Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Headlamp Control Module: Locations




Automatic vertical headlight aim control system, general overview


Automatic Headlight Beam Adjustment:






1 - Left/Right headlight beam adjusting motor -V48-/-V49-
2 - Left front level control system sensor -G78-

- Located at left control arm of front axle
4 - Left rear level control system sensor - G76-
- for front wheel drive vehicles
- at rear axle
5 - Headlight range control module - J431-
- behind glove compartment at carrier for instrument panel