Scan Tool Data Definitions
WARNING: This page is about a different car, the 2004 GMC Safari and 2004 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition 1 Signal
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The scan tool displays the current voltage at the battery.
- GEN L-Terminal Signal Command
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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
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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.