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Home >> Infiniti >> 2017 >> QX30 Luxury, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 5) >> DTC/Circuit Diagnosis >> DTC P0036, P0037, P0038: O2 Sensor Heater >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No. CONSULT screen terms DTC detecting condition
(Trouble diagnosis content) Malfunction type
P0036 13 HO2S HEATER B1 SEN2
(HO2S heater control circuit bank 1 sensor 2)
CIRCUIT OPEN The output for the heater of oxygen sensor (cylinder bank 1) has an electrical malfunction or open circuit. There is an open circuit.
P0037 11 HO2S HEATER B1 SEN2
(HO2S heater control circuit low bank 1 sensor 2)
CIRCUIT SHORT TO GROUND The output for the heater of oxygen sensor (cylinder bank 1) has a short circuit to ground. There is a short circuit to ground.
P0038 12 HO2S HEATER B1 SEN2
(HO2S heater control circuit high bank 1 sensor 2)
CIRCUIT SHORT TO BATTERY The output for the heater of oxygen sensor (cylinder bank 1) has a short circuit to positive. There is a short circuit to positive.