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.
1998 Infiniti Q45 BaseFACTORY OEM SERVICE PROCEDURE
Component Locations
COMPONENT LOCATIONS
| Component | Location |
|---|---|
| Steering Column Switch | Left Side Of Steering Column |
| Body Control Module (BCM) | Behind Driver's Side Of Instrument Panel |
| Data Link Connector (DLC) | Interior Fuse Panel |
| Driver's Door Switch | Bottom Of Driver's Door Jam |
| LCU 05 (Driver's Seat Control Unit) | Under Driver's Seat |
| Memory Switch | Next To Driver's Interior Door Handle |
| Steering Column Tilt Sensor | Attached To Steering Column Tilt Motor |
| Vehicle Speed Sensor (VSS) | Mounted On Transmission Extension Housing |
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.