WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
GEN F-Terminal Signal - ECM
Circuit
Short to ground
Open
Short to voltage
Operating Conditions:
Engine Running. Parameter Normal Range:
5% to 99%