Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Indicator light circuit / Inspection procedure

Toyota Corolla (E120): Inspection procedure

1 Check security indicator light

1. Remove the security indicator.
2.  check the indicator light, as shown in the illustration and table.

Standard:

2 Check wire harness (tvip ecu  security indicator)

1. Disconnect the tvip ecu and security indicator connectors.
2.  check the continuity between the terminals of the tvip ecu connector and security indicator connector, as shown in the illustration and table.

Standard:

3 Check wire harness (security indicator  body ground)

1. Disconnect the security indicator connector.
2.  check the continuity between the terminal of the security indicator connector and body ground, as shown in the illustration and table.

Standard:

Check and replace tvip ecu