September 30: LEMON manuals is back up on a temporary server! Slowness is possible
Diesel engine
WARNING: This page is about a different car, the 2003 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
The compressor clutch is activated through a voltage feed from relay 156 in the engine bay electrical distribution unit (342) and is grounded through grounding point G7A.
Courtesy of SAAB-SCANIA OF AMERICA, INC.