Infiniti Q45 (F50; 2001-2006) fuses and relays

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In this article, we consider the third-generation Infiniti Q-Series (F50), produced from 2001 to 2006. Here you will find fuse box diagrams of Infiniti Q45 2001, 2002, 2003, 2004, 2005 and 2006, 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 Layout Infiniti Q45 2001-2006

Passenger Compartment Fuse Boxes

Fuse Box Location

There are two fuse boxes that are located on the right and left under the dashboard (open the lids to access the fuses).The location of the fuses in the passenger compartment: Infiniti Q45 (2001-2006)

Fuse Box Diagram (Driver side)

Interior fuse box #1 diagram: Infiniti Q45 (2001, 2002, 2003, 2004, 2005, 2006)

Assignment of fuses in the passenger compartment (Driver side)
Ampere RatingDescription
110Body Control Module (BCM), Power Door Lock, Intelligent Cruise Control (ICC) Control Unit, ICC Warning Chime, ICC Brake Hold Relay, ICC Sensor, ICC Brake Switch, Headlamp Battery Saver Control Unit, AV and Navi Control Unit, TEL Adapter Unit, Theft Warning System, Nissan Anti Theft System (NATS) Immobilizer, Warning Chime, Lane Departure Warning (LDW) Switch, LDW Chime, LDW Camera Unit, Compass (Auto Anti-Dazzling Inside Mirror), Rear Window Defogger Relay, Dual Mode Meffler Control Unit, Power Window, Headlamp, Daytime Light System, Sunroof, Pre-Crash Seat Belt Control Unit, Power Seat, Climate Controlled Seat Relay, Rain Sensor, Trunk Lid Opener Relay
210Auto Air Conditioner Amplifier, ECV Solenoid Valve (A/C Compressor)
310Body Control Module (BCM), Power Door Lock, Trunk Lid Opener Relay, Trunk Lid Opener Switch, Theft Warning System, Warning Chime, Power Window, Reverse Interlock Door Mirror System, Headlamp, Daytime Light System, Sunroof, Power Seat
410Rear Sunshade Unit, Rear Control Cancel Switch, Rear Control Cancel Relay, Handset, Door Mirror Defogger Relay, Auto Return Cancel Switch
510Combination Flasher Unit
610Data Link Connector, Combination Meter, Warning Chime, Auto Air Conditioner Amplifier, Headlamp Battery Saver Control Unit, Low Tire Pressure Warning Control Unit, Handset, Security Indicator Lamp, Body Control Module (BCM), Theft Warning System, Nissan Anti Theft System (NATS) Immobilizer, Steering Lock Control Unit, Clock, Active Damper Suspension Control Unit
710VDC/TCS/ABS Control Unit, Active Damper Suspension Control Unit, Rear Active Steer (RAS) Control Unit
810Map Lamp, Console Lamp, Rear Personal Lamp, Front Step Lamp, Rear Step Lamp, Vanity Mirror Lamp, Trunk Room Lamp, Foot Well Lamp, Homelink Universal Transceiver, Detention Switch (A/T), Shift Lock Control Unit, Microphone, Door Mirror Control Unit, Reverse Interlock Door Mirror System, Ignition Key Hole Illumination, Seat Memory Switch
910Combination Meter, Back-Up Lamp Relay, Back-Up Lamp, A/T Device, Alternator, Transmission Control Module (TCM), AV and Navi Control Unit, Rear View Camera Unit, Reverse Interlock Door Mirror System
1020Rear Window Defogger Relay
1120Rear Window Defogger Relay
1210Automatic Speed Control Device (ASCD) Control Unit, ASCD Brake Switch
1315Engine Control Module (ECM), Injectors, Fuel Pump Relay
1410Starter, Daytime Light Control Unit, Body Control Module (BCM)
1520Trunk Lid Opener Actuator, Fuel Lid Opener Actuator, Trunk Lid Opener Relay, Body Control Module (BCM), Trunk Closure Control Unit, Auto Trunk Control Unit, Auto Trunk Buzzer, Auto Trunk Motor
1610Air Fuel Ratio Sensor
1710 or 152002-2004 (15A): Stop Lamp Switch, VDC/TCS/ABS Control Unit, Intelligent Cruise Control (ICC) Brake Hold Relay, ICC Control Unit, Shift Lock Control Unit, Active Damper Suspension Control Unit;

2005-2006 (10A):  Stop Lamp Switch, VDC/TCS/ABS Control Unit, Intelligent Cruise Control (ICC) Brake Hold Relay, ICC Control Unit, Shift Lock Control Unit, Active Damper Suspension Control Unit, Rear Active Steer (RAS) Control Unit
1810Heated Oxygen Sensors
1915Shift Lock Solenoid, Shift Lock Control Unit
2010Air Bag Diagnosis Sensor Unit, Occupant Classification System
2110Audio Unit, Display, Satellite Radio Tuner, BOSE Amplifier, Auto Air Conditioner Amplifier, CD Auto Changer, Rear Control Cancel Relay, Rear Control Switch, Antenna Amplifier, AV and Navi Control Unit, Multifunction Switch, Voice Activated Control Module, TEL Adapter Unit, Low Tire Pressure Warning Control Unit, Body Control Module (BCM), Remote Keyless Entry System, Theft Warning System, Combination Meter, Rear View Camera Unit, Headlamp, Daytime Light System, Power Seat
2215Combination Flasher Unit
R1Accessory Relay

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Fuse Box Diagram (Passenger side)

Interior fuse box #2 diagram: Infiniti Q45 (2001, 2002, 2003, 2004, 2005, 2006)

Assignment of fuses in the passenger compartment (Passenger side)
Ampere RatingDescription
3115Blower Motor, Auto Air Conditioner Amplifier
3210Key Switch and Key Lock Solenoid, Power Window, Detention Switch (A/T), Body Control Module (BCM), Auto Trunk Control Unit, Nissan Anti Theft System (NATS) Immobilizer, Steering Lock Control Unit, Warning Chime, Engine Control Module (ECM) Relay (Intake Valve Timing Control Position Sensor, Mass Air Flow Sensor, Crankshaft Position Sensor, Camshaft Position sensor, EVAP Canister Purge Volume Control Solenoid Valve, EVAP Canister Vent Control Valve)
3315Blower Motor, Auto Air Conditioner Amplifier
3420Front Wiper Relay, Front Wiper Motor, Front Washer Motor, Intelligent Cruise Control (ICC) Control Unit
3510Transmission Control Module (TCM), A/T PV IGN Relay
3615Fuel Pump Relay, Fuel Pump Control Module (FPCM)
3710Handset
38-Not Used
R1Blower Relay
R2Engine Control Module (ECM) Relay
R3Fuel Pump Relay

Engine Compartment Fuse Box

Fuse Box Location

The location of the fuses in the engine compartment: Infiniti Q45 (2001-2006)

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Fuse Box Diagram

Under-hood fuse box diagram: Infiniti Q45 (2001, 2002, 2003, 2004, 2005, 2006)

Assignment of fuses in the engine compartment
Ampere RatingDescription
5110Air Conditioner Relay (Magnet Clutch), Engine Control Module (ECM)
5215Audio Unit, Satellite Radio Tuner, CD Auto Changer, AV and Navi Control Unit, Display, Voice Activated Control Module, AV and Navi Control Unit, Display, Voice Activated Control Module, TEL Adapter Unit, Low Tire Pressure Warning Control Unit, Rear View Camera Unit
5320Engine Control Module (ECM) Relay (Ignition Coils, Condenser, Intake Valve Timing Control Solenoid Valve, Vacuum Cut Valve Bypass Valve, Variable Induction Air Control System (VIAS) Control Solenoid Valve)
5415Tail Lamp Relay (Front/Rear Combination Lamps, Front/Rear Side Marker Lamp, License Lamps, Console Box Lamp, Glove Box Lamp, Illumination Control Switch,  Illumination ( Cigarete Lighter, Multifunction Switch, VDC Off Switch, Hazard Switch, Audio Unit, CD Auto Changer, A/T Device, Clock, Climate Controlled Seat Temperature Dial, Headlamp Aiming Switch, AV and Navi Control Unit, Climate Controlled Seat Switch, Heated Seat Switch, Climate Controlled Seat Level Switch, Lane Departure Warning (LDW) Switch, Front/Rear Ashtrays, Rear Power Seat Switch, Rear Sunshade Front Switch, Active Dumper Suspension Select Switch, Door Control Unit, Power Window Main Switch, Microphone, Rear Console Cancel Switch), Headlamp Aiming Motor LH/RH, Headlamp Battery Saver Control Unit)
5520Right Headlamp (Low Beam), Headlamp Relay №1, Theft Warning System
5615Horn Relay, Steering Switch, Body Control Module (BCM), Theft Warning System, Alternator
5720Left Headlamp (Low Beam), Headlamp Relay №1, Theft Warning System
5810Data Link Connector, Cooling Fan Relay №2, Cooling Fan Relay №3, Intake Valve Timing Control Solenoid Valve, Vacuum Cut Valve Bypass Valve, Variable Induction Air Control System (VIAS) Control Solenoid Valve
7115Climate Controlled Seat Relay (Driver Side)
7215Climate Controlled Seat Relay (Passenger Side)
7315Headlamp (High Beam), Lighting Switch, Headlamp Relay №2, Combination Meter, Daytime Light Control Unit, Body Control Module (BCM), Theft Warning System, Headlamp Battery Saver Control Unit
7415Throttle Control Motor Relay
7510Transmission Control Module (TCM), A/T PV IGN Relay
7620Rear Active Steer (RAS) Motor Relay, RAS Control Unit
7710Intelligent Cruise Control (ICC) Unit
7815Frong Fog Lamp Relay
B50Ignition Relay (Fuses: 1, 2, 5, 7, 9, 34, 35, 36, 37, 81, 82)
C50Accessory Relay (Fuses: 4; Circuit Breaker №3 - Cigar Lighter, Front Power Socket), Fuses: 3, 6, 8, 10, 11, 15, 17, 19, 22
D302002: VDC/TCS/ABS;

2005-2006:  Pre-Crash Seat Belt Control Unit
E40Cooling Fan Relay №1
F30VDC/TCS/ABS (Solenoid Valve Relay)
G50Ignition Switch, Park/Neutral Position Switch, Starter, Accessory Relay
H40Circuit Breaker №1 (Power Window, Door Lock, Driver Door Control Module, Rear LH Door Control Unit, Body Control Module(BCM), Sunroof Motor, Automatic Drive Positioner), Circuit Breaker №2 (Power Window, Door Lock, Passenger Door Control Module, Rear RH Door Control Unit, Driver Seat Control Unit, Automatic Drive Positioner, Rear Power Seat Control Unit (LH/RH))
I40Cooling Fan Motor №2 (Cooling Fan Relay №1, Cooling Fan Relay №2, Cooling Fan Relay №3)
J30BOSE Amplifier
K50VDC/TCS/ABS (Motor Relay)
L50Blower Relay (Fuses: 31, 33), Fuse: 32
Relay
R1Back-Up Lamp
R2Throttle Control Motor
R3Headlamp (№2)
R4Headlamp (№1)
R5Park/Neutral Position
R6Air Conditioner
R7Tail Lamp
R8Horn
R9Ignition
R10Front Wiper

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Relay Box #1

Relay Box #1: Infiniti Q45 (2001, 2002, 2003, 2004, 2005, 2006)

Ampere RatingDescription
8120Heated Seat (Front/Rear)
8210Daytime Light Control Unit
Relay
R12002-2004: Climate Controlled Seat;
2005-2006: Cooling Fan №1
R22005-2006: Intelligent Cruise Control (ICC) Brake Hold
R32005-2006: Front Fog Lamp
R42002-2004:  Intelligent Cruise Control (ICC) Brake Hold
R52002-2004: A/T PV ign;
2005-2006: Front Wiper Rain

Relay Box #2 (2005-2006)

Relay Box #2: Infiniti Q45 (2001, 2002, 2003, 2004, 2005, 2006)

Relay
R1Cooling Fan №2
R2Not Used
R3Cooling Fan №3