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

Fuse Layout Infiniti FX35 and FX45 2003-2008

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

Passenger Compartment Fuse Box

Fuse Box Location

The fuse box is located behind the cover under the instrument panel.Fuses and relays Infiniti FX35/FX45 (S50 2003-2008)

Fuse Box Diagram

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

Assignment of fuses in the instrument panel

Amper Rating Description
1 15 Body Control Module (BCM), Engine Control Module (ECM), Fuel Injectors
2 15 Luggage Room Power Socket
3 15 Rear Power Socket
4 15 Front Power Socket #2
5 Not Used
6 10 Audio, 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
7 15 Front Power Socket #1
8 15 Heated Mirror
9 10 Combination Meter, Automatic Drive Positioner Control Unit
10 15 Blower Motor, Unified Meter and A/C Amplifier
11 15 Blower Motor, Unified Meter and A/C Amplifier
12 10 Intelligent 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
13 10 Air Bag Diagnosis Sensor Unit, Occupant Classification System Control Unit
14 10 Combination Meter
15 10 Heated Seat Switch
16 10 2003-2005: Oxygen Sensors, Air Fuel Ratio Sensors;
2006-2008: Not Used
17 20 BOSE Speaker Amplifier
18 15 Back Door Closure Control Unit
19 10 Combination Meter, Unified Meter and A/C Amplifier, Data Link Connector, Rear View Camera Control Unit, Security Indicator Lamp, Clock
20 10 Stop Lamp Switch, Intelligent Cruise Control (ICC), ICC Brake Hold Relay, ABS, Unified Meter and A/C Amplifier, Rear Combination Lamp Control Unit
21 10 AWD Control Unit
22 15 Body Control Module (BCM), Key Switch, Key Switch and Ignition Knob Switch, NATS Antenna Amplifier, Automatic Drive Positioner Control Unit
Relay
R1 Blower
R2 Accessory

Engine Compartment Fuse Boxes

Fuse Box Location

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.Fuses and relays Infiniti FX35/FX45 (S50 2003-2008)

Fuse Box #1 Diagram

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

Assignment of fuses in the engine compartment fuse Box #1

Amper Rating Description
71 10 Tail 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)
72 10 Right Headlamp (High Beam)
73 30 Front Wiper Relay
74 10 Left Headlamp (High Beam)
75 20 Rear Window Defogger Relay
76 15 Right Headlamp (Low Beam)
77 20 Engine 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)
78 15 IPDM CPU, Windshield Wiper De-icer
79 10 Air Conditioner Compressor Clutch
80 20 Rear Window Defogger Relay, Fuse: “8”
81 15 Fuel Pump Relay, Fuel Level Sensor Unit and Fuel Pump, Engine Control Module (ECM)
82 10 ABS
83 10 Transmission Control Module (TCM), Back-Up Lamp Relay, Display Control Unit, NAVI Control Unit, Rear View Camera Control Unit
84 10 Combination Switch, Front and Rear Washer System
85 10 Air Fuel Ratio Sensors, Heated Oxygen Sensors
86 15 Left Headlamp (Low Beam)
87 15 Throttle Control Motor Relay, Engine Control Module (ECM)
88 15 Front Fog Lamp Relay
89 10 Data Link Connector, EVAP Canister Vent Control Valve, VIAS Control Solenoid Valve (VK45DE)
Relay
R1 Engine Control Module
R2 Headlamp High
R3 Headlamp Low
R4 Starter
R5 Ignition
R6 Cooling Fan (№3)
R7 Cooling Fan (№1)
R8 Cooling Fan (№2)
R9 Throttle Control Motor
R10 Fuel Pump
R11 Front Fog Lamp

Fuse Box #2 Diagram

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

Assignment of fuses in the engine compartment fuse Box #2

Amper Rating Description
31 30 Trailer Tow Lights
32 15 Audio, Subwoofer, Display Control Unit, A/C and AV Switch, NAVI Control Unit, DVD Player, TEL Adapter Unit
33 10 Alternator
34 15 Horn Relay
35 10 Intelligent Cruise Control (ICC)
36 10 Daytime Light Relay
37 10 Transmission Control Module (TCM)
38 10 Intelligent Key Unit, Key Switch and Ignition Knob Switch, Passenger Side Select Unlock Relay, Steering Lock Unit, Intelligent Key Warning Buzzer
F 40 Ignition Switch, Starter Relay
G 40 Cooling Fan Relay №1, Cooling Fan Relay No.3
H 40 Cooling Fan Relay №2
I 50 ABS
J Not Used
K 30 Accessory Relay No.2 (Fuses: “2”, “3”)
L 30 ABS
M 50 Body Control Module (BCM), Automatic Drive Positioner Control Unit, Power Seat, Power Window, Sunroof, Rear Wiper, Interior Lighting, Turn Signal Lights, Hazard
Relay
R1 Horn
R2 Accessory №2

Fusible Link Block

The main fuses are located on the positive terminal of the battery.Fuses and relays Infiniti FX35/FX45 (S50 2003-2008)

Amper Rating Description
A 120 Alternator, Fuse: “B”, “C”
B 100 Fuses: “32”, “33”, “34”, “35”, “36”, “37”, “38”, “F”, “G”, “H”, “I”, “K”, “L”, “M”
C 80 Headlamp High Relay (Fuses: “72”, “74”), Headlamp Low Relay (Fuses: “76”, “86”), Fuses: “71”, “73”, “75”, “87”, “88”
D 60 Accessory Relay (Fuses: “4”, “6”, “7”), Blower Relay (Fuses: “10”, “11”), Fuses: “17”, “18”, “19”, “20”, “21”, “22”
E 80 Ignition 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

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

Relay
R1 Daytime Light
R2 ICC Brake Hold
R3 Rear Window Defogger

Relay Box #2

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

Relay
R1 Back-Up Lamp
R2 Not Used

Video to the article

Fuse box location and diagrams: Infiniti FX35/FX45 (2003-2008)
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Infiniti FX35, FX45 (S50) 2003-2008 – Service Manual, Repair Manual
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