Operation CHARM: Car repair manuals for everyone.
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Scan Tool Data Definitions

SCAN TOOL DATA DEFINITIONS

Generator L Terminal Signal: 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.

Generator F Terminal Signal: The scan tool displays 0-100 percent. The scan tool displays 0-5 percent until the engine is running, then the percentage value varies depending on electrical loads.

Ignition 1 Signal: The scan tool displays system voltage received by the module.