Fuse box diagram (fuse layout), location, and assignment of fuses and relays Honda Pilot (2003, 2004, 2005, 2006, 2007, 2008).
Checking and Replacing Fuses
If something electrical in your vehicle stops working, the first thing you should check for is a blown fuse. Determine from the chart, or the diagram on the fuse box lid, which fuse or fuses control that device. The diagram for the interior driver's side fuse box is on the kick panel below the fuse box. Check those fuses first, but check all the fuses before deciding that a blown fuse is the cause. Replace any blown fuses, and check if the device works.
- Turn the ignition switch to LOCK (0). Make sure the headlights and all other accessories are off.
- Remove the cover from the fuse box.
- Check each of the large fuses in the primary under-hood fuse box by looking through the top at the wire inside. Removing these fuses requires a Phillips-head screwdriver.
- Check the smaller fuses in the under-hood fuse box and all the fuses in the interior fuse boxes by pulling out each fuse with the fuse puller provided in the primary under-hood fuse box.
- Look for a burned wire inside the fuse. If it is burned, replace it with one of the spare fuses of the same rating or lower.
If you cannot drive the car without fixing the problem, and you do not have a spare fuse, take a fuse of the same rating or a lower rating from one of the other circuits. Make sure you can do without that circuit temporarily (such as the accessory socket or radio).
If you replace the blown fuse with a spare fuse that has a lower rating, it might blow out again. This does not indicate anything wrong. Replace the fuse with one of the correct rating as soon as you can. - If the replacement fuse of the same rating blows in a short time, there is probably a serious electrical problem in your car. Leave the blown fuse in that circuit and have your car checked by a qualified technician.
Notice
- Replacing a fuse with one that has a higher rating greatly increases the chances of damaging the electrical system. If you do not have a replacement fuse with the proper rating for the circuit, install one with a lower rating.
- Never replace a broken fuse with anything other than a new fuse.
Passenger Compartment
- Fuse Box №1
- Rear Accessory Power Socket Relay
- Interior Light Relay
- 2003-2005: Front Fog Light Relay
2006-2008: Low Beam Cut Relay - Daytime Running Light Control Unit
- 2006-2008: Windshield Washer Motor Relay
- Shift Lock Relay
- P Pin Relay
- PGM-FI Main Relay №1
- PGM-FI Main Relay №2 (Fuel Pump)
- Rear Blower Motor Relay
- 2003-2005: Dimmer Relay
2006-2008: Daytime Running Light Relay - Taillight Relay
- 4WD: Variable Torque Management 4WD System (VTM-4) Relay
2WD (2006-2008): Engine Mount Control Relay
- Immobilizer Control Unit-Receiver
- 2WD (2006-2008): Active Noise Control Unit
- Keyless Receiver Unit
- Air Fuel Ratio (A/F) SensorRelay
- Ignition Relay
- Throttle Actuator Control Module Relay
- 2006-2008: Rear Washer Motor Relay
- Fuse Box №2
- Supplemental Restraint System (SRS) Unit
- 2WD (2006-2008): Engine Mount Control Unit
Passenger Compartment Fuse Box №1
It located under the dashboard on the driver's side.
| № | A | Protected Component |
|---|---|---|
| 1 | 15 | Immobilizer Control Unit-Receiver, Powertrain Control Module (PCM), PGM-FI Main Relay №2 (Fuel Pump), Supplemental Restraint System (SRS) Unit |
| 2 | 10 | Supplemental Restraint System (SRS) Unit |
| 3 | 7.5 | A/C Compressor Clutch Relay, Blower Motor Relay, Climate Control Unit, Heater Control Panel, Powertrain Control Module (PCM), Recirculation Control Motor, Rear Blower Motor Relay, Near Mode Motor, Rear Window Defogger Relay, Radiator Fan Control Module (2003-2005) |
| 4 | 7.5 | AC Inverter Unit (2006-2008), Power Mirror Actuator, Power Mirror Deforgger, ABS Modulator-Control Unit (2003-2005), Variable Torque Management 4WD System (VTM-4) (2003-2005) |
| 5 | 10 | Daytime Running Light Control Unit |
| 6 | 15 | Alternator, Cruise Control Main Switch Indicator Light, Evaporative Emission Control (EVAP) Canister Purge Valve, Gauge Control Module, Powertrain Control Module (PCM), VSA Modulator-Control Unit (2006-2008), Electrical Load Detector (ELD) Unit (2003-2005), Secondary Heated Oxygen Sensors (2003-2005), Radiator Fan Control Module (2003-2005), Variable Torque Management 4WD System (VTM-4) (2003-2005), VTM-4 Relay (2003-2005) |
| 7 | 7.5 | Electrical Compass Mirror (2006-2008), Occupant Detection System (ODS) Unit Passenger's Cutoff Indicator, Automatic Dimming Inside Mirror (2006-2008), Rear Window Intermittent Wiper Relay, Rear Window Wiper/washer Switch, Rear Window Wiper Motor, Front Fog Light (2006-2008) |
| 8 | 7.5 | Accessory Power Socket Relay, Active Noise Control Rear Microphone (2WD) (2006-2008), Active Noise Control Unit (2WD) (2006-2008), Gauge Control Module, Optional Keyless Connector (2006-2008), Rear Accessory Power Socket Relay, Shift Lock Relay |
| 9 | 10 | Active Noise Control Unit (2WD) (2006-2008), A/T Reverse Relay, Back-up Lights, Brake Light Failure Sensor, Gauge Control Module, Keyless Receiver Unit, Navigation Unit (2006-2008), Automatic Dimming Inside Mirror (2006-2008), Optional Security Connector (2006-2008), Passenger's Multiplex Control Unit, Shift Lock Solenoid (2006-2008), Variable Torque Management 4WD System (VTM-4) Lock Switch Indicator Light (4WD), Variable Torque Management 4WD System (VTM-4) Control Unit, Driver's Multiplex Control Unit |
| 10 | 7.5 | Turn Signal/Hazard Relay |
| 11 | 7.5 | 2006-2008: Variable Torque Management 4WD System (VTM-4) Control Unit |
| 15 | 2003-2005: Ignition Coils | |
| 12 | 30 | Rear Window Washer Motor Relay, Windshield Wiper Motor, Windshield Intermittent Wiper Circuit, Windshield Washer Motor, Windshield Intermittent Wiper Relay |
| 13 | 7.5 | PGM-FI Main Relay, Powertrain Control Module (PCM) |
| | ||
| R1 | Starter Cut | |
| R2 | Reverse | |
| R3 | Turn Signal/Hazard | |
Passenger Compartment Fuse Box №2
It is located under the dashboard on the passenger's side. To open, pull the right edge of the cover.
| № | A | Protected Component |
|---|---|---|
| 1 | 20 | Power Window Control Unit |
| 2 | 20 | Driver's Power Seat Front Up-Down Motor (EX-L), Driver's Power Seat Slide Motor (EX-L) Driver's Power Seat Rear Up-Down Motor (Except EX-L), Driver's Power Seat Recline Motor (Expert EX-L) |
| 3 | 20 | Front Seat Heaters |
| 4 | 20 | Driver's Power Seat Rear Up-Down Motor (EX-L), Driver's Power Seat Recline Motor (EX-L), Driver's Power Seat Rear Up-Down Motor (Except EX-L), Driver's Power Seat Slide Motor (Except EX-L) |
| 5 | - | - |
| 6 | 10 | Daytime Running Lights Control Units |
| 7 | 20 | Left Rear Window Motor, Power Window Master Switch, Power Window Control Unit |
| 8 | 20 | Front Passenger's Window Motor |
| 9 | 15 | Audio Unit, DVD Player Unit (with Rear Entertainment System), Console Accessory Power Socket, Front Accessory Power Socket, Navigation Unit, Navigation Display Unit, Cigarette Lighter Connector |
| 10 | 15 | Audio Unit Light, Auxiliary Jack Assembly Light (with Rear Entertainment System), Cruise Control Main Switch Light, Climate Control Unit Light, DVD Player Unit (with Rear Entertainment System), Driver's Multiplex Control Unit, Front Parking Lights, Front Side Marker Lights, Front Console Light, Front Door Lock Switches Light, Gauge Control Module Lights, Glove Box Light, Hazard Warning Switch Light, Heater Control Panel Lights, Interior Lights Switch Light, License Plate Lights, Moonroof Switch Light, Navigation Display Unit, Navigation Unit, Cigarette Lighter Connector, Fog Light Connector (driver's Under-dash Fuse/relay Box), Power Mirror Switch Light, Rear Heater-A/C Control Unit Light, Rear Controller and Screen (with Rear Entertainment System), Roof Console Light, Seat Heater Switches Light, Taillight Relay, Taillights, Trailer Lighting Connector, VTM-4 Locks Switch Light |
| 11 | 10 | Front Individual Map Lights, Front Door Courtesy Lights, HomeLink, Interior Lights Relay, Navigation Display Unit, Navigation Unit, Rear Individual Map Lights, Tailgate Light, Vanity Mirror Lights |
| 12 | 20 | Passenger's Multiplex Control Unit |
| 13 | 7.5 | Driver's Multiplex Control Unit, Door Multiplex Control Unit, Gauge Control Module, Immobilizer Control Unit-Receiver, Immobilizer Indicator, Keyless Receiver Unit, Security Connector, Security Indicator, Passenger's Multiplex Control Unit |
| 14 | 7.5 | 2006-2008: Moonroof Close Relay, Moonroof Open Relay |
| 15 | 20 | 2006-2008: Moonroof Close Relay, Moonroof Motor, Moonroof Open Relay |
| 16 | 20 | Right Rear Window Motor |
| | ||
| 7.5 | Radiator Fan Relay | |
| | ||
| R1 | Power Window | |
| R2 | Accessory Power Socket | |
| R3 | Rear Window Defogger | |
Engine Compartment
- Powertrain Control Module (PCM)
- Fuse Box №1
- Fuse Box №2
- ABS or VSA Modulator-Control Unit
- Relay Box
Fuse Box №1 Diagram
The primary under-hood fuse box is on the passenger's side. To open it, push the tabs as shown.
| № | A | Protected Component |
|---|---|---|
| 41 | 120 | Battery, Power Distribution |
| 42 | 50 | Ignition Switch, Optional Keyless Connector |
| 43 | 20 | Combination Light Switch, Daytime Running Lights Control Unit, Right Headlights |
| 44 | - | - |
| 45 | 20 | Combination Light Switch, Daytime Running Lights Control Unit, Left Headlights, High Beam Indicator Light, Fog Light (2006-2008) |
| 46 | 15 | Data Link Connector (DLC), PGM-FI Main Relay |
| 47 | 20 | Breake Lights, Drive's Multiplex Control Unit, High Mount Brake Light, Horn Relay, Horns, Ignition Key Light, Key Interlock Solenoid, Powertrin Control Module (PCM), Trailer Lighting Connector |
| 48 | 20 | Audio Unit, DVD Player Unit (rear Entertainment System), Rear Controller And Screen (rear Entertainment System) |
| 49 | 15 | Hazard Warning Lights |
| 50 | 20 | 2003-2005: Trailer Lighting Connector |
| 51 | 40 | Power Window Relay, Fuse (Passenger Compartment Fuse Box №2): № 1 |
| 52 | 40 | Fuses (Passenger Compartment Fuse Box №2): №2, 3, 4, 6 |
| 53 | 30 | Noise Condenser, Rear Window Defogger |
| 54 | 40 | Fuse (Passenger Compartment Fuse Box №2): №9, 10, 11, 12, 13 |
| 55 | 30 | Rear Blower Motor |
| 56 | 40 | Blower Motor |
| 57 | 30 | Radiator Fan Motor |
| 58 | 30 | A/C Condenser Fan Motor |
| 59 | 7.5 | A/C Compressor Clutch |
| • | - | Spare Fuse |
| | ||
| R1 | Headlight №1 (Right) | |
| R2 | Headlight №2 (Left) | |
| R3 | Horn | |
| R4 | A/C Condenser Fan | |
| R5 | Blower Motor | |
| R6 | Radiator Fan | |
| R7 | A/C Compressor Clutch | |
Fuse Box №2 Diagram
| № | A | Protected Component |
|---|---|---|
| 1 | 20 | AC Inverter Unit |
| 2 | 40 | VSA Modulator-Control Unit |
| 3 | 30 | VSA Modulator-Control Unit |
| 4 | 20 | Variable Torque Management 4WD System (VTM-4) Control Unit |
| 5 | 10 | 2WD: Engine Mount Control Unit |
| 6 | 15 | Console Accessory Power Socket, Rear Accessory Power Socket |
| 7 | 15 | Powertrain Control Module (PCM) |
| 8 | 15 | Ignition Coils |
| 9 | 15 | Air Fuel Ratio (A/F) Sensors (Bank 1, Bank 2), Secondary Heated Oxygen Sensors (Bank 1, Bank 2), Electrical Load Detector (ELD) Unit |
| 10 | 7.5 | Tire Pressure Monitoring System (TPMS) Control Unit |
| 11 | 20 | Front Fog Light, Gauge Control Module, Fog Light Connector, Fog Light Switch Connector |
Relay Box
| № | Relay |
|---|---|
| R1 | Fan Control |
| R2 | Rear Window Intermittent Wiper |
| R3 | Windshield Intermittent Wiper |
| R4 | Seat Heater |
Trailer Fuses
If a trailer light is burned out, check if these fuses are blown when you replace the light bulbs:
- Primary under-hood fuse box fuses 5, 7, and 24
- Interior driver's side fuse box: 10
- Interior passenger's side fuse box: 10
If those fuses are OK, but the trailer lights still do not work, there are two blown 7.5 amp fuses in the trailer hitch wiring. To access the 7.5 amp fuses:
- Open the tailgate and remove the cargo floor lid.
- Pull out the bottom of the tailgate rubber seal.
- Remove the rear trim panel by pulling up on the inside edge of the rear trim panel, and unhooking the four clips and tabs.
- After replacing fuses, and reinstall the rear trim panel in the reverse order of removal.
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Source: https://fusecheck.com/honda/honda-pilot-2003-2008-fuse-diagram
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