Possible Causes - DTC P0032 (Bank 1) Or DTC P0052 (Bank 2)
WARNING: This page is about a different car, the 2003 Nissan Pathfinder. 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 HO2S 1 heater. Possible causes are:
- HO2S 1 heater circuit shorted.
- Defective HO2S 1.