NISSAN DTC P0037, P0038 HO2S2 HEATER
NISSAN DTC P0037, P0038 HO2S2 HEATER DTC P0037-Heated oxygen sensor 2 heater control circuit low DTC P0038-Heated oxygen sensor 2 heater control circuit high The ECM performs ON/OFF control of the heated oxygen sensor 2 heater corresponding to the engine speed, amount of intake air and engine coolant temperature. The current amperage in the heated … Read more