LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mini >> 2012 >> Cooper Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 818 (Lights - Service Information) >> Light >> E46 Stepper Motor Controllers >> How It Works >> Swivelling Ranges
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Swivelling Ranges

WARNING: This page does not describe the selected car, but rather 37 other vehicles, including the 2006 BMW 330Ci, 2006 BMW 325Ci, 2005 BMW M3, 2005 BMW 330xi, and 2005 BMW 330i. However, it is still accessible from the selected car via links, so may be relevant.

The swivel motors are controlled in a forwards and reverse direction from the straight-ahead position as follows:

For example, the right-hand headlight has the following swivelling ranges:

The stepper motor controller (SMC) sends the coded end stop of the swivelling range to the AHL control unit. The AHL control unit only outputs values that correspond to the coded end stop of the swivelling range.