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 HAZARD WARNING SIGNAL SWITCH ASSY
- Check the hazard warning switch resistance, as shown in the illustration and table.
Standard:
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Switch Position Specified Condition - Switch OFF Below 1 Ω 2 - 3 Switch ON Below 1 Ω 4 - 5 Illumination circuit Below 1 Ω - NG: REPLACE HAZARD WARNING SIGNAL SWITCH ASSY
- OK: GO TO NEXT STEP
- CHECK TURN SIGNAL FLASHER ASSY (See ON-VEHICLE INSPECTION
)
- NG: REPLACE TURN SIGNAL FLASHER ASSY
- OK: GO TO NEXT STEP
- CHECK WIRE HARNESS (TVIP ECU - TURN SIGNAL FLASHER)
- Disconnect the TVIP ECU and turn signal flasher connectors.
- Check the resistance between the terminals of the TVIP ECU and turn signal flasher connectors, as shown in the illustration and table.
Standard:
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Specified Condition HAZD (T3-8) - HAZ(T2-8) Below 1 Ω - NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
- OK: GO TO NEXT STEP
- CHECK WIRE HARNESS (HAZARD WARNING SIGNAL SWITCH - BODY GROUND)
- Disconnect the hazard warning signal switch connector.
- Check the resistance between the terminal of the hazard warning signal switch connector and the body ground, as shown in the illustration and table.
Standard:
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Specified Condition H7-2 - 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 )