Infiniti QX4 (1996-2003) fuses and relays

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The mid-size luxury SUV Infiniti QX4 was produced from 1996 to 2003. In this article, you will find fuse box diagrams of Infiniti QX4 1997, 1998, 1999, 2000, 2001, 2002 and 2003, 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 QX4 (1996-2003)

Passenger Compartment Fuse Box

The fuse box is located behind the cover to the left of the steering wheel.The location of the fuses in the passenger compartment: Infiniti QX4 (1997-2003)

Fuse Box Diagram

Instrument panel fuse box diagram: Infiniti QX4 (1997, 1998, 1999, 2000, 2001, 2002, 2003)

Assignment of fuses in the instrument panel
Ampere RatingDescription
115Blower Motor
215Blower Motor
320Transfer Control Unit (4x4)
415Audio Unit, Audio Amplifier Relay, Rear Speaker Amplifier, Aux Box, Display and Navi Control Unit
510Glass Hatch Opener Actuator and Switch, Fuel Lid Opener Actuator and Switch
67.5Auto Air Conditioner
77.5 or 101997 (10A): Combination Meter;
1998-2003 (7.5A): ABS
810Combination Meter
910Combination Meter, Compass and Thermometr, Door Mirror Remote Control Switch
1010Smart Entrance Control Unit, Headlamp (Xenon), Daytime Running Light, Audio Unit, Aux Box, Steering Wheel Receiver Control Switch, Power Antenna, Theft Warning System, Display and Navi Control Unit
117.51997: Hazard Switch, Combination Flasher Unit;

1998-2003: Smart Entrance Control Unit, Headlamp (Xenon), Daytime Running Control Unit, Interior Lamps, Spot Lamps, Vanity Mirror Lamps, Luggage Room Lamp, Warning Chime, Rear Window Defogger Relay, Automatic Drive Positioner, Automatic Speed Control Device (ASCD) Brake Switch, Park/Neutral Position Relay, ASCD Control Unit, Intelligent Cruise Control (ICC) Unit, ICC Warning Chime, ICC Sensor, ICC Brake Hold Relay, Remote Keyless Entry System, Theft Warning System, Display and Navi Control Unit
127.51997: Automatic Transmission Shift Lock System, Air Conditioner, Starting System, Daytime Running Control Unit, Warning Chime, Rear Window Defogger Relay, Automatic Speed Control Device (ASCD) Brake Switch, ASCD Control Unit, Power Window, Sunroof, Theft Warning System;

1998-2003: Hazard Switch, Combination Flasher Unit
13151998-2003: Cigarette Lighter
1410 or 151997 (15A): Hazard Switch, Combination Flasher Unit;

1998-2003 (10A): Stop Lamp Switch, Automatic Speed Control Device (ASCD) Control Unit, Intelligent Cruise Control (ICC) Brake Hold Relay, ABS
157.51997-1998: Interior Lamps, Spot Lamps, Vanity Mirror Lamps, Luggage Room Lamp, Transmission Control Module (TCM), Homelink Universal Transceiver, Multi-Remote Control System
1610Intelligent Cruise Control (ICC) Unit, Transmission Control Module (TCM), Park/Neutral Position Relay and Switch, Throttle Position Switch, Engine Control Module (ECM), Nissan Anti Theft System (NATS) Immobiliser, Variable Induction Air Control System (VIAS), EVAP Canister Vent Control Valve, Intake Valve Timing Control Solenoid Valve, EVAP Canister Purge Volume Control Solenoid Valve, Swirl Control Valve Control Solenoid Valve, Vacuum Cut Valve Bypass Valve, Data Link Connector, Transfer Control Unit, Headlamp Battery Saver Control Unit
1715Fuel Pump Relay
18101997: Heated Seat;

1998-2003: Park/Neutral Position Switch and Relay (Back-Up Lamps, Combination Meter, Display and Navi Control Unit), Transfer Control Unit
1920Front Wiper Motor, Front Washer Motor, Front Wiper Switch, Intelligent Cruise Control (ICC) Unit
2010 or 151997 (10A): Stop Lamp Switch, Automatic Speed Control Device (ASCD) Control Unit, ABS;

1998-2003 (15A): Hazard Switch, Combination Flasher Unit
21101997: Transmission Control Module (TCM), EGRC Solenoid Valve, EGR, Idle Air Control Valve-Auxiliary Air Control (IACV-AAC) Valve, Data Link Connector;

1999-2000: Door Mirror Defogger;

2001-2003: Injectors
2210Air Bag Diagnosis Sensor Unit
23-Not Used
247.5Smart Entrance Control Unit, Headlamp (Xenon), Daytime Running Light, Key Switch, Interior Lamps, Spot Lamps, Vanity Mirror Lamps, Luggage Room Lamp, Warning Chime, Clock, Power Antenna, Automatic Drive Positioner, Seat Memory Switch, Remote Keyless Entry System, Theft Warning System, Homelink Universal Transceiver, Nissan Anti Theft System (NATS) Immobiliser, Park/Neutral Position Switch, Data Link Connector
2510 or 15Heated Oxygen Sensors (1997-2000 - 10A; 2001-2003 - 15A)
267.5Start Signal, Daytime Running Control Unit, Automatic Drive Positioner
27101997: Door Mirror, Compass and Thermometer;
1998-2003: Not Used
287.5 or 10 or 151997 (7.5A): ABS;

1998-2000 (10A): Heated Seat;

2001-2003 (15A): Heated Seat (Front/Rear)
2910Rear Wiper Motor, Rear Wiper Switch, Rear Washer Motor, Power Socket Relay
Relays
R1Ignition
R2Blower
R3Accessory
R41997-1998: Circuit Breaker (№2 - Power Seat);
1999-2003: Power Socket
R5Circuit Breaker
R6Power Window

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Engine Compartment Fuse Box

The location of the fuses in the engine compartment: Infiniti QX4 (1997-2003)

Fuse Box Diagram

Under-hood fuse box diagram: Infiniti QX4 (1997, 1998, 1999, 2000, 2001, 2002, 2003)

Assignment of fuses in the engine compartment
Ampere RatingDescription
51151997-2001: Power Socket Relay (Power Socket);
2002-2003: Not Used
527.5Horn Relay, Horn Switch, Horn (High Tone), Steering Wheel Switch, Theft Warning System
5315Front Fog Lamp Relay
5410Horn Relay, Horn (Low Tone), Theft Warning System, Automatic Speed Control Device (ASCD) Control Unit
5520Transfer Control Unit (4x4)  
5620Rear Window Defogger Relay
5720Rear Window Defogger Relay
5810Door Mirror Defogger Relay
59151997-2000: Right Headlamp, Lighting Switch, Daytime Running Light, Headlamp Battery Saver Control Unit;

2001-2003: Right Headlamp Relay (High Beam), Smart Entrance Control Unit, Daytime Running Light, Front Fog Lamp Relay
60151997-2000: Left Headlamp, Lighting Switch, High Beam Indicator, Daytime Running Light, Headlamp Battery Saver Control Unit;

2001-2003: Left Headlamp Relay (High Beam), High Beam Indicator, Smart Entrance Control Unit, Daytime Running Light
6110Tail Lamp Relay, Smart Entrance Control Unit, Lighting Switch, Parking Lamps, Tail Lamps, License Plate Lamps, Headlamp Aiming, Illumination Control Switch, Glove Box Lamp, Combination Meter,  Illumination:  (4WD Shift Switch, Ashtray, Automatic Transmission Device (Indicator), Cigarette Lighter, Audio Unit, Compass and Thermometr, Hazard Switch, Rear Window Defogger Switch, Headlamp Aiming Switch, Display and Navi Control Unit, A/C Auto Amplifier, Clock)
627.5Mass Air Flow Sensor, Crankshaft Position Sensor, Idle Air Control Valve-Auxiliary Air Control (IACV-AAC) Valve, Nissan Anti Theft System (NATS) Immobiliser, Ignition Signal, Intake Valve Timing Control Position Sensor
63101997-2000: Injectors;

2001-2003: Ignition Signal, Idle Air Control Valve-Auxiliary Air Control (IACV-AAC) Valve
6415Power Socket Relay (Power Socket, Rear Power Socket)
657.5Alternator
6615Fuel Pump Relay
67101997-2001: Not Used;

2002-2003: Intelligent Cruise Control (ICC) Control Unit
68201997-2000: Not Used;

2001-2003: Left Headlamp (Low Beam)
69201997-2000: Not Used;

2001-2003: Right Headlamp (Low Beam)
70-Not Used
A100 or 1201997-2000 (120A): Alternator, Fuses: F, G, I, 51, 52, 53, 54, 55, 56, 57, 58, 65;

2001-2003 (100A): Alternator, Fuses: F, G, I, 52, 53, 54, 55, 56, 57, 58
B-Not Used
C30 or 40ABS (1997 - 30A; 1998-2003 - 40A)
D30 or 40ABS (1997 - 30A; 1998-2003 - 40A)
E40Ignition Switch
F40Circuit Breaker (Smart Entrance Control Unit, Power Window Relay, Power Window, Power Door Lock, Sunroof Motor, Power Seat LH/RH, Automatic Drive Positioner)
G40Fuses: 4, 5, 14, 15, 20, 24, 52
H-Not Used
I80Ignition Relay (Fuses: 3, 7, 8, 11, 12, 18, 28), Accessory Relay (Fuses: 9, 10, 13, 19, 29), Blower Motor Relay (Fuses: 1, 2)
Relays
R11997: Inhibitor;
1998-2002: Park/Neutral Position;
2003: Engine Control Module (ECM)
R21997-2000: Fuel Pump;
2001-2002: Engine Control Module (ECM);
2003: Park/Neutral Position
R31997-1998: Transfer Indicator Lamp;
1999-2000: Multi-Remote Control;
2001-2002: Fuses 67-70;
2003: Fuel Pump (№2)
R41997-2000: Engine Control Module (ECM);
2001-2002: Fuel Pump (№2)

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Relay Box

Relay Box: Infiniti QX4 (1997, 1998, 1999, 2000, 2001, 2002, 2003)

Relay
R11997-1998: Theft Warning;
1999-2003: Rear Window Defogger
R21997: Door Mirror Defogger;
1998: Rear Window Defogger;
1998-2003: Transfer Shift Low (4x4)
R31997-1998: Theft Warning Lamp;
1999-2001: Right Headlamp;
2002-2003: Fuel Pump (№1)
R41997: Front Fog Lamp;
1998: Multi-Remote Control;
1999-2000: Theft Warning Lamp;
2002-2003: Transfer Shift High (4x4)
R51997: Multi-Remote Control (№1);
1998-2001: Front Fog Lamp;
2002-2003: Not Used
R61997: Multi-Remote Control (№2);
1999-2000: Tail Lamp;
2001: Multi-Remote Control;
2002-2003: Front Fog Lamp
R71997-2001: A/C;
2002-2003: Tail Lamp
R81997-2001: Horn;
2002-2003: A/C
R91997: Park/Neutral Position;
1998: Door Mirror Defogger;
1999-2001: Left Headlamp;
2002-2003: Horn
R101997-2000: Theft Warning Horn;
2001: Fuel Pump (№1);
2002-2003: Left Headlamp
R111997-2000: Automatic Speed Control Device (ASCD) Hold;
2001: Transfer Shift High (4x4) or ATP (4x2);
2002-2003: Intelligent Cruise Control (ICC) Brake Hold
R121997: Rear Window Defogger;
1998: Power Socket;
1999-2000: Transfer Shift High (4x4);
2001: Tail Lamp;
2002-2003: Right Headlamp