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Home >> Chevrolet >> 2007 >> Express 2500 V8-4.8L >> Repair and Diagnosis >> Starting and Charging >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions
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Scan Tool Data Definitions



Scan Tool Data Definitions

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.

GEN L-Terminal Signal

- The scan tool displays Voltage/No Voltage. The scan tool displays Voltage until the engine is running, then displays No Voltage when the engine is running.

GEN L-Terminal Signal Command

- The scan tool displays On/Off. The scan tool displays Off until the engine is running, at which time it will display On.

Ignition 1 Signal

- The scan tool displays the current voltage at the battery.

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