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Home >> Chevrolet >> 2002 >> Malibu V6-3.1L VIN J >> 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

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 a 5.0 V signal to turn ON the regulator, then On is displayed.

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.

TR Sw.: The scan tool displays Park, Reverse, Neutral, Drive 4, Drive 3, Drive 2, Drive 1. The scan tool displays the position of the transmission range switch.
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