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 CHARGINGPOWER AND GROUND DISTRIBUTIONTECHNICAL SERVICE BULLETINSCOMPUTERS CONTROLS - IPDM SERVICEABILITY
2008 Infiniti FX45 AWD V8-4.5L (VK45DE)
Computers Controls - IPDM Serviceability
2008 Infiniti FX45 AWD V8-4.5L (VK45DE)SECTION Computers Controls - IPDM Serviceability
Classification: EL09-015
Reference: ITB09-022
Date: April 27, 2009
IPDM SERVICE
APPLIED VEHICLES:
2007 - 2009 Infiniti Models with IPDM
SERVICE INFORMATION
The Intelligent Power Distribution Module (IPDM) is ONLY serviceable as an assembly.
The ONLY serviceable parts of an IPDM are the fuses.

^ Some IPDM designs have sections that appear to Relays Relays be serviceable relays.
^ These "relays" are NEVER to be removed.
^ These "relays" may have markings indicating they are similar. They are not "swappable".
CAUTION:
NEVER REMOVE relays from an IPDM.
Tampering with the relays of an IPDM may cause additional incidents with the vehicle. Such incidents may include:
^ Headlights inoperative.
^ Radiator fan inoperative
^ Fog lamps inoperative
^ Wiper inoperative
Reference: ITB09-022
Date: April 27, 2009
IPDM SERVICE
APPLIED VEHICLES:
2007 - 2009 Infiniti Models with IPDM
SERVICE INFORMATION
The Intelligent Power Distribution Module (IPDM) is ONLY serviceable as an assembly.
The ONLY serviceable parts of an IPDM are the fuses.
^ Some IPDM designs have sections that appear to Relays Relays be serviceable relays.
^ These "relays" are NEVER to be removed.
^ These "relays" may have markings indicating they are similar. They are not "swappable".
CAUTION:
NEVER REMOVE relays from an IPDM.
Tampering with the relays of an IPDM may cause additional incidents with the vehicle. Such incidents may include:
^ Headlights inoperative.
^ Radiator fan inoperative
^ Fog lamps inoperative
^ Wiper inoperative
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.