Dtc P2229 - Mazda 6 Workshop Manual

Diagnostic procedure
STEP
1 VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has FREEZE FRAME DATA been recorded?
2 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
• Verify related service repair information
availability.
• Is any related repair information available?
3 VERIFY CURRENT SIGNAL STATUS: IS
CONCERN INTERMITTENT OR CONSTANT?
• Connect the WDS or equivalent to the DLC-2.
• Clear the DTC from the PCM memory using
the WDS or equivalent.
• Start the engine.
• Is the same DTC present?
4 VERIFY TROUBLESHOOTING OF DTC P2228
COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Turn the engine switch to the ON position
(Engine off).
• Clear the DTC from the memory using the
WDS or equivalent.
• Start the engine.
• Is same DTC present?
5 VERIFY AFTER REPAIR PROCEDURE
• Perform the Repair Verification Drive Mode.
(See F2–39 OBD DRIVE
• Are any DTCs present?
End Of Sie

DTC P2229

DTC P2229 BARO sensor circuit high input
• The PCM monitors the input signal from the barometric pressure sensor. If the voltage from the barometric
pressure sensor is more than 4.7 V, the PCM determines that there is a malfunction in the barometric
pressure sensor signal system.
DETECTION
Diagnostic support note
CONDITION
• The MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
• FREEZE FRAME DATA is available.
• The DTC is stored in the PCM memory.
POSSIBLE
• BARO sensor (integrated in PCM) malfunction
CAUSE
F2–198
ON-BOARD DIAGNOSTIC
INSPECTION
MODE.)
Yes Go to the next step.
No Record the FREEZE FRAME DATA on the repair order,
then go to the next step.
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.
Yes Go to the next step.
No Intermittent concern exists.
Perform the "INTERMITTENT CONCERNS
TROUBLESHOOTING".
Yes Replace PCM, then go to the next step.
No No concern is detected. Go to the next step.
Yes Go to the applicable DTC inspection.
(See F2–40 DTC TABLE.)
No Troubleshooting completed.
ACTION
B6E407002200103