DTC P2228 [MZR-CD (RF Turbo)]


DTC P2228	BARO sensor circuit low input
DETECTION CONDITION	• PCM monitors input voltage from BARO sensor while engine is running. If input voltage from BARO sensor is below 0.7 V, PCM determines BARO sensor circuit low input.
POSSIBLE CAUSE	• BARO sensor malfunction • PCM malfunction


STEP	INSPECTION		ACTION
1	PERFORM DTC CONFIRMATION PROCEDURE • Perform "DTC Confirmation Procedure". (See DTC CONFIRMATION PROCEDURE [MZR-CD (RF Turbo)].) • Is same DTC present during KOEO or KOER self-test?	Yes	Go to next step.
1		No	Intermittent concern exists. Go to "Intermittent Concern Troubleshooting". (See INTERMITTENT CONCERN TROUBLESHOOTING [MZR-CD (RF Turbo)].)
2	VERIFY TROUBLESHOOTING OF DTC P2228 COMPLETED • Clear DTC from PCM memory using WDS or equivalent. • Perform KOEO/KOER self-test. (See KOEO/KOER SELF-TEST PROCEDURE [MZR-CD (RF Turbo)].) • Is same DTC present?	Yes	Replace PCM, go to next step. (See PCM REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)
2		No	Go to next step.
3	VERIFY AFTER REPAIR PROCEDURE • Perform "After Repair Procedure". (See AFTER REPAIR PROCEDURE [MZR-CD (RF Turbo)].) • Is there any DTC present?	Yes	Go to applicable DTC inspection. (See DTC TABLE [MZR-CD (RF Turbo)].)
3		No	Troubleshooting completed.