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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 589 (ON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM L3 WITH TC])DTC P0103NOTES
2008 Mazda 6 s Sport, 4D Hatchback, Standard

DTC P0103: Notes

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Notes
WARNING: This page is about a different car, the 2007 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0103 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0103 MAF circuit high input
DETECTION CONDITION 
  • The PCM monitors input voltage from the MAF sensor when the engine is running. If the input voltage is above 4.9 V  , the PCM determines that the MAF circuit has a malfunction.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • MIL illuminates if PCM detects the above malfunction condition during first drive cycle.
  • FREEZE FRAME DATA is available.
  • DTCs are stored in the PCM memory.
POSSIBLE CAUSE 
  • MAF sensor malfunction
  • Connector or terminal malfunction
  • Short to power supply in the wiring harness between MAF/IAT sensor terminal C and PCM terminal 1P
  • Open circuit in the wiring harness between MAF/IAT sensor terminal B and PCM terminal 11
G04324093Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

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