Barometric Pressure (BARO) Sensor Inspection

NOTE:

Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flow diagram. (See TROUBLESHOOTING PROCEDURE .)

Fig 1: Locating DLC-2 Connector

Courtesy of MAZDA MOTORS CORP.

Turn the ignition switch to the ON position.
Select BARO PID on the WDS or equivalent.
Verify that the BARO PID (pressure) and barometric pressure are practically equal.
- If not as verified, replace the PCM. (See PCM REMOVAL/INSTALLATION .)