Principles of Operation
The roof opening panel assembly uses an integrated motor and module to operate the roof opening panel. The roof opening panel motor and module are installed new as an assembly. The roof opening panel is an electronically operated glass panel that can be opened, closed or tilted by operating the roof opening panel switch. Pressing the roof opening panel switch forward or rearward supplies a ground to the roof opening panel motor/module.
The roof opening panel also incorporates a bounce back feature. The bounce back feature is an automatic reversal of the roof opening panel motor if an obstruction is encountered during closing of the roof opening panel glass. The powertrain control module (PCM) sends a vehicle speed signal to the roof opening panel motor. The roof opening panel motor can then account for the vehicle speed and compensate how the roof opening panel glass bounces back while the vehicle is in motion.
Normal Operation
The roof opening panel motor is supplied voltage through circuit 15-AG12 (GN/BK) and 29-AG12 (OG/BK) when the ignition key is in the ACC or RUN position. The roof opening panel motor is grounded through circuit 31-AG12 (BK). The roof opening panel switch is supplied voltage through circuit 15-AG7 (GN/BU) when the ignition key is in the ACC or RUN position. The roof opening panel switch is grounded through circuit 31-AG7 (BK). When the roof opening panel switch is pressed it connects circuit 31-AG12 (BK) to circuit 31S-AG27 (BK/WH) for DOWN/OPEN or to circuit 31S-AG7 (BK/BU) for UP/CLOSE.
The powertrain control module (PCM) sends a vehicle speed signal on circuit 8-RE22 (WH/VT). The roof opening panel motor receives the vehicle speed signal from the PCM on circuit 8-GB8 (WH/BU).
When the roof opening panel glass is fully closed, it is flush with the roof panel.