DTC P0031: Ho2S1 Heater Control Circuit Low - Bank 1, DTC P0032: Ho2S1 Heater Control Circuit High - Bank 1, DTC P0051: Ho2S1 Heater Control Circuit Low - Bank 2 Or DTC P0052: Ho2S1 Heater Control Circuit High - Bank 2: Notes

WARNING: This page is about a different car, the 2002 Nissan Xterra and 2002 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Before performing diagnostic procedure, follow testing procedure. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM. DTC P0051 and P0052 apply to 3.3L.