LIGHTING SYSTEM CONTROL LIGHT AUTO TURN-OFF CONTROL
FUNCTION OF MAIN COMPONENTS
Component
Function
Body ECU
Receives various signals and turns off the exterior lights.
H-LP Relay
Shuts down power to the headlights.
FR Fog Relay*
Shuts down power to the front fog lights.
RR Fog Relay
Shuts down power to the rear fog light.
TAIL Relay
Shuts down power to the taillights, clearance lights and license plate lights.
Headlight Dimmer Switch Assembly
Light Control Switch
Outputs a light control switch position signal to the body ECU.
*: Models with front fog lights
SYSTEM CONTROL
The light auto turn-off system operates as follows:
Function
Operation Condition
Headlight or Front Fog Light Auto Turn-off
When both of the following conditions are met, the headlights or front fog lights* automatically turn off:
The ignition switch is turned off.
The light control switch is in the tail or head position.
Exterior Light Auto Turn-off
When both of the following conditions are met, the exterior lights automatically turn off:
The ignition switch is turned off.
The light control switch is in the AUTO position.
*: Models with front fog lights