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DTC P2226:00 [PCM (SKYACTIV-G 2.0)]

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2016 – MX-5 – Engine

DTC P2226:00 [PCM (SKYACTIV-G 2.0)]

NOTE:

  • To determine the malfunctioning part, proceed with the diagnostics from “Function Inspection Using M-MDS”.

Details On DTCs

DESCRIPTION

BARO sensor range/performance problem

DETECTION CONDITION

Determination conditions

  • Communication error between BARO sensor and PCM

  • Non-volatile memory error in BARO sensor

Preconditions

  • Battery voltage: 10.5—16 V*1

  • *1: Value can be verified by displaying PIDs using M-MDS

Malfunction determination period

  • 5 s period

Drive cycle

  • 1

Self test type

  • CMDTC self test, KOEO self test, KOER self test

Sensor used

  • BARO sensor (built-into PCM)

FAIL-SAFE FUNCTION

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

VEHICLE STATUS WHEN DTCs ARE OUTPUT

  • Illuminates check engine light.

POSSIBLE CAUSE

  • BARO sensor (built-into PCM) malfunction

  • PCM malfunction

System Wiring Diagram

  • Not applicable

Function Explanation (DTC Detection Outline)

  • If there is a communication error between the BARO sensor and the CPU or a malfunction in the non-volatile memory inside the BARO sensor, the PCM stores a DTC.

Repeatability Verification Procedure

  • Not applicable

PID Item/Simulation Item Used In Diagnosis

  • Not applicable

Function Inspection Using M-MDS

STEP

INSPECTION

RESULTS

ACTION

1

 PURPOSE: 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.

2

 PURPOSE: 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 troubleshooting procedure to perform the procedure from Step 1.

Troubleshooting Diagnostic Procedure

    Intention of troubleshooting procedure

  • Step 1

    • Perform a unit inspection of the BARO sensor.

  • Step 2—3

    • Verify that the primary malfunction is resolved and there are no other malfunctions.

STEP

INSPECTION

RESULTS

ACTION

1

 PURPOSE: DETERMINE INTEGRITY OF 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.

2

 PURPOSE: PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS PCM

Yes

Replace the PCM, then go to the next step.

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

No

Go to the next step.

3

 PURPOSE: VERIFY IF THERE IS ANY OTHER MALFUNCTION

  • Is any other DTC or pending code stored?

Yes

Go to the applicable DTC inspection.

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

No

DTC troubleshooting completed.

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