WARNING: This page is about a different car, the 2002 GMC Envoy XL. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Automatic A/C Circuit, W/ Rear Entertainment (1 of 3)
Fig 2: Automatic A/C Circuit, W/ Rear Entertainment (2 of 3)
Fig 3: Automatic A/C Circuit, W/ Rear Entertainment (3 of 3)
Fig 4: Automatic A/C Circuit, W/O Rear Entertainment (1 of 3)
Fig 5: Automatic A/C Circuit, W/O Rear Entertainment (2 of 3)
Fig 6: Automatic A/C Circuit, W/O Rear Entertainment (3 of 3)
Fig 7: Compressor Circuit
Fig 8: Manual A/C Circuit, W/ Rear Entertainment (1 of 3)
Fig 9: Manual A/C Circuit, W/ Rear Entertainment (2 of 3)
Fig 10: Manual A/C Circuit, W/ Rear Entertainment (3 of 3)
Fig 11: Manual A/C Circuit, W/O Rear Entertainment (1 of 3)
Fig 12: Manual A/C Circuit, W/O Rear Entertainment (2 of 3)
Fig 13: Manual A/C Circuit, W/O Rear Entertainment (3 of 3)