FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Scan Tool Data Definitions



Scan Tool Data Definitions

Crank Request Signal
- The scan tool displays Yes/No. The scan tool displays Yes when the powertrain control module (PCM) receives a crank request.

Ignition 1 Signal
- The scan tool displays voltage. The scan tool displays the current voltage at the battery.

GEN L-Terminal Signal Command
- The scan tool displays On/Off. The scan tool displays Off until the engine is started, then it will display On.

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.

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