DTC Detection Logic

2019 Infiniti Q70 3.7 Luxe, AWDSECTION DTC Detection Logic

DTC

CONSULT display description

DTC Detection Condition

Possible causes

B2098

IGN RELAY ON CIRC

The ignition relay ON is detected for 1 second at ignition switch OFF

(CPU monitors the status at the contact and excitation coil circuits of the ignition relay inside it)

Ignition relay malfunction

  1. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch ON.
    2. Turn ignition switch OFF and wait 1 second or more.
    3. Check DTC in "Self Diagnostic Result" mode of "IPDM E/R" using CONSULT.

    Is DTC detected?

    YES

    Refer to Diagnosis Procedure .

    NO

    INSPECTION END.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.