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DTC P2196:00: Notes

DTC P2196:00 (L3 WITH TC) DETECTION CONDITION & POSSIBLE CAUSES

DTC P2196:00 A/F sensor signal stuck rich
DETECTION CONDITION 
  • The PCM monitors the A/F sensor output when the following conditions are met. If the output is less than 0.85  for 25 s  , the PCM determines that the A/F sensor has a malfunction.

MONITORING CONDITIONS 
  • ECT: more than 60°C {140°F} 
  • Engine speed: 1, 000-3, 200 rpm 
  • Absolute load: 20-115% 
  • Output voltage from the HO2S: 0.2 V or less 

Diagnostic support note 
  • This is an intermittent monitor (A/F sensor, 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 first drive cycle.
  • FREEZE FRAME DATA (Mode 2)/Snapshot data is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • A/F sensor malfunction
  • PCM malfunction
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