Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2018 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE
Interior Lighting System DTCS
INTERIOR LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B1692 | FRONT DOOR ILLUMINATION |
| B1739 | AMBIENT LAMP (FRONT: INSIDE HANDLE) |
| B1755 | OUTSIDE MIRROR LAMP |
| B1759 | STEP LAMP |
| B17DE | AMBIENT LAMP (FRONT DOOR GRIP) |
| B25BA | AMBIENT LAMP (FRONT DOOR GRIP) |
| B161E | INSIDE MIRROR LAMP |
| B1692 | FRONT DOOR ILLUMINATION |
| B170F | BACK DOOR LAMP |
| B1727 | VANITY MIRROR LAMP |
| B1734 | FRONT MAP LAMP SWITCH |
| B1735 | FRONT MAP LAMP SWITCH |
| B1738 | REAR ROOM LAMP SWITCH |
| B1739 | AMBIENT LAMP (REAR: INSIDE HANDLE) |
| B1749 | ROOM LAMP |
| B1F24 | AMBIENT LAMP |
| B1F4E | FOOT LAMP |
| B22A3 | OVERHEAD CONTROL PANEL CONTROL UNIT |
| B2364 | AMBIENT LAMP |
| B2844 | AMBIENT LAMP (REAR DOOR GRIP/INSTRUMENT PANEL) |
Factory Service Tools
Use the Manual With the Right Hardware
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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.