Table of Contents
Most electrical circuits in this vehicle are protected by fuses, while high-current loads are switched via relays. Protective elements are housed in power distribution centers located in the engine compartment, passenger compartment, and luggage compartment.
Applies to 2nd-generation Honda Pilot (Mid-size SUV platform; chassis codes YF3 / YF4) models: 2008, 2009, 2010, 2011, 2012, 2013, 2014, and 2015.
Passenger Compartment
The under-dash fuse box is located on the driver's side (1). Legend: 2 – Instrument cluster control module; 3, 4, 5, 6 – Heater and power outlet relays.
Under-Dash Fuse Box
Access panel location.
Under-dash fuse box component view.
| Diagram | ||
|---|---|---|
|
||
| No. | Protected Circuit | Rating (A) |
| 1 | VTM-4 4WD system | 7.5 |
| 2 | Fuel pump | 15 |
| 3 | ACG (Alternator) | 10 |
| 4 | VSA (Vehicle Stability Assist) | 7.5 |
| 5 | Seat heaters | 15 |
| 6 | Not used | — |
| 7 | Automatic lighting control system | 10 |
| 8 | 7.5 | |
| 9 | ODS (Occupant Detection System) | 7.5 |
| 10 | Instrument cluster | 7.5 |
| 11 | SRS (Supplemental Restraint System) | 10 |
| 12 | Right DRL (Daytime Running Light) | 10 |
| 13 | Left DRL (Daytime Running Light) | 10 |
| 14 | Interior lights | 7.5 |
| 15 | Small lights (Exterior position lamps) | 15 |
| 16 | Right low-beam headlight | 15 |
| 17 | Left low-beam headlight | 15 |
| 18 | DRL main circuit | 20 |
| 19 | Small lights main fuse | 15 |
| 20 |
|
7.5 |
| 21 | Low-beam main circuit | 20 |
| 22 | VBSOL2 | 7.5 |
| 23 | STRLD | 7.5 |
| 24 | Not used | — |
| 25 | — | |
| 26 | Driver power window master switch | 20 |
| 27 | HAC OP | 20 |
| 28 | Power moonroof | 20 |
| 29 | Power door locks | 20 |
| 30 | Front passenger power window switch | 20 |
| 31 | Not used | 30 |
| 32 | Rear right power window switch | 20 |
| 33 | Rear left power window switch | 20 |
| 34 | Not used | — |
| 35 | Cruise control | 10 |
| 36 | Power mirrors, AC inverter, A/C compressor clutch relay, auto-dimming rearview mirror / display monitor, HVAC control unit, front seat heater relay, radiator fan control relay (diode), front heater relay, second-row seat heater relay, accessory socket, power window control unit ('09–'11), radiator fan relay (diode), rear heater relay, rear climate control unit, rear window defogger relay, trailer harness relay, door MICU ('12–'15) | 10 |
| 37 | Daytime Running Lights (DRL) | 7.5 |
| 38 | Windshield wipers | 30 |
|
||
| R1 | Power windows relay | |
| R2 | Fuel pump relay | |
| R3 | Starter relay | |
Auxiliary Passenger Compartment Relays
Additional relays located in the passenger compartment.
|
|
| No. | Description |
| 1 | '11–'15: Tailgate glass hatch relay |
| 2 | '09–'10: Tailgate glass hatch relay |
| 3 | Parking light and backup light control module |
| 4 | Automatic lighting control module |
| 5 | VTM-4 4WD system relay |
| 6 | Front power socket relay |
| 7 | Display control unit (Audio / Navigation / Climate Control) |
| 8 | Active Control Engine Mount (ACM) module |
| 9 | High-beam relay |
| 10 | Fog light relay |
| 11 | Cargo area power socket relay |
| 12 | Audio control module |
| 13 | Climate control module (HVAC) |
| 14 | Navigation control panel |
| 15 | Ignition relay (ACC Cut) |
| 16 | Ignition relay (IG2) |
| 17 | Starter relay No. 2 |
|
|
| 1 | Immobilizer control unit |
| 2 | USB interface control module |
| 3 | SRS (Airbag) control unit |
| 4 | Audio system amplifier |
| 5 | AC inverter control module |
| 6 | HandsFreeLink (Bluetooth) control module |
Engine Compartment
Component locations:
- Powertrain Control Module (PCM);
- Under-hood main fuse box;
- Vehicle Stability Assist (VSA) modulator-control unit;
- Under-hood auxiliary fuse box.
Under-Hood Main Fuse Box
Located adjacent to the windshield washer fluid reservoir.
General view.
| Diagram | |
|---|---|
|
|
| No. | Protected Circuit |
| 1 | Not used |
| 2 | Option Main |
| IG Power | |
| 3 | Not used |
| 4 | Headlight main circuit |
| Power windows main circuit | |
| 5 | Not used |
| 6 | A/C condenser fan |
| 7 | Radiator cooling fans |
| 8 | Rear window defogger |
| 9 | Blower motor |
| 10 | Front fog lights |
| 11 | Sub-cooling fan |
| 12 | Active Control Engine Mount (ACM) |
| 13 | Front passenger seat recline motor |
| 14 | Front passenger seat slide motor |
| 15 | Engine Oil Pressure (EOP) sensor |
| 16 | High-beam headlight circuit |
| 17 | Audio system |
| 18 | Ignition coils |
| 19 | Main battery fuse |
| 20 | A/C compressor clutch |
| 21 | Drive-By-Wire (DBW) system |
| 22 | Interior lights |
| 23 | Backup lights |
| 24 | Main cooling fan diode |
| 25 | Sub-cooling fan diode |
|
|
| R1 | Radiator fan control relay |
| R2 | Active Control Engine Mount (ACM) relay |
| R3 | PGM-FI sub-relay |
| R4 | Ignition coil relay |
| R5 | A/C condenser fan relay |
| R6 | Front heater blower relay |
| R7 | Rear window defogger relay |
| R8 | A/C compressor clutch relay |
| R9 | Radiator cooling fan relay |
| R10 | ETCS (Electronic Throttle Control System) relay |
| R11 | PGM-FI main relay #1 |
Under-Hood Auxiliary Fuse Box
Located adjacent to the battery.
General view.
| Diagram | ||
|---|---|---|
|
||
| No. | Protected Circuit | Rating (A) |
| 1 | Power tailgate motor | 40 |
| 2 | VTM-4 4WD system | 20 |
| 3 | Trailer harness main circuit | 30 |
| 4 | VSA fail-safe relay | 40 |
| 5 | Rear blower motor | 30 |
| 6 | VSA (Vehicle Stability Assist) modulator motor | 30 |
| 7 | Hazard warning lights | 15 |
| 8 | Power tailgate latch motor | 20 |
| 9 | Driver power seat recline motor | 20 |
| 10 | Driver power seat slide motor | 20 |
| 11 | Horns, brake lights | 20 |
| 12 | Rear console accessory power socket | 15 |
| 13 | Rear window wiper motor | 10 |
| 14 | Electric trailer brake controller | 20 |
| 15 | 115V AC inverter | 20 |
| 16 | Center console accessory power socket | 15 |
| 17 | Trailer battery charge circuit | 20 |
| 18 |
|
15 |
| 19 | Cargo area accessory power socket | 15 |
| 20 | Tailgate glass hatch motor | 20 |
| 21 | Second-row seat heaters | 15 |
| 22 | Headlight washer motor | 30 |
|
||
| R1 | Rear window wiper relay | |
| R2 | ||
| R3 | Not used | |
Luggage Compartment
Component locations: 1 – Power tailgate control unit; 2 – Electronic compass module; 3 – Power tailgate drive unit; 4 – Trailer lighting control module; 5 – VTM-4 4WD control module; 6 – Rear fuse box.
| Diagram | ||
|---|---|---|
|
||
| No. | Protected Circuit | Rating (A) |
| 1 | Trailer turn signals / hazard lights | 7.5 |
| 2 | Trailer backup lights | 7.5 |
| 3 | Trailer brake lights | 7.5 |
| 4 | Trailer taillights / running lights | 20 |
| Relays | ||
| R1 | Trailer switched ignition relay | |
| R2 | Trailer lighting relay | |