From a totally different vehicle but...
Quote:
PARK/NEUTRAL POSITION (PNP) SWITCH: The Park/Neutral position (PNP) switch indicates to
the PCM when the transmission is in park, neutral, or drive. This information is used for the EGR
and the IAC valve operation. (AUTOMATIC ONLY).EGR wire can be tied up out of the way for a
NON Emmission application.
|
Principals are generally the same amongst various vehicles. But apparently for many vehicles (if not all) it doesn't necessarily detect only N/P or R. It's possible that it may detect all gears.