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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 550 (ON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM L3))DTC P050B [L3]NOTES
2010 Mazda 5 Sport, 2.3 L, Standard

DTC P050B [L3]: Notes

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Notes
WARNING: This page is about a different car, the 2008 Mazda 5. However, it is still accessible from the selected car via links, so may be relevant.
DTC P050B [L3] DETECTION CONDITIONS AND POSSIBLE CAUSES

DTC P050B Cold start ignition timing performance
DETECTION CONDITION 
  • The PCM monitors actual ignition timing using the CKP sensor while electronic spark advance control fast idle correction operating. If the ignition timing is out of specified range, the PCM determines that the ignition timing at cold condition has performance problem.

Diagnostic support note 
  • This is a continuous monitor. (CCM)
  • MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
  • PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA is available.
  • DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Damaged CKP sensor
  • Damaged CMP sensor
  • Damaged or chipped CKP sensor pulse wheel
  • Damaged or chipped CMP sensor pulse wheel
  • PCM malfunction
RENDER: 1.0x

NO RELATED

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