Discovery II
SUNROOF
DESCRIPTION AND OPERATION
76-6-5
Description
General
The sunroof system consists of a front and a rear sunroof assembly. Both sunroof assemblies slide and tilt to open.
The sunroof system consists of the following components:
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Sunroof ECU.
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BCU.
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Front sunroof switch.
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Front sunroof motor and microswitch.
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Rear sunroof - front switch.
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Rear sunroof - rear switch.
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Rear sunroof isolation switch.
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Rear sunroof motor and microswitch.
The BCU enables operation of the sunroof ECU. If the sunroof ECU does not receive an enable signal from the BCU,
neither sunroof assembly operates. The BCU is located behind the glovebox. The sunroof ECU is located above the
headlining next to the front sunroof assembly.
TestBook diagnoses the sunroof ECU.