DTC P0133, P0153: Notes

• The PCM monitors the inversion cycle period, lean-to-rich response time and rich-to-lean response time of the sensor. The PCM calculated the average of the inversion cycle period specified inversion cycles, average response time from lean-to-rich, and from rich-to-lean when the following monitoring conditions are met. If the following condition, the PCM determines that the circuit has a malfunction.
  • The average value of inversion cycle period or lean-to-rich/rich-to-lean response time is more than the threshold value.

  MONITORING CONDITIONS 

  • Drive mode 3
  • Following conditions are met:
    • Calculation load 26.6-57.8%  (at engine speed. 2,000 rpm) 
    • Engine speed 1,410-2,500 rpm 
    • Engine coolant temperature is above -10 °C {14 °F} 
    • Front HO2S signal inversion cycles is above 10 cycles 
• The inversion cycle period and the lean-to-rich/rich-to-lean response time cannot be measured even once even though the accumulated occurrence time of the following monitoring conditions has exceeded the prescribed time limit.

  MONITORING CONDITIONS 

  • Drive mode 3
  • Following conditions are met:
    • Calculation load 26.6-57.8%  (at engine speed. 2,000 rpm) 
    • Engine speed 1,410-2,500 rpm 
    • Engine coolant temperature is above -10 °C {14 °F} 
    • Front HO2S signal inversion cycles is above 10 cycles 

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.
• DIAGNOSTIC MONITORING TEST RESULTS is available.
• FREEZE FRAME DATA is available.
• DTC is stored in the PCM memory.

• Front HO2S deterioration
• Front HO2S heater malfunction
• Pressure regulator malfunction
• Fuel pump malfunction
• Fuel filter clogged or restricted
• Fuel leakage on fuel line from fuel distribution pipe and fuel pump
• Fuel return hose clogged
• Exhaust system leakage
• Purge solenoid valve malfunction
• Purge solenoid hoses improper connection
• Insufficient compression
• Engine malfunction
• PCM malfunction