Scan Tool Data Definitions

Battery Charger:  The scan tool displays On/Off. The scan tool displays On when the engine is OFF and battery voltage is greater than 13.5 Volts.

Battery State:  The scan tool displays Low Voltage/Normal/High Voltage. The scan tool displays Low Voltage below 9.0 Volts and returns to Normal when battery voltage returns to above 9.5 Volts. High Voltage is displayed above 16.0 Volts and returns to Normal when battery voltage returns to below 15.5 Volts.

Battery Voltage:  The scan tool displays a voltage. The scan tool displays the battery voltage as calculated by the module or received as a class 2 message.

Crank Request:  The scan tool displays Yes/No. The scan tool displays Yes when the ignition is placed in the Start position and a battery voltage is received by the PCM.

PNP Switch:  The scan tool displays P-N/R-D-L. The scan tool displays P-N when the transmission is in the Park (P) or Neutral (N) position.