Ignition Voltage: This parameter indicates the ignition positive voltage
at the electronic brake control module (EBCM).
PNP Switch: This parameter indicates the range selection of 3 speed
or 4 speed automatic transmission equipped vehicles. The parameter
     will display Park/Neutral for the Park or Neutral position  of the gear
selector. The parameter will display In Gear   for  the   Reverse,   Drive,
or Low positions  of  the gear selector.
Starter Switch: This parameter displays Cranking when the PCM is receiving a signal
indicating that the engine starter motor is cranking. The scan tool will display
            Released when the ignition is on and when the engine is running.