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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 592 (Power Control System (DTCS)) >> IPDM E/R (IPDM E/R) >> DTC B2099: Ignition Relay Off Stuck >> DTC Description >> VR30DDTT engine >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2020 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC Detection Condition

B2099

IGN RELAY OFF CIRC

(Ignition relay OFF circuit)

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)

NOTE: When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the "DTC: B2099" may be detected.