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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 398 (Engine Control System (DTC/Circuit Diagnosis) (6 Of 17)) >> DTC/Circuit Diagnosis >> DTC P015B: A/F Sensor 1 >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P014C

A/F SENSOR1 (B1)

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

Diagnosis condition

--

Signal (terminal)

A/F sensor 1 (bank 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

A/F SENSOR1 (B1)

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

Diagnosis condition

--

Signal (terminal)

A/F sensor 1 (bank 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

A/F SENSOR1 (B1)

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

Diagnosis condition

--

Signal (terminal)

A/F sensor 1 (bank 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

A/F SENSOR1 (B1)

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

Diagnosis condition

--

Signal (terminal)

A/F sensor 1 (bank 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

--

P014E

A/F SENSOR1 (B2)

(O2 sensor slow response - rich to lean bank 2 sensor 1)

Diagnosis condition

--

Signal (terminal)

A/F sensor 1 (bank 2) signal

Threshold

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

Diagnosis delay time

--

P014F

A/F SENSOR1 (B2)

(O2 sensor slow response - lean to rich bank 2 sensor 1)

Diagnosis condition

--

Signal (terminal)

A/F sensor 1 (bank 2) signal

Threshold

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

Diagnosis delay time

--

P015C

A/F SENSOR1 (B2)

(O2 sensor delayed response - rich to lean bank 2 sensor 1)

Diagnosis condition

--

Signal (terminal)

A/F sensor 1 (bank 2) signal

Threshold

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

Diagnosis delay time

--

P015D

A/F SENSOR1 (B2)

(O2 sensor delayed response - lean to rich bank 2 sensor 1)

Diagnosis condition

--

Signal (terminal)

A/F sensor 1 (bank 2) signal

Threshold

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

Diagnosis delay time

--