DTC P0102:00 [L5]: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITIONS & POSSIBLE CAUSES
| DTC P0102:00 |
MAF sensor circuit low input |
| DETECTION CONDITION |
- The PCM monitors input voltage from the MAF sensor when the engine running. If the input voltage is below 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 during first drive cycle.
- FREEZE FRAME DATA is available
- The DTC is stored in the PCM memory
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| POSSIBLE CAUSE |
- MAF/IAT sensor connector or terminal malfunction
- Short to ground in wiring harness between main relay terminal D and MAF/IAT sensor terminal A
- Open circuit in wiring harness between main relay terminal D and MAF/IAT sensor terminal A
- PCM connector or terminal malfunction
- Short to ground in wiring harness between MAF/IAT sensor terminal C and PCM terminal 1 AK
- MAF sensor malfunction
- Open circuit in wiring harness between MAF/IAT sensor terminal C and PCM terminal 1AK
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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