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Scan Tool Data List

WARNING: This page is about a different car, the 2003 Chevrolet SSR. 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
Ignition 1 Signal Engine 1,2 Data Volts 9-14v
GEN L-Terminal Signal Command Engine 2 Data OK/No Output OK
GEN F-Terminal Signal Engine 2 Data % 10-90%