Inspection Procedure
WARNING: This page is about a different car, the 2006 Toyota Corolla and 2005 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK UNLOCK WARNING SWITCH ASSY
- Disconnect the unlock warning switch connector.
- Check the resistance between the terminals of the unlock warning switch connector, as shown in the illustration and table.
Standard:
SERVICE POSITION SPECIFICATIONTerminal No. Switch position Specified Condition 1 - 2 Pushed (Key inserted) Below 1 Ω 1 - 2 Not pushed (Key removed) 10 kΩ or higher - NG: REPLACE UNLOCK WARNING SWITCH ASSY
- OK: GO TO NEXT STEP
- CHECK WIRE HARNESS (TVIP ECU - UNLOCK WARNING SWITCH)
- Disconnect the TVIP ECU and unlock warning switch connectors.
- Check the resistance between the terminals of the TVIP ECU connectors and unlock warning switch connector, as shown in the illustration and table.
Standard:
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Specified Condition KSW (T3-12) - U1-2 Below 1 Ω - NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
- OK: GO TO NEXT STEP
- CHECK WIRE HARNESS (UNLOCK WARNING SWITCH - BODY GROUND)
- Disconnect the unlock warning switch connector.
- Check the resistance between the terminal of the unlock warning switch connector and the body ground, as shown in the illustration and table.
Standard:
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Specified Condition U1-1 - Body ground Below 1 Ω - NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
- OK: GO TO NEXT STEP
CHECK AND REPLACE TVIP ECU (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )