Inspection Procedure
- CHECK HEADLAMP DIMMER SWITCH ASSY (LIGHT CONTROL SWITCH) (Refer to
HEADLAMP DIMMER SWITCH ASSY (LIGHT CONTROL SWITCH)
).
- NG: REPLACE HEADLAMP DIMMER SWITCH ASSY (LIGHT CONTROL SWITCH)
- OK: Go to next step.
- CHECK WIRE HARNESS (TVIP ECU <=> LIGHT CONTROL SWITCH)
- Disconnect the TVIP ECU and light control switch connectors.
- Check the continuity between the terminals of the TVIP ECU connector and light control switch connector, as shown in
Fig 1 and TESTING TVIP ECU HEADLIGHT TO LIGHT CONTROL SWITCH .
Standard:
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TESTING TVIP ECU HEADLIGHT TO LIGHT CONTROL SWITCHTest Between Terminals No. Specified Condition HEAD (T3-6) <=> RF (C12-12) Continuity
- NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
- OK: Go to next step.
- CHECK WIRE HARNESS (LIGHT CONTROL SWITCH <=> BODY GROUND)
- Disconnect the light control switch connector.
- Check the continuity between the terminal of the light control switch connector and the body ground, as shown in
Fig 2 and TESTING LIGHT CONTROL SWITCH CONTINUITY .
Standard:
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TESTING LIGHT CONTROL SWITCH CONTINUITYTest Between Terminals No. Specified Condition T (C12-10) <=> Body Ground Continuity
- NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
- OK: CHECK AND REPLACE TVIP ECU (Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE )