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Home >> Pontiac >> 2001 >> Grand AM V6-3.4L VIN E >> Repair and Diagnosis >> Starting and Charging >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Scan Tool Data Definitions

GEN F-Terminal Signal: The scan tool displays 0%-100%. The scan tool displays 0%-10% until the engine is started and the PCM receives a signal from the generator then OK is displayed.

GEN L-Terminal Signal Command: The scan tool displays On/Off. The scan tool displays Off until the engine is running, then the PCM supplies then the percentage value varies depending on electrical loads

GEN L-Terminal Signal: The scan tool displays On/Off. The scan tool displays Off until the engine is running, then the PCM supplies then the percentage value varies depending on electrical loads

Ignition 1 Signal: The scan tool displays 0-20 Volts. The scan tool displays the voltage as received on the Ignition 1 circuit to the PCM.