Operation CHARM: Car repair manuals for everyone.

Fail-Safe Chart





LIGHTING (EXT): LIGHTING SYSTEM: FAIL-SAFE CHART

1. HID Headlight System

The light control ECU performs the following fail-safe operations when there are abnormalities in the output voltage, input voltage or light voltage.





2. Automatic Light Control System

If the main body ECU detects a malfunction in the automatic light control sensor, the main body ECU effects fail-safe control to prohibit the automatic light control. If the low beam headlights and taillights are on, the lights will remain on until the light control switch is turned off.

3. Automatic High Beam System

(a) The main body ECU operates in the fail-safe mode if an abnormal condition such as those listed below has been detected.