DTC Detection Logic
WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
DTC LOGIC REFERENCE CHART
| DTC | CONSULT display description | DTC Detection Condition | Possible causes |
|---|---|---|---|
| B2099 | IGN RELAY OFF | 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) | Ignition relay malfunction |
NOTE:
When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the "DTC: B2099" may be detected.
- PERFORM DTC CONFIRMATION PROCEDURE
- Turn ignition switch ON.
- Check DTC in "Self Diagnostic Result" mode of "IPDM E/R" using CONSULT.
Is DTC detected?
YES: Refer to "DIAGNOSIS PROCEDURE ".
NO: INSPECTION END.