Dtc P0102 [Z6] - Mazda 3 Workshop Manual

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
DTC P0102
DETECTION
CONDITION
POSSIBLE CAUSE
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DTC P0102 [Z6]

MAF sensor circuit low input
• 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.
• 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
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B3E010200100W01