LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1131 (Sunroof System) >> Diagnostic Information and Procedures >> Power Sunroof/Sunshade Inoperative >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, press the sunshade switch to the open and close positions. The sunshade should open and close when changing between the commanded states.
    • If the sunshade does not open and close, refer to the Sunroof/Sunshade Test below.
  2. Press the sunroof switch to the open and close positions. Both, the sunroof and the sunshade should open and close when changing between the commanded states.
    • If the sunroof does not move in the commanded direction, refer to the Sunroof/Sunshade Test below.
    • If the sunshade does not move in the commanded direction, refer to the Serial Data Circuit Test below.
scientia non olet · About LEMON Manuals