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Scan Tool Data List

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Powertrain Control Module (PCM)

Scan Tool Parameter Data List Units Displayed Typical Data Value
Ignition ON/Engine OFF
Generator L Terminal Signal Engine 2 OK/No Output OK
Generator F Terminal Signal Engine 2 % 10 - 90%
Ignition 1 Signal Engine 1,2,3 volts 9.6 - 14.4v