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.
1999 Infiniti Q45 BaseFACTORY OEM SERVICE PROCEDURE
All Remote Controller Functions Inoperative
- Check remote controller battery. Perform diagnostic procedure 1. See Figure . If remote controller battery is okay, go to next step. If remote controller battery is defective, replace remote controller battery.
- Enter Identity (ID) code of a different or new remote controller. See PROGRAMMING REMOTE CONTROLLER . If Nissan CONSULT scan tool was used for programming, go to next step. If Nissan CONSULT scan tool was not used for programming, go to step 4 .
- If ID code cannot be entered, perform diagnostic procedure 2. See Figure . If ID code can be entered, retest system. If system functions normally, replace multi-remote controller. If system does not function normally, perform diagnostic procedure 3. See Figure and Figure .
- If ID code can be entered, replace multi-remote controller. If ID code cannot be entered, perform diagnostic procedures 2 and 3. See Figure , Figure and Figure .
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.