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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 562 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> Scan Tool Data Definitions
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Scan Tool Data Definitions

WARNING: This page is about a different car, the 2004 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Ignition 1 Signal

The scan tool displays the current voltage at the battery.

GEN L-Terminal Signal Command

The scan tool displays OK/No Output. The scan tool displays OK until malfunction is detected on the generator L terminal circuit, then it reads No Output.

GEN F-Terminal Signal

The scan tool displays 0%-100%. The scan tool displays 0%-5% until the engine is running, then the percentage value varies depending on electrical loads.