df1: Connecting MAP/BP Tester
| Steps | _Key Off
_Disconnect the MAP/BP sensor from the vehicle harness _Connect the MAP/BP tester between the vehicle harness and the MAP/BP sensor _Insert tester banana plugs into DVOM _Set DVOM to 20 volt scale |
| Result | |
| Direction | GO to Continue |
| Component | Barometric Absolute Pressure Sensor |
| Description | The
BP sensor measures barometric pressure using a frequency. This gives
the EEC information on engine load. The BP is used as a barometric
pressure sensor for altitude compensation, updating the EEC during Key
On Engine Off and every wide-open throttle.
The EEC uses the BP information for: Spark advance EGR flow Air/Fuel ratio |
| Location | Mounted behind Integrated Relay Controller; in front of passenger strut tower. |
| Wire Colors | Orange with White stripe
Light Green with Black stripe Black with White stripe |
| Notes | While the BP has a port typical of a MAP sensor, this port is NOT hooked to any vacuum source, and simply is a atmosphere vent. |