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Home >> Infiniti >> 2018 >> QX30 Essential, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 4) >> 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.