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Home >> Pontiac >> 2005 >> Grand Am SC/T >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information 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 the percentage varies up to 100%.

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 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.