DeVille d Elegance V8-4.6L VIN Y (1998)
Body Control Module: Description and Operation
Exterior Lighting Control
The Body Control Module (PZM) provides control for following exterior lighting items:
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The low beams and the park lamps
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The high beams
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The daytime running lamps
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The fog lamps
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The backup lamps
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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.
