GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2003
🢒
Impala
🢒
Body and Accessories
🢒
Cellular Communication
🢒 Cellular Communication Component Views
Figure
1:
OnStar Subsystem
(1)
Roof Harness
(2)
OnStar Button Assembly
(3)
Inside Rearview Mirror
(4)
Cellular Antenna
(5)
C393
(6)
Navigation Antenna
(7)
Vehicle Communication Interface Module (VCIM)
(8)
C395
(9)
C392
Figure
2:
Above Left Side of Package Shelf
(1)
C395
(2)
C393
(3)
Cellular Antenna Coax Connector
(4)
C392
(5)
Main Body Wiring Harness
Figure
3:
Rear of Left Rear Wheelhouse
(1)
Vehicle Communication Interface Module (VCIM)
(2)
Wheelhouse-LR