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DTC P2229:00 [PCM (SKYACTIV-G 2.0)]

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2016 – MX-5 – Engine

DTC P2229:00 [PCM (SKYACTIV-G 2.0)]

DTC P2229:00

BARO sensor circuit high input

DETECTION CONDITION

  • The PCM monitors input voltage from the BARO sensor. If the input voltage is high for 5 s, the PCM determines that the BARO sensor circuit has a malfunction.

    Diagnostic support note

  • This is a continuous monitor (CCM).

  • The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.

  • FREEZE FRAME DATA/Snapshot data is available.

  • DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

  • Fixes the barometric pressure for the engine control at 101.32 kPa {1.0332 kgf/cm2, 14.695 psi}.

POSSIBLE CAUSE

  • BARO sensor (built-into PCM) malfunction

  • PCM malfunction

SYSTEM WIRING DIAGRAM

Not applicable

CAUTION:

  • Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting.

Related PIDs

Item (definition)

Unit/Condition

Definition

Condition/Specification (Reference)

BARO

KPa , mBar , psi, in H20

Actually measured barometric pressure input from BARO sensor built into PCM

  • Displays BARO

Diagnostic Procedure

STEP

INSPECTION

ACTION

1

RECORD VEHICLE STATUS AT TIME OF DTC DETECTION TO UTILIZE WITH REPEATABILITY VERIFICATION

NOTE:

  • Recording can be facilitated using the screen capture function of the PC.

  • Record the FREEZE FRAME DATA/snapshot data on the repair order.

Go to the next step.

2

VERIFY RELATED REPAIR INFORMATION AVAILABILITY

  • Verify related Service Bulletins and/or on-line repair information availability.

  • Is any related repair information available?

Yes

Perform repair or diagnosis according to the available repair information.

  • If the vehicle is not repaired, go to the next step.

No

Go to the next step.

3

INSPECT BARO SENSOR

Yes

Replace the PCM, then go to the next step.

(See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

No

Go to the next step.

4

VERIFY DTC TROUBLESHOOTING COMPLETED

Yes

Replace the PCM, then go to the next step.

(See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)

No

Go to the next step.

5

VERIFY AFTER REPAIR PROCEDURE

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [PCM (SKYACTIV-G 2.0)].)

No

DTC troubleshooting completed.

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