Dtc P2229 [Lf] - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
INSPECT PCM CONNECTOR FOR POOR
CONNECTION
• Disconnect PCM connector.
8
• Inspect for poor connection at terminals
(damaged/pulled-out pins, corrosion, etc.).
• Is there malfunction?
VERIFY TROUBLESHOOTING OF DTC
P2228 COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Turn the ignition switch to the ON position
9
(Engine off).
• Clear DTC from memory using WDS or
equivalent.
• Start the engine.
• Is same DTC present?
VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure".
10
(See AFTER REPAIR PROCEDURE
• Is there any DTC present?
DTC P2229
DETECTION
CONDITION
POSSIBLE CAUSE
Downloaded from
[LF].)

DTC P2229 [LF]

BARO sensor circuit high input
• PCM monitors input voltage from BARO sensor. If input voltage at PCM
terminal 1AG is above 4.43 V, PCM determines that BARO sensor circuit
has malfunction.
Diagnostic support note
• This is a continuous monitor (CCM).
• MIL illuminates if PCM detects the above malfunction condition during first
drive cycle.
• PENDING CODE is available if PCM detects the above malfunction
condition.
• FREEZE FRAME DATA is available.
• DTC is stored in PCM memory.
• BARO sensor malfunction
• Connector or terminal malfunction
https://carmanualshub.com/
Yes Repair terminal, then go to Step 9.
No Go to the next step.
Replace PCM, then go to the next step.
Yes
(See PCM REMOVAL/INSTALLATION
No No concern is detected. Go to the next step.
Go to applicable DTC troubleshooting.
Yes
(See DTC TABLE [LF].)
No Troubleshooting completed.
- automotive repair manuals website
[LF].)
B3E010201083W02