LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2002 >> LS 430 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Headlight Beam Level Control System >> Headlight Beam Level Control System >> Pre-Check >> Fail-Safe Function
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fail-Safe Function

HINT:

The Headlight Leveling Control ECU performs the fail-safe when detecting following troubles.

At this it lights the warning light ("HEADLIGHT LEVELING") on the combination meter (multi-information display

Fig 1: ECU Fail-Safe Function Chart
G01145384Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Recovery condition (The warning light goes off.)