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Home >> Mazda >> 2008 >> 5 Touring, 2.3 L >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System L3) >> DTC P0132 [L3] >> Notes
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DTC P0132 [L3]: Notes

DTC P0132 [L3] DETECTION CONDITIONS AND POSSIBLE CAUSES

DTC P0132 Front HO2S circuit high input
DETECTION CONDITION 
  • The PCM monitors the input voltage from the front HO2S when the engine is running. If any front HO2S terminal voltage is above battery voltage -1.2 V  for 1 s  , the PCM determines that the front HO2S circuit voltage is high.

MONITORING CONDITION 
  • Battery voltage: 10-18 V 

Diagnostic support note 
  • This is a continuous monitor (HO2S).
  • 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 malfunction
  • Connector or terminal malfunction
  • Short to power supply in wiring harness between front HO2S terminal F and PCM terminal 2Z
  • Short to power supply in wiring harness between front HO2S terminal D and PCM terminal 2AC
  • Short to power supply in wiring harness between front HO2S terminal B and PCM terminal 2AD
  • PCM malfunction
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