Glass Breakage Sensor Circuit

THEFT DETERRENT: TOYOTA VEHICLE INTRUSION PROTECTION SYSTEM: Glass Breakage Sensor Circuit

Glass Breakage Sensor Circuit

DESCRIPTION

The microphone of the glass breakage sensor is built into the security indicator. When this microphone senses breakage of glass, the glass breakage sensor ECU sends the signal of this breakage to the TVIP ECU.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK SECURITY INDICATOR
(a) Set the system in 30 seconds after flipping the security indicator to check if the alarm is triggered.
OK:
The alarm is triggered.
OK -- END
NG -- Continue to next step.
2. CHECK GLASS BREAKAGE SENSOR ECU (GLASS BREAKAGE SENSOR)





(a) Measure the voltage and resistance according to the value(s) in the table below.
Standard:





NG -- REPLACE GLASS BREAKAGE SENSOR ECU
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (TVIP ECU - GLASS BREAKAGE SENSOR ECU)





(a) Disconnect the TVIP ECU and glass breakage sensor ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (GLASS BREAKAGE SENSOR ECU - BODY GROUND)





(a) Disconnect the glass breakage sensor ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE TVIP ECU