WARNING: This page is about a different car, the 2003 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Door Control Module (DDM Power, Ground And Serial Data) Schematics Diagram
Courtesy of GENERAL MOTORS CORP.
Fig 2: Door Control Module (DDM Signals/Controls) Schematics Diagram (1 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Door Control Module (DDM Signals/Controls) Schematics Diagram (2 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 4: Door Control Module (FPDM Power, Ground, And Serial Data) Schematics Diagram
Courtesy of GENERAL MOTORS CORP.
Fig 5: Door Control Module (FPDM Signals/Controls) Schematics Diagram (1 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 6: Door Control Module (FPDM Signals/Controls) Schematics Diagram (2 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 7: Door Control Module (LRDM Power, Ground, And Serial Data) Schematics Diagram
Courtesy of GENERAL MOTORS CORP.
Fig 8: Door Control Module (LRDM Signals/Controls) Schematics Diagram
Courtesy of GENERAL MOTORS CORP.
Fig 9: Door Control Module (RRDM Power, Ground, And Serial Data) Schematics Diagram
Courtesy of GENERAL MOTORS CORP.
Fig 10: Door Control Module (RRDM Signals/Controls) Schematics Diagram