THEFT DETERRENT SYSTEM > Glass Breakage Sensor Circuit

for Preparation Click here


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


B272426E01


INSPECTION PROCEDURE

1.INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


  1. Disconnect the MB main body ECU (multiplex network body ECU) and 2B instrument panel junction block assembly connectors.


    B231215E02

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    2B-15 - MB-19 (GPBS)
    Always
    Below 1 Ω
    2B-15 - Body ground
    Always
    10 kΩ or higher


    Text in Illustration 
    *a
    Component without harness connected
    (Instrument Panel Junction Block Assembly)
    -
    -



NG
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (Click here)
OK


2.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - GLASS BREAKAGE SENSOR - BODY GROUND)
  1. Disconnect the V10 glass breakage sensor (back door glass) connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    2B-15 - V10-2 (SSR+)
    Always
    Below 1 Ω
    V10-2 (SSR+) - Body ground
    Always
    10 kΩ or higher
    V10-3 (SSR-) - Body ground
    Always
    Below 1 Ω



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.INSPECT GLASS BREAKAGE SENSOR (BACK DOOR GLASS)


    B271898
  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    2 (SSR+) - 3 (SSR-)
    Always
    Below 1 Ω
    2 (SSR+) - Body ground
    Always
    10 kΩ or higher



NG
REPLACE GLASS BREAKAGE SENSOR (BACK DOOR GLASS) (Click here)
OK

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