DTC    P0037    Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)

DESCRIPTION

MONITOR DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT HEATED OXYGEN SENSOR (HEATER RESISTANCE)

INSPECT INTEGRATION RELAY (EFI MAIN RELAY)

INSPECT ECM (HT1B OR HT2B VOLTAGE)

CHECK HARNESS AND CONNECTOR (HEATED OXYGEN SENSOR - EFI NO. 2 FUSE)

CHECK HARNESS AND CONNECTOR (HEATED OXYGEN SENSOR - ECM)