Fuse and relay box diagrams – Infiniti Q45
Applies to vehicles manufactured over the years:
1990, 1991, 1992, 1993, 1994, 1995, 1996.
Passenger compartment
1990-1993
1994-1996
- Circuit breaker (door lock, electrical outlet )
- Flash drive connected
- Accessory relay №2
- Accessory relay №1
- Ignition relay №1
- Fuse box
- Transmission Control Module (TCM)
- 1990-1993: Door close timer №1
- 1990-1993: Electric window relay
- Rear Window Defroster Relay
- Automatic switch (power window, sunroof)
- 1990-1993: Time control unit
- Shift closing control unit
- Headlight sensor
- Ignition relay №2
- 1990-1994: Relay for audible theft warning signal
- 1990-1993: Automatic drive positioner control unit
- Stop lamp switch
- Automatic Speed Control Device (ASCD) Brake Switch
- Ejector switch
- Resistor (Alternator)
- Automatic Speed Control Unit (ASCD)
- Power steering control unit
- Blower motor relay (high speed)
- 1990-1993: Theft warning control unit
- 1990-1993: ABS control unit or TCS control unit
- Audio amplifier relay
- Engine control module (ECM) relay
- 1990-1994: Ignition Coil Relay
- 1990-1995: Theft Warning Beeper Relay #2
- Engine Control Module (ECM)
- 1990-1993: Door Lock
- Electric right seat
- Speed sensor (rear extension)
- Airbag control unit
- 1990-1993: Door closing timer №2
- 1990-1994: Tunnel sensor and safety sensor
- Left-hand electric seat
- 1990-1993: Electric Window Lifter
- 1994-1996: Fog light relay
- 1994-1996: Courtesy light relay lamp
- 1994-1996: Roof rack
- 1994-1996: Remote Control Multifunction Relay
- 1994-1996: Remote Control Multifunction Relay
- 1994-1996: Body Control Module (BCM)
- 1996: Automatic speed control device (ASCD) holding relay
- 1994-1996: Acceleration control module (TCM)
- 1994-1996: Automotive air conditioning intensification
- 1996: Theft warning relay no. 3
- TCS control unit or ABS control unit
- 1990-1993: rear amplifier (audio)
1994-1996: Multi-Remote Control Unit - Fuel pump control module (FPCM)
- 1990-1994: High performance active steering control unit (HICAS).
- 1990-1995: Active suspension control unit
- Fuel pump relay
- Antenna Timer Switch
- 1994-1996: Automatic CD Switch
- 1990-1993: Courtesy light relay
- Stop and tail light sensor
Diagram of the fuse box in the passenger compartment
| Number | Amps [A] | Description |
|---|---|---|
| 1 | 10 | 1994-1996: ABS/TCS |
| 10 | 1990-1993: brake switch (reversing lights), transmission control module (TCM), TCS control unit, theft warning system, parn/neutral position switch | |
| 2 | 10 | 1994-1996: Inhibit switch (reversing lamps), transmission control module (TCM), TCS control unit, automatic speed control device (ASCD) control unit, theft warning relay 3, parn/neutral position switch |
| 10 | 1990-1993: Air conditioner, daylight control unit | |
| 3 | 15 | 1994-1996: Fuel pump relay, fuel pump control module (FPCM) |
| 10 | 1990-1993: Receiver (telephone), handset | |
| 4 | 15 | 1995-1996: Heated oxygen sensors, air/fuel ratio sensors, idle control solenoid valve, EGR volume control valve |
| 10 | 1994: High-performance active steering control unit (HICAS) | |
| 15 | 1990-1993: Fan Motor | |
| 5 | 10 | 1994-1996: Airbag control unit |
| 15 | 1990-1993: Fan Motor | |
| 6 | 20 | 1990-1993: Windshield wiper motor, windshield wiper switch, windshield washer motor, timing control unit |
| 7 | 15 | 1994-1996: Fan Motor |
| 10 | 1990-1993: Engine control module (ECM), High performance active steering system (HICAS) | |
| 8 | 15 | 1994-1996: Fan Motor |
| 15 | 1990-1993: Fuel pump relay, fuel pump control module (FPCM) | |
| 9 | 10 | Radio, automatic CD changer, power antenna timer |
| 10 | 10 | Body control module (BCM), door mirror control unit, diagnostic information display control unit, automatic driving positioner |
| 11 | 20 | Rear cigarette lighter (left and right) |
| 12 | 15 | Lighter |
| 13 | 10 | 1994-1996: Daylight cancellation relay, daylight control unit, air conditioning, cooling fan |
| 15 | 1990-1993: Stop light switch, stop and tail light sensor, diagnostic information display control unit, automatic speed control device (ASCD) control unit, active suspension, power steering, high performance active steering control unit (HICAS) | |
| 14 | 20 | 1994-1996: Rear window defroster relay |
| 10 | 1990-1993: Radio, automatic CD changer, power antenna timer, clock, diagnostic information display control unit, steering receiver (phone), power seat, keyhole lighting, airbag control unit, TCS control unit, high capacity active steering control unit ( HICAS), automatic air conditioning amplifier, automatic drive positioner | |
| 15 | 20 | Rear window demist relay |
| 16 | 10 | 1994-1996: Receiver (telephone), handset |
| 20 | 1990-1993: Rear window defroster relay | |
| 17 | 20 | 1994-1996: Audio amplifier relay |
| 15 | 1990-1993: Active Suspension | |
| 18 | 15 | 1994-1996: Stop light switch, stop and tail light sensor, diagnostic information display control unit, automatic speed control device (ASCD) control unit |
| 20 | 1990-1993: Audio amplifier relay | |
| 19 | 10 | 1994-1996: Body control module (BCM), key switch, door lock, warning signal, automatic drive positioner |
| 20 | 10 | 1994-1996: Body Control Module (BCM), electric seat, electric window, keyhole lighting |
| 10 | 1990-1993: Combination meter, data link connector, diagnostic information display control unit, audible warning, seat belt, automatic driving positioner, rear window demister relay, automatic anti-spark interior mirror, electric door lock, time control unit, power steering, TCS | |
| 21 | 10 | 1994-1996: Radio, CD charger, electric antenna timer, clock, diagnostic information display control unit, direction receiver (telephone), front power window (RH), rear power window, multifunction remote control unit, lock light, air conditioning |
| 10 | 1990-1993: Emergency stop (combined flash module), multifunction relay, multifunction remote control relay, indicator switch, indicator, multifunction control unit | |
| 22 | 10 | 1994-1996: Fuel tank lid opening actuator, trunk lid opening actuator, multiple remote control unit |
| 10 | 1990-1993: Airbag control unit | |
| 23 | 10 | 1994-1995: Active Suspension |
| 15 | 1990-1993: Shift lock system, key switch | |
| 24 | 10 | 1994-1996: 1996: Hazard switch (combined flasher module) |
| 10 | 1990-1993: Receiver (telephone), handset | |
| 25 | 10 | 1994-1996: Combination gauge, data link connector, alternator resistance, diagnostic information display control unit, body control module (BCM), warning signal, seat belt, automatic drive positioner, buckle switch, door switch, roof relay, rear window demisting relay, automatic interior mirror to prevent glare, electric door closing device |
| 10 | 1990-1993: Fuel tank lid opening actuator, trunk lid opening actuator | |
| 26 | 10 | Combination meter, automatic speed control master switch (ASCD), ASCD hold relay, ASCD control unit, neutral/parking position relay, engine control module (ECM) |
| 27 | 15 | 1990-1995: Active Suspension |
| 28 | 15 | 1994-1996: Heated seat, electrically adjustable seat (left/right) |
| 10 | 1990-1993: High performance active steering system (HICAS), speedometer | |
| 29 | 20 | 1994-1996: Wiper motor, wiper switch, washer motor, body control module (BCM) |
| 10 | 1990-1993: ABS | |
| 30 | 15 | 1995-1996: Injectors |
| 10 | 1990-1993: Marker lamps, side marker lamps, rear lamps, license plate lamps, stop and tail light sensor, headlight relay module, lighting switch, glove box lamp, body control module (BCM), audible warning, lighting control switch, lighting : (Combination meter, ashtray, automatic speed control device (ASCD) Main switch, rear window defroster switch, cigarette lighter, TCS switch, windshield main switch, first position switch, air conditioning switch panel, hazard switch, clock, outside mirror switch, radio, heated seat switch, automatic anti-spark interior mirror, electric window switch) | |
| R1 | Accessories (№2) | |
| R2 | Accessories (№1) | |
| R3 | Ignition (№1) | |
Engine compartment
1990-1993
1994-1996
- 1994-1996: cooling fan relay
- Battery
- Headlight relay module
- Fuse Box
- Windshield Wiper Amplifier
- Starter Relay
- Wiper Motor
- ABS actuator
- Actuator for automatic speed control device (ASCD)
- ASCD pump
- 1994-1996: Daylight Canceling Relay
- 1994-1996: TCS Relay
- 1994-1996: Daylight Control Unit
- 1990-1993: Dropout resistor
- 1990-1995: Power transistor assembly (left)
- 1990-1992: Bump zone sensor left
- 1990-1995: Power transistor module (right)
- 1990-1994: Center collision zone sensor
1992-1993: Cooling Fan Relay - 1990-1992: Right Collision Zone Sensor
Diagram of the fuse box in the engine compartment
| Number | Amps [A] | Description |
|---|---|---|
| 31 | 15 | Right headlight, headlight relay module, daytime running light control module, lighting switch, theft warning relay 1, body control module (BCM) |
| 32 | 15 | Left headlight, headlight relay module, daytime running light control module, fog light relay, lighting switch, theft warning relay 1 |
| 33 | 15 | 1994-1996: horn relay, automatic speed control switch (ASCD), body control module (BCM) |
| 10 | 1990-1993: Horn relay, theft warning system | |
| 34 | 10 | Hazard switch (combination flasher), multifunction remote control relay, multifunction remote control relay, indicator switch, indicator, multifunction control unit |
| 35 | 10 | 1996: theft warning relay 2 (horn), automatic speed control switch (ASCD), body control module (BCM) |
| 36 | 10 | 1994-1996: Alternator |
| 37 | 10 | 1994-1996: Marker lamps, side marker lamps, rear lamps, license plate lamps, stop and tail light sensor, headlight relay module, lighting switch, glove box lamp, body control module (BCM), audible warning, lighting control switch, lighting : (Combination meter, ashtray, automatic speed control device (ASCD) Main switch, rear window defroster switch, cigarette lighter, TCS switch, windshield main switch, first position switch, air conditioning switch panel, hazard switch, clock, outside mirror switch, radio, heated seat switch, automatic anti-spark interior mirror, electric window switch) |
| 15 | 1990-1993: Headlight Relay Module | |
| 38 | 10 | Interior lamp, trunk lamp, foot lamps, spot lamps, key light, courtesy lamp relay (courtesy lamps), body control module (BCM), light control switch, door switch, combination meter (buzzer) |
| 39 | 15 | 1994-1996: Fog Light Relay |
| 40 | 10 | Theft warning relay 2 (starter), starter relay, daytime running light cancellation relay, daytime running light control unit, parking brake switch, engine control module (ECM) |
| 41 | 10 | 1994-1996: Receiver (telephone) |
| 10 | Alternator | |
| 42 | 20 | TCS |
| 43 | 20 | ABS/TCS |
| A | 120 | Alternator, Fuse: “D”, “G”, “M”, “36”. |
| B | – | – |
| C | 100 | Fuses: “14”, “15”, “31”, “32”, “33”, “34”, “35”, “37”, “38” |
| D | 30 | Accessory relay 2 (Fuses: “7”, “8”) |
| E | 30 | ABS/TCS |
| F | 25 | Automatic switch (electric window, sunroof), automatic switch (door lock, electric seat) |
| G | 75 | Accessory relay 1 (Fuses: “10”, “11”, “12”, “29”), Ignition relay 1 (Fuses: “13”, “16”, “24”, “25”, “26”), Ignition relay 2 (Fuses: “1”, “2”, “28”), Fuses: “E”, “F”, “J”, “17”, “18”, “19”, “20”, “21”, “22”, “41”, “42”, “43” |
| H | – | – |
| I | 30 | Ignition switch, starter relay, inhibitor switch, fuel pump relay, fuel pump control module (FPCM) |
| J | 30 | TCS |
| K | 25 | Engine control module (ECM), transmission control module (TCM), mass airflow sensor, data link connector, camshaft position sensor (CMPS) |
| L | 25 | 1996: Body control module (BCM), automatic drive positioner |
| 25 | 1990-1994: Engine Control Module (ECM) | |
| M | 30 | 1992-1996: Cooling Fan |
| 25 | 1990-1991: Cooling Fan | |
| R1 | Air Conditioning | |
| R2 | Park/neutral position | |
| R3 | 1990-1995: Automatic speed control device (ASCD) maintenance | |
| 1996: Theft warning (№2) | ||
| R4 | Cooling Fan | |
| R5 | Theft warning (№1) | |
| R6 | Horn | |
