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.
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HOMESERVICE MANUALSINFINITI2008FX45 AWD V8-4.5L (VK45DE)REPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMKEYLESS STARTING SYSTEMTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSINTELLIGENT KEY(R) - SYSTEM INOPERATIVE
2008 Infiniti FX45 AWD V8-4.5L (VK45DE)
Intelligent Key(R) - System Inoperative
2008 Infiniti FX45 AWD V8-4.5L (VK45DE)SECTION Intelligent Key(R) - System Inoperative
Classification: EL08-029A
Reference: ITB08-051A
Date: May 4, 2011
INTELLIGENT KEY INOPERATIVE
This bulletin has been amended. The ACTIONS section has been revised. Please discard all previous versions.
APPLIED VEHICLES: All Infiniti with Intelligent Key
IF YOU CONFIRM
The Intelligent Key is not functioning for any reason.
ACTIONS
1. Inspect the outside of the Intelligent Key for physical damage.
^ Look for cracks dents or other signs of physical damage.
NOTE:
Non-operation of the Intelligent Key due to physical damage is not covered under the vehicle warranty.

2. Open the Intelligent Key.
a) Remove the mechanical key from the Intelligent Key.
b) Place a piece of tape on the end of a small flathead screwdriver.

c) Insert the screwdriver into either of the slots shown in Figure 2.
d) Turn the screwdriver until the two cover pieces separate.

DO NOT PRY OPEN THE CASE FROM THE SIDE

3. Inspect the inside of the Intelligent Key for physical damage.
^ Look for components that are out of place or loose.
4. Inspect the inside of the Intelligent Key for signs of water intrusion.
NOTE:
Non-operation of the Intelligent Key due to water intrusion is not covered under the vehicle warranty.

5. Verify that the battery is inserted correctly.

^ The + side of the battery should not be showing when inserted correctly.
Make sure the + side of the battery is facing down.
6. Check the battery voltage.
^ Refer to the applicable Electronic Service Manual (ESM) for battery voltage inspection instructions. Depending on the vehicle this information can be found in one of the following locations:
> DLK section, "Check Intelligent Key Battery"
> BL section, "Intelligent Key Battery Inspection"
7. Refer to the Electronic Service Manual (ESM) for additional Intelligent Key diagnostic and repair information.
^ Reference the current Infiniti Warranty Flat Rate Manual for warranty information.
Reference: ITB08-051A
Date: May 4, 2011
INTELLIGENT KEY INOPERATIVE
This bulletin has been amended. The ACTIONS section has been revised. Please discard all previous versions.
APPLIED VEHICLES: All Infiniti with Intelligent Key
IF YOU CONFIRM
The Intelligent Key is not functioning for any reason.
ACTIONS
1. Inspect the outside of the Intelligent Key for physical damage.
^ Look for cracks dents or other signs of physical damage.
NOTE:
Non-operation of the Intelligent Key due to physical damage is not covered under the vehicle warranty.
2. Open the Intelligent Key.
a) Remove the mechanical key from the Intelligent Key.
b) Place a piece of tape on the end of a small flathead screwdriver.
c) Insert the screwdriver into either of the slots shown in Figure 2.
d) Turn the screwdriver until the two cover pieces separate.
DO NOT PRY OPEN THE CASE FROM THE SIDE
3. Inspect the inside of the Intelligent Key for physical damage.
^ Look for components that are out of place or loose.
4. Inspect the inside of the Intelligent Key for signs of water intrusion.
NOTE:
Non-operation of the Intelligent Key due to water intrusion is not covered under the vehicle warranty.
5. Verify that the battery is inserted correctly.
^ The + side of the battery should not be showing when inserted correctly.
Make sure the + side of the battery is facing down.
6. Check the battery voltage.
^ Refer to the applicable Electronic Service Manual (ESM) for battery voltage inspection instructions. Depending on the vehicle this information can be found in one of the following locations:
> DLK section, "Check Intelligent Key Battery"
> BL section, "Intelligent Key Battery Inspection"
7. Refer to the Electronic Service Manual (ESM) for additional Intelligent Key diagnostic and repair information.
^ Reference the current Infiniti Warranty Flat Rate Manual for warranty information.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.