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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 440 (Power Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2099: Ignition Relay Off Stuck >> 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.

CONSULT Display

DTC Detection Condition

Possible Cause

IGN RELAY OFF

[B2099]

The ignition relay OFF is detected for 1 second at ignition switch ON (CPU monitors the status at the contact and excitation coil circuits of the ignition relay inside it)

IPDM E/R