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HOMESERVICE MANUALSMAZDA20066 S, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM AJ]DTC P0052NOTES
2006 Mazda 6 s, 4D Sedan, Standard

DTC P0052: Notes

2006 Mazda 6 s, 4D Sedan, StandardSECTION Notes
DTC P0052 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0052 HO2S heater (LF) circuit high
DETECTION CONDITION 
  • The PCM monitors the HO2S heater (LF) control signal at PCM terminal 2AS. If the PCM turns the HO2S heater (LF) on but the HO2S heater (LF) circuit remains high voltage, the PCM determines that the HO2S heater (LF) circuit has a malfunction.
    NOTE:
    • HO2S heater (LF) is controlled by a duty signal.

Diagnostic support note 
  • This is a continuous monitor (HO2S heater).
  • 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 PCM memory.
POSSIBLE CAUSE 
  • HO2S heater (LF) malfunction
  • Connector or terminal malfunction
  • Short to power circuit between HO2S (LF) terminal D and PCM terminal 2AS
  • PCM malfunction
G04324174
RENDER: 1.0x

NO RELATED

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