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Under-Dash Fuse/Relay Box

Fig 1: Under-Dash Fuse/Relay Box Component Location
GHH451881Courtesy of HONDA, U.S.A., INC.
Under-Dash Fuse/Relay Box Legend

Fuse Number Amps Component(s) or Circuit(s) Protected Feature
C1 20 A Power window master switch  
C2 20 A In-bed trunk lid release actuator relay circuit (built into the under-dash fuse/relay box),

In-bed trunk lid release actuator (via in-bed trunk lid release actuator relay circuit (built into the under-dash fuse/relay box)),

No. C19 and No. C20 fuses in the under-dash fuse/relay box (via power door lock relay circuit (UNLOCK) (built into the under-dash fuse/relay box)),

No. C33, No. C34, and No. C41 fuses in the under-dash fuse/relay box (via power door lock relay circuit (LOCK) (built into the under-dash fuse/relay box)),

No. C35 fuse in the under-dash fuse/relay box (via power door lock relay circuit (DR UNLOCK) (built into the under-dash fuse/relay box)),

Power door lock relay circuit (DR UNLOCK) (built into the under-dash fuse/relay box),

Power door lock relay circuit (LOCK) (built into the under-dash fuse/relay box),

Power door lock relay circuit (UNLOCK) (built into the under-dash fuse/relay box)

 
C3 7.5 A Electric steering lock*,

Engine start/stop switch,

Keyless access/TPMS control unit

*: With electric steering lock
C4 20 A Front passenger's power window switch  
C5 20 A Front accessory power socket (via front accessory power socket relay)  
C6 20 A Fuel pump (via PGM-FI main relay 2),

PCM

 
C7 15 A Active control engine mount (ACM) control relay, DC-DC converter, DC-DC converter IG1 relay 2, EVAP canister purge valve, Engine mount control unit, MAF sensor, PCM (via brake pedal position switch), PCM, TCM  
C8 7.5 A Windshield wiper high/low relay circuit (built into the relay circuit board),

Windshield wiper intermittent relay circuit (built into the relay circuit board)

 
C9 7.5 A Electric steering lock*,

Keyless access/TPMS control unit

*: With electric steering lock
C10 10 A SRS unit  
C11 20 A Left rear power window motor (via left rear power window switch)  
C12* 20 A Back power window close relay,

Back power window motor (via back power window close relay),

Back power window motor (via back power window open relay),

Back power window open relay

*: With back power window
C13 20 A Right rear power window motor (via right rear power window switch)  
C14 20 A Fuel fill door opener solenoid relay,

Fuel fill door opener solenoid (via fuel fill door opener solenoid relay),

Moonroof motor-control unit

 
C15 20 A Power seat control unit* 1,

Rear up-down motor (via driver's power seat adjustment switch)* 2,

Recline motor (via driver's power seat adjustment switch)* 2

*1: With DPMS
*2: With power seat and without DPMS
C16 7.5 A MICU  
C17 20 A Driver's seat-back blower motor* 1,

Driver's seat cushion blower motor* 1,

Front seat heater control unit (via front seat heater relay)* 2, Passenger's seat-back blower motor* 1,

Passenger's seat cushion blower motor* 1,

Ventilated seat control unit (via ventilated seat relay)* 1

*1: With ventilated seat
*2: Without ventilated seat
C18 7.5 A Front individual map lights (via interior lights cut relay),

Interior lights cut relay,

Rear individual map lights (via interior lights cut relay),

Roof console module (via interior lights cut relay),

Vanity mirror lights (via interior lights cut relay)

 
C19 10 A Left rear door lock actuator  
C20 10 A Front passenger's door lock actuator,

Right rear door lock actuator

 
C21 7.5 A Front parking lights/daytime running lights/front side marker lights*,

MICU

*: With LED daytime running light
C22 7.5 A MICU  
C23 7.5 A A/C compressor clutch relay,

A/C condenser fan relay (via diode),

Automatic dimming inside mirror,

Climate control unit,

Driver's seat heater switch* 2,

Driver's ventilated seat heater switch* 1,

Fan control relay (via diode),

Front blower motor relay,

Front passenger's seat heater switch* 2,

Front passenger's ventilated seat heater switch* 1,

Front seat heater relay* 2, Heated steering wheel relay* 3,

Left power mirror (via power mirror switch)* 4,

Power window master switch,

Power window master switch (via power mirror switch)* 4,

Rear blower motor relay,

Rear seat heater relay* 5,

Rear seat heater switch* 5,

Rear window defogger relay,

Trailer charge relay,

Ventilated seat relay* 1

*1: With ventilated seat
*2: Without ventilated seat
*3: With heated steering wheel
*4: Without DPMS
*5: With rear seat heater
C24 7.5 A Keyless access/TPMS control unit  
C25 7.5 A ACC combination switch (via cable reel and audio remote switch),

AC power outlet switch* 1,

Audio remote switch (via cable reel),

A/T gear position indicator panel,

Beverage holder light,

Cargo area light switch,

CD player unit* 2,

Climate control unit,

CMBS OFF switch,

Console box light,

Dashlights brightness control switch,

Driver's footwell light,

Driver's seat heater switch* 4, Driver's ventilated seat heater switch* 3,

ECON switch,

Front passenger's airbag CUTOFF indicator,

Front passenger's footwell light,

Front passenger's seat heater switch* 4, Front passenger's ventilated seat heater switch* 3,

Glove box light,

Hazard warning switch,

Heated steering wheel switch* 5,

Heated windshield wiper area switch* 6,

HomeLink ® switch* 7,

HFL switch (via cable reel and audio remote switch),

Intelligent traction management switch* 8,

Interior light switch* 11,

Moonroof switch* 10,

Parking and back-up sensor switch,

Power mirror switch,

RDM switch light,

Rear control panel,

Roof console module,

Select/reset/information switch (via cable reel, audio remote switch, and ACC combination switch),

Snow switch* 9,

VSA OFF switch

*1: With AC power outlet
*2: With CD player unit
*3: With ventilated seat
*4: Without ventilated seat
*5: With heated steering wheel
*6: With heated windshield wiper area
*7: With HomeLink ®
*8: AWD
*9: 2WD
*10: With moonroof
*11: Without moonroof
C26* 7.5 A Driver's lumbar support motor (via driver's lumber support switch) *: With lumbar support
C27 7.5 A Front parking lights/daytime running lights/front side marker lights* 1,

Front parking lights* 2,

Front side marker lights* 2,

License plate lights,

Taillights/rear side marker lights,

Trailer small light relay

*1: With LED daytime running light
*2: Without LED daytime running light
C28 10 A 12 volt battery fan,

CAN gateway,

i-VTM control unit* 1,

Left side BSI radar unit* 2,

Millimeter wave radar,

Multipurpose camera unit,

RDW switch,

Rear differential pump motor* 1,

Right side BSI radar unit* 2

*1: AWD*2: With BSI
C29 7.5 A ANC/active sound control unit,

Audio-navigation unit (via reverse relay circuit (built into the under-dash fuse/relay box))* 1,

Audio unit (via reverse relay circuit (built into the under-dash fuse/relay box))* 2,

Automatic dimming inside mirror (via reverse relay circuit (built into the under-dash fuse/relay box)),

Back-up lights (via reverse relay circuit (built into the under-dash fuse/relay box)),

DC-DC converter IG1 relay 1,

MICU,

MICU (via IG1B relay),

MICU (via reverse relay circuit (built into the under-dash fuse/relay box)),

Parking and back-up sensor control unit,

Parking and back-up sensor control unit (via parking and back-up sensor switch),

Parking and back-up sensor switch,

Power mirror control unit* 3,

Power seat control unit* 3,

Reverse relay circuit (built into the under-dash fuse/relay box),

SBW shifter control module, Trailer lighting control unit (via reverse relay circuit (built into the under-dash fuse/relay box))

*1: With navigation
*2: without navigation
*3: With DPMS
C30 --- Not used  
C31 7.5 A Starter cut relay 1, Starter cut relay 2  
C32 7.5 A Front passenger's airbag CUTOFF indicator  
C33 10 A Front passenger's door lock actuator,

Right rear door lock actuator

 
C34 10 A Driver's door lock actuator  
C35 10 A Driver's door lock actuator  
C36 20 A Front up-down motor (via driver's power seat adjustment switch)* 2,

Power seat control unit* 1,

Slide motor (via driver's power seat adjustment switch)* 2

*1: With DPMS
*2: With power seat and without DPMS
C37 10 A MICU  
C38 10 A MICU  
C39 7.5 A Keyless access/TPMS control unit  
C40 7.5 A Console accessory power socket relay,

Front accessory power socket relay,

DC-DC converter ACC relay, TCM

 
C41 10 A Left rear door lock actuator  
C42 --- Not used