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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Control System (5.6L) (1 Of 3)) >> System Description >> Diagnosis System (ECM) >> On Board Diagnosis Function >> On Board Diagnosis Item

On Board Diagnosis Item

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The on board diagnostic system has the following functions.

Diagnostic test mode

Function

Bulb check

MIL can be checked.

SRT status

ECM can read if SRT codes are set.

Malfunction warning

If ECM detects a malfunction, it illuminates or blinks MIL to inform the driver that a malfunction has been detected.

Accelerator pedal released position learning

ECM can learn the accelerator pedal released position. Refer to Description .

Throttle valve closed position learning

ECM can learn the throttle valve closed position. Refer to Description .

VVEL control shaft position sensor adjustment

The initial position of the VVEL control shaft position sensor can be adjusted. Refer to Description .