MX-5 Miata L4-2.0L (2008)
Barometric Pressure Sensor: Testing and Inspection
BAROMETRIC PRESSURE (BARO) SENSOR INSPECTION [LF]
NOTE: Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. (See HOW TO
USE THIS MANUAL.)
1. Connect the M-MDS to the DLC-2.
2. Turn the ignition switch to the ON position.
3. Select BARO PID on the M-MDS.
4. Verify that the BARO PID (pressure) and barometric pressure are practically equal.
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If not as verified, replace the PCM.