Transmission Park/Neutral Switch

Fig 25 Park/Neutral Switch -- 4 Speed Electronic Automatic Transaxle -- Typical:

It provides an input to the PCM indicating whether the automatic transaxle is in Park or Neutral.

This input is used to determine idle speed (varying with gear selection) and ignition timing advance.

The park neutral switch is sometimes referred to as the neutral safety switch.

The park/neutral switch is located on the transaxle housing (Fig. 25).