Infiniti FX35/FX45 (S50; 2003-2008) fuses and relays

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In this article, we consider the first-generation Infiniti FX (S50), produced from 2003 to 2008. Here you will find fuse box diagrams of Infiniti FX35/FX45 2003, 2004, 2005, 2006, 2007 and 2008, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Box Diagram: Infiniti FX35/FX45 (2003-2008)


Cigar lighter (power outlet) fuses in the Infiniti FX35/FX45 are the fuses #2, #3, #4 and #7 in the passenger compartment fuse box.

Passenger Compartment Fuse Box

The fuse box is located behind the cover under the instrument panel.The location of the fuses in the passenger compartment: Infiniti FX35/FX45 (2003-2008)

Fuse Box Diagram

Instrument panel fuse box diagram: Infiniti FX35/FX45 (2003, 2004, 2005, 2006, 2007, 2008)

Assignment of fuses in the instrument panel
Amper RatingDescription
115Body Control Module (BCM), Engine Control Module (ECM), Fuel Injectors
215Luggage Room Power Socket
315Rear Power Socket
415Front Power Socket #2
5-Not Used
610Audio, Display Control Unit, Satellite Radio Tuner, Unified Meter and A/C Amplifier, A/C and AV Switch, Antenna Amplifier, Body Control Module (BCM), Rear View Camera Control Unit, NAVI Control Unit, DVD Player, TEL Adapter Unit, Intelligent Key Unit, Outside Key Antenna, Combination Meter
715Front Power Socket #1
815Heated Mirror
910Combination Meter, Automatic Drive Positioner Control Unit
1015Blower Motor, Unified Meter and A/C Amplifier
1115Blower Motor, Unified Meter and A/C Amplifier
1210Intelligent Cruise Control (ICC), ICC Sensor, ICC Brake Switch, ICC Brake Hold Relay, Engine Control Module, Unified Meter and A/C Amplifier, Stop Lamp Switch, Shift Lock Solenoid, ECV Solenoid Valve (A/C Compressor), Display Control Unit, NAVI Control Unit, TEL Adapter Unit, Intelligent Key Unit, Steering Angle Sensor, Snow Mode Switch, Lane Departure Warning (LDW) Switch, LDW Camera Unit, LDW Chime, Auto Anti-Dazzling Inside Mirror (Compass), ASCD Brake Switch, Rear Window Defogger Relay, AWD Control Unit
1310Air Bag Diagnosis Sensor Unit, Occupant Classification System Control Unit
1410Combination Meter
1510Heated Seat Switch
16102003-2005:  Oxygen Sensors, Air Fuel Ratio Sensors;
2006-2008: Not Used
1720BOSE Speaker Amplifier
1815Back Door Closure Control Unit
1910Combination Meter, Unified Meter and A/C Amplifier, Data Link Connector, Rear View Camera Control Unit, Security Indicator Lamp, Clock
2010Stop Lamp Switch, Intelligent Cruise Control (ICC), ICC Brake Hold Relay, ABS, Unified Meter and A/C Amplifier, Rear Combination Lamp Control Unit
2110AWD Control Unit
2215Body Control Module (BCM), Key Switch, Key Switch and Ignition Knob Switch, NATS Antenna Amplifier, Automatic Drive Positioner Control Unit
Relay
R1Blower
R2Accessory

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Engine Compartment Fuse Boxes

Two fuse blocks and relay block #1 are located next to the battery under the cover on the passenger side. To access some items, you need to remove some parts of the casing near the battery. From 2006 to 2008, under the cover on the driver’s side is the relay block #2.The location of the fuses in the engine compartment: Infiniti FX35/FX45 (2003-2008)

Fuse Box #1 Diagram

Under-hood fuse box #1 diagram: Infiniti FX35/FX45 (2003, 2004, 2005, 2006, 2007, 2008)

Assignment of fuses in the engine compartment fuse Box #1
Amper RatingDescription
7110Tail Lamp Relay, Parking Lamp, Tail Lamp, Side Marker Lamp, IPDM CPU, Headlamp Aiming Control, Rear Combination Lamp Control Unit, License Plate Lamp, Glove Box Lamp, Combination Switch, Microphone (Illumination: A/T Device, Snow Mode Switch, VDC OFF Switch, Clock, Hazard Switch, Heated Seat Switch, Door Mirror Remote Control Switch, LDW Switch, A/C and AV Switch, DVD Player, Front Power Socket)
7210Right Headlamp (High Beam)
7330Front Wiper Relay
7410Left Headlamp (High Beam)
7520Rear Window Defogger Relay
7615Right Headlamp (Low Beam)
7720Engine Control Module (ECM), ECM Relay, Intake Valve Timing Control Solenoid Valve, Mass Air Flow Sensor, Crankshaft Position Sensor, Camshaft Position Sensors, EVAP Canister Purge Volume Control Solenoid Valve, Ignition Coils, Condenser, Intake Valve Timing Control Position Sensors (VK45DE)
7815IPDM CPU, Windshield Wiper De-icer
7910Air Conditioner Compressor Clutch
8020Rear Window Defogger Relay, Fuse: "8"
8115Fuel Pump Relay, Fuel Level Sensor Unit and Fuel Pump, Engine Control Module (ECM)
8210ABS
8310Transmission Control Module (TCM), Back-Up Lamp Relay, Display Control Unit, NAVI Control Unit, Rear View Camera Control Unit
8410Combination Switch, Front and Rear Washer System
8510Air Fuel Ratio Sensors, Heated Oxygen Sensors
8615Left Headlamp (Low Beam)
8715Throttle Control Motor Relay, Engine Control Module (ECM)
8815Front Fog Lamp Relay
8910Data Link Connector, EVAP Canister Vent Control Valve, VIAS Control Solenoid Valve (VK45DE)
Relay
R1Engine Control Module
R2Headlamp High
R3Headlamp Low
R4Starter
R5Ignition
R6Cooling Fan (№3)
R7Cooling Fan (№1)
R8Cooling Fan (№2)
R9Throttle Control Motor
R10Fuel Pump
R11Front Fog Lamp

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Fuse Box #2 Diagram

Under-hood fuse box #2 diagram: Infiniti FX35/FX45 (2003, 2004, 2005, 2006, 2007, 2008)

Assignment of fuses in the engine compartment fuse Box #2
Amper RatingDescription
3130Trailer Tow Lights
3215Audio, Subwoofer, Display Control Unit, A/C and AV Switch, NAVI Control Unit, DVD Player, TEL Adapter Unit
3310Alternator
3415Horn Relay
3510Intelligent Cruise Control (ICC)
3610Daytime Light Relay
3710Transmission Control Module (TCM)
3810Intelligent Key Unit, Key Switch and Ignition Knob Switch, Passenger Side Select Unlock Relay, Steering Lock Unit, Intelligent Key Warning Buzzer
F40Ignition Switch, Starter Relay
G40Cooling Fan Relay №1, Cooling Fan Relay No.3
H40Cooling Fan Relay №2
I50ABS
J-Not Used
K30Accessory Relay No.2 (Fuses: "2", "3")
L30ABS
M50Body Control Module (BCM), Automatic Drive Positioner Control Unit, Power Seat, Power Window, Sunroof, Rear Wiper, Interior Lighting, Turn Signal Lights, Hazard
Relay
R1Horn
R2Accessory №2

Fusible Link Block

The main fuses are located on the positive terminal of the battery.Fusible Link Block: Infiniti FX35/FX45 (2003, 2004, 2005, 2006, 2007, 2008)

Amper RatingDescription
A120Alternator, Fuse: "B", "C"
B100Fuses: "32", "33", "34", "35", "36", "37", "38", "F", "G", "H", "I", "K", "L", "M"
C80Headlamp High Relay (Fuses: "72", "74"), Headlamp Low Relay (Fuses: "76", "86"), Fuses: "71", "73", "75", "87", "88"
D60Accessory Relay (Fuses: "4", "6", "7"), Blower Relay (Fuses: "10", "11"), Fuses: "17", "18", "19", "20", "21", "22"
E80Ignition Relay (Air Conditioner Relay, Front Wiper Relay, Front Wiper High Relay, Fuses: "81", "82", "83", "84", "85", "89"), Fuses: "77", "78", "79", "80"

Relay Box #1

Relay Box #1: Infiniti FX35/FX45 (2003, 2004, 2005, 2006, 2007, 2008)

Relay
R1Daytime Light
R2ICC Brake Hold
R3Rear Window Defogger

Relay Box #2

Relay Box #2: Infiniti FX35/FX45 (2003, 2004, 2005, 2006, 2007, 2008)

Relay
R1Back-Up Lamp
R2Not Used