Automatic vertical headlight aim control system, layout

Fig 1: Automatic Vertical Headlight Aim Control System Layout

Courtesy of VOLKSWAGEN UNITED STATES, INC.

WARNING:

HIGH VOLTAGE!
Always disconnect negative ( - ) battery terminal prior to servicing any parts of the HID lamp system marked with the yellow "HIGH VOLTAGE!"symbol.
After disconnecting battery, briefly turn headlights on and off in order discharge any residual voltage.

1 - Headlights with High Intensity Gas Discharge (HID) Lamps

Fig 2: Automatic Vertical Headlight Aim Control System Layout

Courtesy of VOLKSWAGEN UNITED STATES, INC.

2 - Left Front Level Control System Sensor -G78-

Located at left front control arm of front axle
Removing and installing. Refer to Left Front Level Control System Sensor -G78-, removing and installing

3 - Left rear level control system sensor -G76-

Front-wheel drive: located at rear axle
Removing and installing. Refer to Left Rear Level Control System Sensor -G76-, removing and installing
All-wheel drive: located at rear crossmember left
Removing and installing. Refer to Left Rear Level Control System Sensor -G76-, removing and installing

4 - Headlight Range Control Module -J431-

Coupe: located below rear seat bench
Removing and installing. Refer to Headlight Range Control Module -J431- - Coupe, removing and installing
Roadster: located behind bulkhead, center, below convertible top storage compartment, on floor
Removing and installing. Refer to Headlight Range Control Module -J431- - Roadster, removing and installing