Possible Causes - DTC P0032 (Bank 1) Or DTC P0052 (Bank 2)
WARNING: This page is about a different car, the 2002 Nissan Maxima and 2002 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.
Malfunction is detected when an excessively high voltage is sent to ECM through HO2S1 heater. Possible causes are:
- HO2S1 heater circuit shorted.
- Defective HO2S1.