Headlight Dimmer Switch
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Headlight dimmer switch is an integral part of headlight control switch.
- To test headlight dimmer switch, turn ignition off. Disconnect 17-pin electrical harness connector from light control switch at bottom of upper steering column bracket. Note light control switch positions and electrical terminals. See Figure.
- Using a DVOM, check continuity between specified terminals of light control switch with headlight dimmer switch in each specified position. See HEADLIGHT DIMMER SWITCH CONTINUITY table. See Figure. Replace light control switch if defective. See LIGHT CONTROL SWITCH under REMOVAL & INSTALLATION.
HEADLIGHT DIMMER SWITCH CONTINUITY
| Headlight Dimmer Switch Position | DVOM Test Points | Specification |
|---|---|---|
| Flash | 7, 8 & 16 | Continuity |
| Low Beam | 16 & 17 | Continuity |
| Hight Beam | 7 & 16 | Continuity |