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:

Fuel Gauge Sender Unit Inspection [Awd]
Fuel gauge sender unit (main) NOTE: For the fuel gauge sender unit removal/installation, refer to the fuel pump removal/installation because the fuel gauge sender unit is integrated with the fuel pump.. 1. Verify that the resistance at fuel gauge sender unit (main) terminals D a ...

Recliner Motor Inspection
WARNING: Handling a side air bag improperly can accidentally operate (deploy) the air bag, which may seriously injure you. Read the service warnings/cautions in the Workshop Manual before handling the front seat (side air bag integrated).. 1. Disconnect the negative battery cable ...

Operating Tips for Audio System
WARNING Always adjust the audio while the vehicle is stopped: Do not adjust the audio control switches while driving the vehicle. Adjusting the audio while driving the vehicle is dangerous as it could distract your attention from the vehicle operation which could lead to a serious accident. Ev ...