Operation CHARM: Car repair manuals for everyone.

Exterior Lighting Control

The Body Control Module (PZM) provides control for following exterior lighting items:
^ The low beams and the park lamps
^ The high beams
^ The daytime running lamps
^ The fog lamps
^ The backup lamps
^ The rear fog lamps (export only)

The instrument cluster sends all of the lamp on or off requests to the PZM on the class 2 serial data line. Except for of theft deterrent activation, the PZM controls theft deterrent activation.