Mazda 3 - Dtc P2229 [Z6]

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
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232
• Perform the "AFTER REPAIR
PROCEDURE".
(See AFTER REPAIR PROCEDURE [Z6].)
• Are any DTCs present?
No
DTC troubleshooting completed.
DTC P2229 [Z6]
B3E010202200W02
DTC P2229
BARO sensor circuit high input
DETECTION
CONDITION
• The PCM monitors input voltage from the BARO sensor. If the input voltage
at PCM terminal 2S is 2.9 V or more, PCM determines that the BARO
sensor circuit has a malfunction.
Diagnostic support note
• This is a continuous monitor (CCM).
• The MIL illuminates if the PCM detects the above malfunction condition in
the first drive cycle.
• PENDING CODE is available if the PCM detects the above malfunction
condition.
• FREEZE FRAME DATA is available.
• The DTC is stored in the PCM memory.
POSSIBLE CAUSE
• BARO sensor malfunction
• Connector or terminal malfunction
• Short to power supply in wiring harness between BARO sensor terminal B
and PCM terminal 2S
• Open circuit in wiring harness between BARO sensor terminal A and PCM
terminal 2AX
• PCM malfunction