Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Glass breakage sensor circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check security indicator light
- Set the system in 30 seconds after filliping the security indicator to check if the alarm is triggered.


2 Check glass breakage sensor ecu (glass breakage sensor)

- Check the continuity and voltage of the glass breakage sensor ecu, as shown in the illustration and table.
Standard:



3 Check wire harness (tvip ecu glass breakage sensor ecu)

- Disconnect the tvip ecu and glass breakage sensor ecu connectors.
- check the continuity and between the connectors on the harness side, as shown in the illustration and table.
Standard:



4 Check wire harness (glass breakage sensor ecu body ground)

- Disconnect the glass breakage sensor ecu connector.
- check the continuity between the terminal of the glass breakage sensor ecu connector and the body ground, as shown in the illustration and table.
Standard:



Check and replace tvip ecu
Other materials:
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Engine coolant reservoir
Fuse boxes
Engine oil filler cap
Engine oil level dipstick
Battery
Brake fluid reservoir
Radiator
Condenser
Electric cooling fan
Checking the engine oil
With the engine at operating
temperature and turned off,
check the oil level on the ...
Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine
from starting if a key has not been previously registered in the vehicle’s on-board
computer.
Never leave the keys inside the vehicle when you leave the vehicle.
Vehicles without a smart key system: The indicator li ...
Diagnostic trouble code chart
Notice:
when removing the part, turn the ignition switch to off.
Hint:
using sst 09843–18040, it connect the terminal tc and cg of dlc3.
If any abnormality is not found when inspecting parts, inspect the ecu and
ground points for poor contact.
If a malfunction code is displayed during ...


