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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 490 (Engine Control System (VK56VD) DTC/Circuit Diagnosis (5 Of 6)) >> DTC/Circuit Diagnosis >> DTC P219D: Air Fuel Ratio >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD and 2019 Nissan NV2500 HD. 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

P219C

CYLINDER 1 AIR-FUEL RATIO

(Cylinder 1 Air-Fuel Ratio Imbalance)

Diagnosis condition

--

Signal (terminal)

--

Threshold

The cylinder 1 combustion condition calculated by ECM based on a crankshaft position sensor signal is continuously imbalanced compared with other cylinders (Abnormal air-fuel ratio)

Diagnosis delay time

--

P219D

CYLINDER 2 AIR-FUEL RATIO

(Cylinder 2 Air-Fuel Ratio Imbalance)

Diagnosis condition

--

Signal (terminal)

--

Threshold

The cylinder 2 combustion condition calculated by ECM based on a crankshaft position sensor signal is continuously imbalanced compared with other cylinders (Abnormal air-fuel ratio)

Diagnosis delay time

--

P219E

CYLINDER 3 AIR-FUEL RATIO

(Cylinder 3 Air-Fuel Ratio Imbalance)

Diagnosis condition

--

Signal (terminal)

--

Threshold

The cylinder 3 combustion condition calculated by ECM based on a crankshaft position sensor signal is continuously imbalanced compared with other cylinders (Abnormal air-fuel ratio)

Diagnosis delay time

--

P219F

CYLINDER 4 AIR-FUEL RATIO

(Cylinder 4 Air-Fuel Ratio Imbalance)

Diagnosis condition

--

Signal (terminal)

--

Threshold

The cylinder 4 combustion condition calculated by ECM based on a crankshaft position sensor signal is continuously imbalanced compared with other cylinders (Abnormal air-fuel ratio)

Diagnosis delay time

--

P21A0

CYLINDER 5 AIR-FUEL RATIO

(Cylinder 5 Air-Fuel Ratio Imbalance)

Diagnosis condition

--

Signal (terminal)

--

Threshold

The cylinder 5 combustion condition calculated by ECM based on a crankshaft position sensor signal is continuously imbalanced compared with other cylinders (Abnormal air-fuel ratio)

Diagnosis delay time

--

P21A1

CYLINDER 6 AIR-FUEL RATIO

(Cylinder 6 Air-Fuel Ratio Imbalance)

Diagnosis condition

--

Signal (terminal)

--

Threshold

The cylinder 6 combustion condition calculated by ECM based on a crankshaft position sensor signal is continuously imbalanced compared with other cylinders (Abnormal air-fuel ratio)

Diagnosis delay time

--

P21A2

CYLINDER 7 AIR-FUEL RATIO

(Cylinder 7 Air-Fuel Ratio Imbalance)

Diagnosis condition

--

Signal (terminal)

--

Threshold

The cylinder 7 combustion condition calculated by ECM based on a crankshaft position sensor signal is continuously imbalanced compared with other cylinders (Abnormal air-fuel ratio)

Diagnosis delay time

--

P21A3

CYLINDER 8 AIR-FUEL RATIO

(Cylinder 8 Air-Fuel Ratio Imbalance)

Diagnosis condition

--

Signal (terminal)

--

Threshold

The cylinder 8 combustion condition calculated by ECM based on a crankshaft position sensor signal is continuously imbalanced compared with other cylinders (Abnormal air-fuel ratio)

Diagnosis delay time

--