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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 166 (Engine Control System (Introduction) (CUMMINS 5.0L)) >> System Description >> Diagnosis System (ECM) >> On Board Diagnosis Function >> On-Board Diagnosis Item

On-Board Diagnosis Item

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

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.

Self-diagnostic results

DTCs or 1st trip DTCs stored in ECM can be read.