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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 485 (Engine Control System (VK56VD) DTC/Circuit Diagnosis (1 Of 6)) >> DTC/Circuit Diagnosis >> DTC P0101: MAF Sensor >> 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

P0101

MAF SEN/CIRCUIT-B1

(Mass air flow sensor circuit range/performance)

1

Diagnosis condition

--

Signal (terminal)

Mass air flow sensor signal

Threshold

A high voltage from the sensor is sent to ECM under light load driving condition

Diagnosis delay time

--

2

Diagnosis condition

--

Signal (terminal)

Mass air flow sensor signal

Threshold

A low voltage from the sensor is sent to ECM under heavy load driving condition

Diagnosis delay time

--