Inspection Procedure
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
- Check light control switch using LEXUS hand-held tester.
PREPARATION:
Connect the LEXUS hand-held tester to the DLC3.
CHECK:
Check the light control switch using DATA LIST.
OK:
Light control switch:
LIGHT CONTROL SWITCH SPECIFICATIONSwitch name (Tester display) No pressing Pressing Light control switch TAIL (TAIL LIGHT SW) OFF ON Light control switch HEAD (HEAD LIGHT SW) OFF ON Light control switch AUTO (LIGHT AUTO SW) OFF ON Fog light switch:
FOG LIGHT SWITCHSwitch name (Tester display) No pressing Pressing Front fog light switch (F FOG LIGHT SW) OFF ON Rear fog light switch (R FOG LIGHT SW) OFF ON Headlight dimmer switch:
HEADLIGHT DIMMER SWITCHSwitch name (Tester display) No pressing Pressing Light control switch Flash (PASSING SW) OFF ON Light control switch HI (DIMMER HI SW) OFF ON Turn signal and hazard warning switch:
TURN SIGNAL AND HAZARD WARNING SWITCH SPECIFICATIONSwitch name (Tester display) No pressing Pressing Turn signal switch Left (TURN LEFT SW) OFF ON Turn signal switch Right (TURN RIGHT SW) OFF ON - OK : Proceed to next circuit inspection shown on problem symptom table (See PROBLEM SYMPTOMS TABLE ).
- NG : Replace combination switch (See REMOVAL ).