Mazda 3 - Dtc P0112 [Z6]

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
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75
DTC P0112 [Z6]
B3E010200100W04
DTC P0112
IAT sensor circuit low input
DETECTION
CONDITION
• The PCM monitors the IAT sensor signal at PCM terminal 2AQ. If the PCM
detects that the IAT sensor voltage is less than 0.16 V, the PCM determines
that the IAT 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
• IAT sensor malfunction
• Connector or terminal malfunction
• Short to ground in wiring harness between MAF/IAT sensor terminal D and
PCM terminal 2AQ
• PCM malfunction