Glass Breakage Sensor Circuit

THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM: Glass Breakage Sensor Circuit
- Glass Breakage Sensor Circuit

DESCRIPTION

When the glass breakage sensor detects that any door glass is tapped or broken, the theft deterrent system switches from the armed state to the alarm sounding state.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

(a) Remove the main body ECU (multiplex network body ECU) Removal.





Text in Illustration





(b) Disconnect the 3B instrument panel junction block assembly connector.

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

Standard Resistance:





NG -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Removal
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (AUXILIARY BATTERY - GLASS BREAKAGE SENSOR ECU - BODY GROUND)

(a) Disconnect the k1 glass breakage sensor ECU connector.

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

Standard Voltage:





Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - GLASS BREAKAGE SENSOR ECU)

(a) 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 - GLASS BREAKAGE SENSOR MICROPHONE)

(a) Disconnect the k2 glass breakage sensor microphone 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.

5. REPLACE GLASS BREAKAGE SENSOR MICROPHONE

(a) Replace the glass breakage sensor microphone Removal.

NEXT -- Continue to next step.

6. CHECK GLASS BREAKAGE SENSOR

(a) Check the operation of the glass breakage sensor System Description.

OK:

When tapping on the glass breakage sensor microphone with your finger, the alarm function operates.

NG -- REPLACE GLASS BREAKAGE SENSOR ECU

OK -- END (GLASS BREAKAGE SENSOR MICROPHONE WAS DEFECTIVE)

7. REPLACE GLASS BREAKAGE SENSOR ECU

(a) Replace the glass breakage sensor ECU Removal.

NEXT -- Continue to next step.

8. CHECK GLASS BREAKAGE SENSOR

(a) Check the operation of the glass breakage sensor System Description.

OK:

When tapping on the glass breakage sensor microphone with your finger, the alarm function operates.

NG -- REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Removal

OK -- END (GLASS BREAKAGE SENSOR ECU WAS DEFECTIVE)