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.