Inspection Procedure
- CHECK HAZARD WARNING SIGNAL SWITCH ASSY
- Check the hazard warning switch continuity, as shown in
Fig 1 and TESTING HAZARD WARNING SWITCH CONTINUITY .
Standard:
TESTING HAZARD WARNING SWITCH CONTINUITYTest Between Terminals No. Switch Position Specified Condition ..... Switch OFF Continuity 1 <=> 4 Switch ON Continuity 8 <=> 9 Illumination Circuit Continuity
- NG: REPLACE HAZARD WARNING SIGNAL SWITCH ASSY
- OK: Go to next step.
- Check the hazard warning switch continuity, as shown in
Fig 1 and TESTING HAZARD WARNING SWITCH CONTINUITY .
- CHECK TURN SIGNAL FLASHER ASSY (Refer to
TURN SIGNAL FLASHER ASSY
).
- 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 continuity between the terminals of the TVIP ECU connector and turn signal flasher connector, as shown in
Fig 2 and TVIP ECU TO TURN SIGNAL FLASHER RELAY CONTINUITY .
Standard:
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TVIP ECU TO TURN SIGNAL FLASHER RELAY CONTINUITYTest Between Terminals No. Specified Condition HAZD (T3-8) <=> HAZ (T2-8) Continuity
- NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
- OK: Go to next step.
- CHECK WIRE HARNESS (HAZARD WARNING SWITCH <=> BODY GROUND)
- Disconnect the hazard warning switch connector.
- Check the continuity between the terminal of the hazard warning switch connector and body ground, as shown in
Fig 3 and TESTING HAZARD WARNING SWITCH CONTINUITY .
Standard:
TESTING HAZARD WARNING SWITCH CONTINUITYTest Between Terminals No. Specified Condition H7-1 <=> Body ground Continuity
- NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
- OK: CHECK AND REPLACE TVIP ECU (Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).