Mazda 3 - Dtc P0102 [Z6]

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
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DTC P0102 [Z6]
B3E010200100W01
DTC P0102
MAF sensor circuit low input
DETECTION
CONDITION
• The PCM monitors the input voltage from the MAF sensor when the engine
is running. If the input voltage at PCM terminal 2AU is less than 0.21 V, the
PCM determines that the MAF 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
• MAF sensor malfunction
• Connector or terminal malfunction
• Short to ground in wiring harness between MAF/IAT sensor terminal A and
PCM terminal 2BG
• Open circuit in wiring harness between MAF/IAT sensor terminal A and
PCM terminal 2BG
• Short to ground in wiring harness between MAF/IAT sensor terminal C and
PCM terminal 2AU
• Open circuit in wiring harness between MAF/IAT sensor terminal C and
PCM terminal 2AU
• PCM malfunction