Mazda CX-5 Service & Repair Manual: Barometric Pressure (Baro) Sensor

Mazda CX-5 Service & Repair Manual / Engine / Control / Barometric Pressure (Baro) Sensor

Purpose/Function

Detects the BARO as basic information for mainly determining the fuel injection amount.
Detects the BARO and inputs it to the PCM as a BARO signal.

Construction

Built into the PCM.
A piezoelectric element has been adopted for detecting the BARO.

Operation

Inputs the signal, which fluctuates according to the BARO, to the PCM.

BARO sensor characteristic

Fail-safe


DTC No.	Fail-safe function
P2228:00	Fixes the barometric pressure for the engine control at 101.32 kPa {759.96 mmHg, 29.920 inHg}.
P2229:00	Fixes the barometric pressure for the engine control at 101.32 kPa {759.96 mmHg, 29.920 inHg}.

Barometric Pressure (Baro) Sensor Inspection

Voltage Inspection NOTE: Because the BARO sensor is integrated in the PCM, replacing the BARO sensor includes replacement of the PCM. 1. Connect the M-MDS to the DLC?2. 2. Switch t ...

Clock Spring Adjustment [Standard Deployment Control System]

1. Set the front wheels straight ahead. CAUTION: The clock spring will break if over?wound. Do not forcibly turn the clock spring. 2. Turn the clock spring clockwise until it stops. ...

Other materials:

Check Valve Inspection
Except U.S.A. And CANADA 1. Remove the check valve.. 2. Verify that there is no airflow when positive pressure is applied to port A. If there is airflow, replace the check valve.. 3. Verify that there is no airflow when negative pressure is applied to port A. If ther ...

Power Supply Switching
Outline By pressing the push button start, switching of the power supply is performed. Function The start stop unit switches the power supply according to the vehicle conditions such as the selector lever (ATX)/shift lever (MTX) position and the pedal depression/release whe ...

Column Cover Removal/Installation
1. Pull down the steering wheel. 2. Press the shaded area shown in the figure using your thumb, and lift the upper column cover in the direction of arrow (1). 3. Pull the upper column cover in the direction of the arrow (2) and remove it while detaching pins A, tabs B and guides C. 4. ...