| DETECTION CONDITION |
- The PCM monitors the HO2S heater control voltage when the PCM turns the HO2S heater on. If the control voltage is less than 90 %
of the battery voltage, the PCM determines that the HO2S heater control circuit voltage is low.
Diagnostic support note
- This is an intermittent monitor (A/F sensor heater, HO2S heater).
- 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.
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