Operation CHARM: Car repair manuals for everyone.

Scan Tool Data Definitions

SCAN TOOL DATA DEFINITIONS

Battery 1: The scan tool displays 0-20 Volts. The scan tool displays the voltage as received on the battery positive voltage circuit of the BCM.

Generator F-Terminal DC: 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.

Generator L-Terminal: The scan tool displays Enabled/Disabled. The scan tool displays Enabled any time the key is in the ON position.

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 ECM.