PINPOINT TEST DO: Barometric Pressure (BARO) Sensor: Introduction
WARNING: This page does not describe the selected car, but rather 22 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- BARO sensor
- powertrain control module (PCM) (12A650)
BARO SENSOR TRANSFER FUNCTION
| Volts | Pressure in kPa | Pressure in psi | Pressure in in-Hg |
|---|---|---|---|
| 0.3 | 7.6 | 1.1 | 2.2 |
| 0.5 | 12.7 | 1.84 | 3.8 |
| 2.64 | 60 | 8.7 | 17.7 |
| 4.54 | 115 | 16.68 | 34 |
| 4.75 | 120.3 | 17.45 | 35.5 |
| 4.8 | 121.6 | 17.66 | 35.9 |