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Home >> Infiniti >> 2019 >> QX50 Essential, FWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 12) >> DTC/Circuit Diagnosis >> DTC P014C, P014D, P015A, P015B: A/F Sensor 1 >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P014C

00

A/F SENSOR1 (B1)

(O2 sensor slow response - rich to lean bank 1 sensor 1)

Diagnosis condition

--

Signal (terminal)

A/F sensor 1 signal

Threshold

The response time of a A/F sensor 1 signal delays more than the specified time computed by ECM

Diagnosis delay time

--

P014D

00

A/F SENSOR1 (B1)

(O2 sensor slow response - lean to rich bank 1 sensor 1)

Diagnosis condition

--

Signal (terminal)

A/F sensor 1 signal

Threshold

The response time of a A/F sensor 1 signal delays more than the specified time computed by ECM

Diagnosis delay time

--

P015A

00

A/F SENSOR1 (B1)

(O2 sensor delayed response - rich to lean bank 1 sensor 1)

Diagnosis condition

--

Signal (terminal)

A/F sensor 1 signal

Threshold

The response time of a A/F sensor 1 signal delays more than the specified time computed by ECM

Diagnosis delay time

--

P015B

00

A/F SENSOR1 (B1)

(O2 sensor delayed response - lean to rich bank 1 sensor 1)

Diagnosis condition

--

Signal (terminal)

A/F sensor 1 signal

Threshold

The response time of a A/F sensor 1 signal delays more than the specified time computed by ECM

Diagnosis delay time

--