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

1. 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)

1. 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)

1. Disconnect the tvip ecu and glass breakage sensor ecu connectors.
2.  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)

1. Disconnect the glass breakage sensor ecu connector.
2.  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