The powers sunroof or sliding roof system comprises of the control switch, module, roof motor and the glass and track system. The sunroof switch is located in the overhead panel module in the headliner approximately above the position of the rear-view mirror. To diagnose the problem with the sunroof operations, the first thing that is checked is the 30-amp 'Power' and the 10-amp 'Gauge'
Fuses that are fitted in the instrument panel fuse/
Relay box. Should the fuses be healthy, the P/W relay located in the instrument panel fuse/relay box can be inspected as this relay controls power to the sunroof relay existent in the module attached to the sunroof control switch bezel.