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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 550 (ON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM L3))DTC P0134 [L3]NOTES
2010 Mazda 5 Sport, 2.3 L, Standard

DTC P0134 [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 P0134 [L3] DETECTION CONDITIONS AND POSSIBLE CAUSES

DTC P0134 Front HO2S no activity detected
DETECTION CONDITION 
  • The PCM monitors the activation condition of the HO2S. If the non-activation condition of the HO2S continues for a fixed period of time, the PCM determines that the HO2S is not activating.

    MONITORING CONDITIONS 

    • HO2S, HO2S heater and TWC Repair Verification Drive Mode
    • Battery voltage: 10-18 V 

Diagnostic support note 
  • This is an intermittent monitor (HO2S).
  • The 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 
  • Front HO2S deterioration
  • Front HO2S malfunction
  • Leakage exhaust system
  • Open or short circuit in wiring harness between front HO2S terminal D and PCM terminal 2AC
  • Open or short circuit in wiring harness between front HO2S terminal B and PCM terminal 2AD
  • Insufficient compression
  • Engine malfunction
G05542957
RENDER: 1.0x

NO RELATED

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