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← 2008 MAZDA 3

Barometric Pressure Sensor

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BAROMETRIC PRESSURE (BARO) SENSOR INSPECTION[LF, L3]

 NOTE
    -  Perform the following inspection only when directed.
    -  The following vacuum values are indicated by relative pressure from the PCM.

 1. Connect the M-MDS to the DLC-2.
 2. Turn the ignition switch to the ON position.
 3. Select BARO on the M-MDS.
 4. Verify that the BARO PID (pressure) and barometric pressure are practically equal.
    -  If not as verified, perform the "Circuit Open/Short Inspection".
    -  If there is no open or short circuit, replace the PCM.

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