body ground
    		Always
    		11 to 14 V
    E108-3 (GBIG) - Body ground
    		Ignition switch ON
    		11 to 14 V
    E108-3 (GBIG) - Body ground
    		Ignition switch off
    		Below 1 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


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


    Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Theft Deterrent System Glass Breakage Sensor Circuit

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E108-6 (GND) - Body ground
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.CHECK HARNESS AND CONNECTOR (THEFT WARNING ECU ASSEMBLY - GLASS BREAKAGE SENSOR ECU)


  1. Disconnect the E110 theft warning ECU assembly connector.


    Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Theft Deterrent System Glass Breakage Sensor Circuit

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E110-3 (GBS) - E108-5 (GBSI)
    		Always
    		Below 1 Ω
    E110-3 (GBS) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


5.CHECK HARNESS AND CONNECTOR (GLASS BREAKAGE SENSOR ECU - GLASS BREAKAGE SENSOR MICROPHONE)


    Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Theft Deterrent System Glass Breakage Sensor Circuit

  1. Disconnect the E109 glass breakage sensor microphone connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E108-7 (MI-) - E109-4 (MIC-)
    		Always
    		Below 1 Ω
    E108-8 (MI+) - E109-3 (MIC+)
    		Always
    		Below 1 Ω
    E108-7 (MI-) - Body ground
    		Always
    		10 kΩ or higher
    E108-8 (MI+) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


6.INSPECT GLASS BREAKAGE SENSOR ECU ASSEMBLY (MICROPHONE OUTPUT)


    Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Theft Deterrent System Glass Breakage Sensor Circuit

  1. Reconnect the E108 glass breakage sensor ECU assembly, E109 glass breakage sensor microphone and E110 theft warning ECU assembly connectors.

  1. Connect an oscilloscope to terminal 5 (GBSI) of the glass breakage sensor ECU assembly and body ground.

  1. Turn the ignition switch to ON.



    Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Theft Deterrent System Glass Breakage Sensor Circuit

  1. Check the signal waveform according to the condition(s) in the table below.

    Item
    		Condition
    Tool setting
    		1 V/DIV, 50 ms/DIV
    Vehicle condition
    		Tap the glass breakage sensor microphone with a hard object such as your fingernail.
    OK:
    Waveform is as shown in the illustration.


NG
Go to step 7
OK

REPLACE GLASS BREAKAGE SENSOR ECU ASSEMBLY (COROLLA_ZRE142 RM000003CO800BX.html)

7.REPLACE GLASS BREAKAGE SENSOR MICROPHONE

  1. Replace glass breakage sensor microphone (COROLLA_ZRE142 RM000003CO800AX.html).


NEXT


8.CHECK GLASS BREAKAGE SENSOR

  1. Check the glass breakage sensor operation (COROLLA_ZRE142 RM0000026P005SX.html).

  1. Connect the Techstream to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the Techstream on.

  1. Select the item below in the Data List and then check that the indicator operates.

    Security
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Glass break sensor detection
    		Glass breakage sensor detection / ON or OFF
    		ON: Glass breakage sensor operates
    OFF: Glass breakage sensor does not operates
    		-
    OK:
    When tapping on the glass breakage sensor microphone with your finger, "ON" is displayed on the Techstream screen.
    Result:
    Result
    		Proceed to
    Glass breakage sensor operates
    		OK
    Glass breakage sensor does not operate
    		NG


NG
Go to step 9
OK

END

9.REPLACE GLASS BREAKAGE SENSOR ECU ASSEMBLY

  1. Replace glass breakage sensor ECU assembly (COROLLA_ZRE142 RM000003CO800BX.html).


NEXT


10.CHECK GLASS BREAKAGE SENSOR

  1. Check the glass breakage sensor operation (COROLLA_ZRE142 RM0000026P005SX.html).

  1. Connect the Techstream to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the Techstream on.

  1. Select the item below in the Data List and then check that the indicator operates.

    Security
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Glass break sensor detection
    		Glass breakage sensor detection / ON or OFF
    		ON: Glass breakage sensor operates
    OFF: Glass breakage sensor does not operates
    		-
    OK:
    When tapping on the glass breakage sensor microphone with your finger, "ON" is displayed on the Techstream screen.
    Result:
    Result
    		Proceed to
    Glass breakage sensor operates
    		OK
    Glass breakage sensor does not operate
    		NG


NG
REPLACE THEFT WARNING ECU ASSEMBLY (COROLLA_ZRE142 RM00000342K00IX.html)
OK

END