GM Service Manual Online
For 1990-2009 cars only
Figure 1:

AQ9: Power Seat Cushion Air Control Module, Lumbar Switches


Object Number: 502170  Size: FS
Power Seat Systems Components
Power Lumbar Circuit Description
AQ9: Power Seat Switch, Switch Motors
HVAC Control, Rear Defogger Grid
AQ9: Power Seat Switch, Switch Motors
AQ9: Power Seat Switch, Switch Motors
Handling ESD Sensitive Parts Notice
Figure 2:

AQ9: Power Seat Switch, Switch Motors


Object Number: 502172  Size: FS
Power Seat Systems Components
Power Lumbar Circuit Description
AQ9: Power Seat Cushion Air Control Module, Lumbar Switches
AQ9: Power Seat Cushion Air Control Module, Lumbar Switches
AQ9: Power Seat Cushion Air Control Module, Lumbar Switches
G305, G310, G320