| DETECTION CONDITION |
- The PCM monitors A/F sensor positive current control circuit voltage. If the voltage out of the specified value while the engine running, the PCM determines that the A/F sensor positive current control circuit is open.
Diagnostic support note
- This is a continuous monitor (A/F sensor, HO2S).
- The MIL illuminates if PCM detects the above malfunctioning 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 PCM detects the above malfunction conditions during first drive cycle.
- FREEZE FRAME DATA (Mode 2)/Snapshot data is available.
- The DTC is stored in the PCM memory.
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