Infiniti Q45 and Nissan President (1990-1996) Fuse Diagram

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Fuse box diagram (fuse layout), location, and assignment of fuses and relays Infiniti Q45 and Nissan President (G50) (1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996).

Infiniti Q45 (1990-1996)

Nissan President (1990-1996)

Checking and Replacing Fuses

Fuses, fusible links, and circuit breakers protect your vehicle’s electrical system from overloading. If any electrical equipment in your vehicle does not operate, the system may have been overloaded and blown a fuse or tripped a circuit breaker. Before you replace or repair any electrical parts, check the appropriate fuses or circuit breakers.

  1. Be sure the ignition switch is pushed to the OFF or LOCK position and the headlight switch is turned to OFF.
  2. Open the fuse box cover.
  3. Remove the fuse with the fuse puller.
  4. To check a fuse, look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse.
  5. If a new fuse also opens, have the electrical system checked and repaired by a Nissan dealer.

Notice

  • Never use a fuse of a higher or lower amperage rating than that specified on the fuse box cover. This could damage the electrical system or cause a fire.
  • Always disconnect the battery before servicing high current fuses.
  • Never replace a broken fuse with anything other than a new fuse. Use always an intact fuse of the same color.

Passenger Compartment

1990-1993

Passenger Compartment

 

1994-1996

Passenger Compartment

 

  1. Circuit Breaker (Power Door Lock, Power Seat)
  2. Combination Flasher Unit
  3. Accessory Relay №2
  4. Accessory Relay №1
  5. Ignition Relay №1
  6. Fuse Box
  7. Transmission Control Module (TCM)
  8. 1990-1993: Door Lock Timer №1
  9. 1990-1993: Power Window Relay
  10. Rear Window Defogger Relay
  11. Circuit Breaker (Power Window, Sunroof)
  12. 1990-1993: Time Control Unit
  13. Shift Lock Control Unit
  14. Headlamp Sensor
  15. Ignition Relay №2
  16. 1990-1994: Theft Warning Horn Relay
  17. 1990-1993: Automatic Drive Positioner Control Unit
  18. Stop Lamp Switch
  19. Automatic Speed Control Device (ASCD) Brake Switch
  20. Kickdown Switch
  21. Resistor (Alternator)
  22. Automatic Speed Control Device (ASCD) Control Unit
  23. Power Steering Control Unit
  24. Blower Motor Relay (High Speed)
  25. 1990-1993: Theft Warning Control Unit
  26. 1990-1993: ABS Control Unit or TCS Control Unit
  27. Audio Amplifier Relay
  28. Engine Control Module (ECM) Relay
  29. 1990-1994: Ignition Coil Relay
  30. 1990-1995: Theft Warning Horn Relay №2
  31. Engine Control Module (ECM)
  32. 1990-1993: Door Lock Relay
  33. Right Power Seat Control Unit
  34. Speed Sensor (Rear Extension)
  35. Air Bag Control Unit
  36. 1990-1993: Door Lock Timer №2
  37. 1990-1994: Tunnel Sensor and Safing Sensor
  38. Left Power Seat Control Unit
  39. 1990-1993: Power Window Amplifier
  40. 1994-1996: Fog Lamp Relay
  41. 1994-1996: Courtesy Lamp relay
  42. 1994-1996:Sunroof Relay
  43. 1994-1996: Multi-Remote Control Relay
  44. 1994-1996: Multi-Remote Control Check Relay
  45. 1994-1996: Body Control Module (BCM)
  46. 1996:Automatic Speed Control Device (ASCD) Hold Relay
  47. 1994-1996: Throttle Control Module (TCM)
  48. 1994-1996: Auto Air Conditioner Amplifier
  49. 1996: Theft Warning Relay №3

 

Passenger Compartment

  1. TCS Control Unit or ABS Control Unit
  2. 1990-1993: Rear Amplifier (Audio)
    1994-1996: Multi-Remote Control Unit
  3. Fuel Pump Control Module (FPCM)
  4. 1990-1994:High Capacity Actively Controlled Steering (HICAS) Control Unit
  5. 1990-1995: Active Suspension Control Unit
  6. Fuel Pump Relay
  7. Power Antenna Timer
  8. 1994-1996: CD Auto Changer
  9. 1990-1993: Courtesy Lamp Relay
  10. Stop and Tail Lamp Sensor

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Passenger Compartment Fuse Box Diagram

Passenger Compartment Fuse Box Diagram

№ACircuit Protected
1101994-1996: ABS/TCS
101990-1993: Inhibitor Switch (Back-Up Lamps), Transmission Control Module (TCM), TCS Control Unit, Theft Warning System, Parn/Neutral Position Switch
2101994-1996: Inhibitor Switch (Back-Up Lamps), Transmission Control Module (TCM), TCS Control Unit, Automatic Speed Control Device (ASCD) Control Unit, Theft Warning Relay №3, Parn/Neutral Position Switch
101990-1993: Air Conditioner, Daytime Light Control Unit
3151994-1996: Fuel Pump Relay, Fuel Pump Control Module (FPCM)
101990-1993: Receiver (Telephone), Handset
4151995-1996: Heated Oxygen Sensors, Air Fuel Ratio Sensors, Idle Air Control Valve Solenoid Valve, EGR Volume Control Valve
101994: High Capacity Actively Controlled Steering (HICAS) Control Unit
151990-1993: Blower Motor
5101994-1996: Air Bag Control Unit
151990-1993: Blower Motor
6201990-1993: Wiper Motor, Wiper Switch, Washer Motor, Wiper Amplifier, Time Control Unit
7151994-1996: Blower Motor
101990-1993: Engine Control Module (ECM), High Capacity Actively Controlled Steering (HICAS)
8151994-1996: Blower Motor
151990-1993: Fuel Pump Relay, Fuel Pump Control Module (FPCM)
910Radio, CD Auto Changer, Power Antenna Timer
1010Body Control Module (BCM), Door Mirror Control Unit, Diagnostic Information Display Control Unit, Automatic Drive Positioner
1120Rear Cigarette Lighter (Left and Right)
1215Cigarette Lighter
13101994-1996: Daytime Light Cancel Relay, Daytime Light Control Unit, Air Conditioner, Cooling Fan
151990-1993: Stop Lamp Switch, Stop and Tail Lamp Sensor, Diagnostic Information Display Control Unit, Automatic Speed Control Device (ASCD) Control Unit, Active Suspension, Power Steering System, High Capacity Actively Controlled Steering (HICAS) Control Unit
14201994-1996: Rear Window Defogger Relay
101990-1993: Radio, CD Auto Changer, Power Antenna Timer, Clock, Diagnostic Information Display Control Unit, Steering Receiver (Telephone), Power Seat, Key Hole Illumination, Air Bag Control Unit, TCS Control Unit, High Capacity Actively Controlled Steering (HICAS) Control Unit, Auto Air Conditioner Amplifier, Automatic Drive Positioner
1520Rear Window Defogger Relay
16101994-1996: Receiver (Telephone), Handset
201990-1993: Rear Window Defogger Relay
17201994-1996: Audio Amplifier Relay
151990-1993: Active Suspension
18151994-1996: Stop Lamp Switch, Stop and Tail Lamp Sensor, Diagnostic Information Display Control Unit, Automatic Speed Control Device (ASCD) Control Unit
201990-1993: Audio Amplifier Relay
19101994-1996: Body Control Module (BCM), Key Switch, Power Door Lock, Warning Chime, Automatic Drive Positioner
20101994-1996: Body Control Module (BCM), Power Seat, Power Window, Key Hole Illumination
101990-1993: Combination Meter, Data Link Connector, Diagnostic Information Display Control Unit, Warning Chime, Seat Belt, Automatic Drive Positioner, Rear Window Defogger Relay, Auto Anti-Dazzling Inside Mirror, Power Door Lock, Time Control Unit, Power Steering System, TCS
21101994-1996: Radio, CD Auto Changer, Power Antenna Timer, Clock, Diagnostic Information Display Control Unit, Steering Receiver (Telephone), Front Power Window (RH), Rear Power Window, Multi-Remote Control Unit, Key Hole Illumination, Air Conditioner
101990-1993: Hazard Switch (Combination Flasher Unit), Multi-Remote Control Relay, Multi-Remote Control Check Relay, Turn Signal Switch, Turn Indicator, Multi-Remote Control Unit
22101994-1996: Fuel Filler Lid Opener Actuator, Trunk Lid Opener Actuator, Multi-Remote Control Unit
101990-1993: Air Bag Control Unit
23101994-1995: Active Suspension
151990-1993: Shift Lock System, Key Switch
24101994-1996: 1996: Hazard Switch (Combination Flasher Unit)
101990-1993: Receiver (Telephone), Handset
25101994-1996: Combination Meter, Data Link Connector, Alternator Resistor, Diagnostic Information Display Control Unit, Body Control Module (BCM), Warning Chime, Seat Belt, Automatic Drive Positioner, Buckle Switch, Door Switch, Sunroof Relay, Rear Window Defogger Relay, Auto Anti-Dazzling Inside Mirror, Power Door Lock
101990-1993: Fuel Filler Lid Opener Actuator, Trunk Lid Opener Actuator
2610Combination Meter, Automatic Speed Control Device (ASCD) Main Switch, ASCD Hold Relay, ASCD Control Unit, Park/Neutral Position Relay, Engine Control Module (ECM)
27151990-1995: Active Suspension
28151994-1996: Heated Seat, Power Seat (LH/RH)
101990-1993: High Capacity Actively Controlled Steering (HICAS), Speedometer
29201994-1996: Wiper Motor, Wiper Switch, Washer Motor, Wiper Amplifier, Body Control Module (BCM)
101990-1993: ABS
30151995-1996: Injectors
101990-1993: Clearance Lamps, Side Marker Lamps, Tail Lamps, License Plate Lamps, Stop and Tail Lamp Sensor, Headlamp Relay Unit, Lighting Switch, Glove Box Lamp, Body Control Module (BCM), Warning Chime, Illumination Control Switch, Illumination: (Combination Meter, Ashtray, Automatic Speed Control Device (ASCD) Main Switch, Rear Window Defogger Switch, Cigarette Lighter, TCS Switch, Power Window Main Switch, 1ST Position Switch, Air Conditioner Switch Panel, Hazard Switch, Clock, Door Mirror Switch, Radio, Heated Seat Switch, Auto Anti-Dazzling Inside Mirror, Power Window Switch)
Relay
R1Accessory (№2)
R2Accessory (№1)
R3Ignition (№1)

Engine Compartment

1990-1993

Engine Compartment

1994-1996

Engine Compartment

  1. 1994-1996: Cooling Fan Relay
  2. Battery
  3. Headlamp Relay Unit
  4. Fuse Box
  5. Wiper Amplifier
  6. Starter Relay
  7. Wiper Motor
  8. ABS Actuator
  9. Automatic Speed Control Device (ASCD) Actuator
  10. ASCD Pump
  11. 1994-1996: Daytime Light Cancel Relay
  12. 1994-1996: TCS Relay
  13. 1994-1996: Daytime Light Control Unit
  14. 1990-1993: Dropping Resistor
  15. 1990-1995: Power Transistor Unit (Left)
  16. 1990-1992: Left Crash Zone Sensor
  17. 1990-1995: Power Transistor Unit (Right)
  18. 1990-1994: Center Crash Zone Sensor
    1992-1993: Cooling Fan Relay
  19. 1990-1992: Right Crash Zone Sensor

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Engine Compartment Fuse Box Diagram

Engine Compartment Fuse Box Diagram

№ACircuit Protected
3115Right Headlamp, Headlamp Relay Unit, Daytime Light Control Unit, Lighting Switch, Theft Warning Relay №1, Body Control Module (BCM)
3215Left Headlamp, Headlamp Relay Unit, Daytime Light Control Unit, Fog Lamp Relay, Lighting Switch, Theft Warning Relay №1
33151994-1996: Horn Relay, Automatic Speed Control Device (ASCD) Steering Switch, Body Control Module (BCM)
101990-1993: Horn Relay, Theft Warning System
3410Hazard Switch (Combination Flasher Unit), Multi-Remote Control Relay, Multi-Remote Control Check Relay, Turn Signal Switch, Turn Indicator, Multi-Remote Control Unit
35101996: Theft Warning Relay №2 (Horn), Automatic Speed Control Device (ASCD) Steering Switch, Body Control Module (BCM)
36101994-1996: Alternator
37101994-1996: Clearance Lamps, Side Marker Lamps, Tail Lamps, License Plate Lamps, Stop and Tail Lamp Sensor, Headlamp Relay Unit, Lighting Switch, Glove Box Lamp, Body Control Module (BCM), Warning Chime, Illumination Control Switch, Illumination: (Combination Meter, Ashtray, Automatic Speed Control Device (ASCD) Main Switch, Rear Window Defogger Switch, Cigarette Lighter, TCS Switch, Power Window Main Switch, 1ST Position Switch, Air Conditioner Switch Panel, Hazard Switch, Clock, Door Mirror Switch, Radio, Heated Seat Switch, Auto Anti-Dazzling Inside Mirror, Power Window Switch)
151990-1993: Headlamp Relay Unit
3810Interior Lamp, Trunk Room Lamp, Foot Lamps, Spot Lamps, Key Illumination, Courtesy Lamp Relay (Courtesy Lamps), Body Control Module (BCM), Illumination Control Switch, Door Switch, Combination Meter (Chime)
39151994-1996: Fog Lamp Relay
4010Theft Warning Relay №2 (Starter), Starter Relay, Daytime Light Cancel Relay, Daytime Light Control Unit, Parking Brake Switch, Engine Control Module (ECM)
41101994-1996: Receiver (Telephone)
10Alternator
4220TCS
4320ABS/TCS
A120Alternator, Fuse: "D", "G", "M", "36"
B- -
C100Fuse: "14", "15", "31", "32", "33", "34", "35", "37", "38"
D30Accessory Relay №2 (Fuse: "7", "8")
E30ABS/TCS
F25Circuit Breaker (Power Window, Sunroof), Circuit Breaker (Power Door Lock, Power Seat)
G75Accessory Relay №1 (Fuse: "10", "11", "12", "29"), Ignition Relay №1 (Fuse: "13", "16", "24", "25", "26"), Ignition Relay №2 (Fuse: "1", "2", "28"), Fuse: "E", "F", "J", "17", "18", "19", "20", "21", "22", "41", "42", "43"
H- -
I30Ignition Switch, Starter Relay, Inhibitor Switch, Fuel Pump Relay, Fuel Pump Control module (FPCM)
J30TCS
K25Engine Control Module (ECM), Transmission Control Module (TCM), Mass Air Flow Sensor, Data Link Connector, Camshaft Position Sensor (CMPS)
L251996: Body Control Module (BCM), Automatic Drive Positioner
251990-1994: Engine Control Module (ECM)
M301992-1996: Cooling Fan
251990-1991: Cooling Fan
Relay
R1Air Conditioner
R2Park/Neutral Position
R31990-1995: Automatic Speed Control Device (ASCD) Hold
1996: Theft Warning (№2)
R4Cooling Fan
R5Theft Warning (№1)
R6Horn

 

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