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Under-Dash Fuse/Relay Box

Fig 1: Under-Dash Fuse/Relay Box Component Location
GHH306375Courtesy 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 (+B DR P/W)  
C2 20 A No. C19 and C20 fuses (via power door lock relay (UNLOCK) circuit (built into the under-dash fuse/relay box)), No. C33, C34, and C41 fuses (via power door lock relay (LOCK) circuit (built into the under-dash fuse/relay box)), No. C35 fuse (via power door lock relay (DR UNLOCK) circuit (built into the under-dash fuse/relay box)), Power door lock relay (DR UNLOCK) circuit (built into the under-dash fuse/relay box), Power door lock relay (LOCK) circuit (built into the under-dash fuse/relay box), Power door lock relay (UNLOCK) circuit (built into the under-dash fuse/relay box)  
C3 7.5 A Electric steering lock*, Engine start/stop switch, Keyless access/TPMS control unit (+B SMART) *: With electric steering lock
C4 20 A Front passenger's power window switch (+B AS P/W)  
C5 20 A Front accessory power socket (via front accessory power socket relay)  
C6 20 A Fuel tank unit (via PGM-FI main relay 2), PCM (IG1 FUEL PUMP)  
C7 15 A No. A5 fuse in the under-hood fuse/relay box,

Active control engine mount (ACM) control relay, DC-DC converter (IG1 ACG), DC-DC converter IG1 relay 1, DC-DC converter IG1 relay 2, EVAP canister purge valve, MAF sensor, PCM (IG1 ACG), TCM (IG1)

  
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 (IG1 VSA) *: With electric steering lock
C10 10 A SRS unit (VB)  
C11 20 A Left rear power window motor (via left rear power window switch)  
C12 - - - Not used  
C13 20 A Right rear power window motor (via right rear power window switch)  
C14 20 A Fuel fill door opener solenoid (via fuel fill door opener solenoid relay), Fuel fill door opener solenoid relay, Moonroof motor-control unit (+B S/R)  
C15 20 A Power seat control unit (+B DR P/SEAT (REC))  
C16 - - - Not used  
C17 20 A Front seat heater control unit (+B H/SEAT UNIT) (via front seat heater relay)*2 *1: With ventilated seat
*2: Without ventilated seat
Via ventilated seat relay*1:

Driver's seat cushion blower motor, Driver's seat-back blower motor, Front passenger's seat cushion blower motor, Front passenger's seat-back blower motor, Ventilated seat control unit (+B H/SEAT UNIT)
C18 7.5 A Interior lights cut relay *1: Without panoramic glass roof
*2: With panoramic glass roof
Via interior lights cut relay:

Cargo area light, Door courtesy lights, Front individual map light*1, One-touch access switch lights, Power tailgate inside switch light, Rear individual map lights*1, Rear map lights*2, Roof console module*2, Vanity mirror lights
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 Headlights, MICU (IG2 DRL)  
C22 7.5 A MICU (ACC KEYLOCK)  
C23 7.5 A A/C compressor clutch relay, AC inverter unit (IG2 A/C), Automatic dimming inside mirror (IG2 A/C), Climate control unit (IG2 A/C), Climate control unit (HS DR SW HT) (via driver's seat heater switch)*3, Climate control unit (HS PS SW HT) (via front passenger's seat heater switch)*3, Driver's seat heater switch indicators*3, Driver's ventilated seat switch indicators*2, Diode, Front blower motor relay, Front seat heater relay*3, Front passenger's seat heater switch indicators*3, Front passenger's ventilated seat switch indicators*2, Heated steering wheel relay, Heated windshield wiper area relay, Power window master switch (IG2 A/C), Rear blower motor relay, Rear window defogger relay, Second row seat heater relay, Ventilated seat relay*2 *1: With retractable mirror
*2: With ventilated seat
*3: Without ventilated seat
Via power mirror switch:

Power mirror control unit (R-LR), Power mirror control unit (R-UD), Power mirror control unit (R/C MIRR MTR(L-COM)), Power mirror control unit (R/C MIRR MTR(L-LR)), Power mirror control unit (R/C MIRR MTR(L-UD)), Power mirror control unit (SEL), Power mirror control unit (SER), Power window master switch (RETRA SW)*1
Via driver's ventilated seat switch*2:

Climate control unit (HS DR SW FAN), Climate control unit (HS DR SW HT)
Via front passenger's ventilated seat switch*2:

Climate control unit (HS PS SW FAN), Climate control unit (HS PS SW HT)
C24 7.5 A Keyless access/TPMS control unit (IG1A FBK)  
C25 7.5 A ACC combination switch light (via cable reel and audio remote-HFL switch)*1, Audio remote-HFL switch light (via cable reel), Automatic dimming inside mirror (ILLUMI+), BD player unit (ILLUMI+), Beverage holder lights, CD player unit (ILLUMI+), Climate control unit (ILLUMI+), CMBS OFF switch light, Console box light, Cruise control combination switch light (via cable reel and audio remote-HFL switch)*2, Dashlights brightness control switch light, Driver's seat heater switch light*7, Driver's ventilated seat heater switch light*6, ECON switch light, Footwell lights, Front passenger's airbag CUTOFF indicator, Front passenger's seat heater switch light*7, Front passenger's ventilated seat heater switch light*6, Glove box light, Hazard warning switch light, Heated steering wheel switch light (via cable reel and audio remote-HFT switch), Heated windshield wiper area switch light, Idle stop OFF switch light, Intelligent traction management switch light*5, Interior light switch light*4, Moonroof switch light*4, Parking and back-up sensor switch light, Power mirror switch light, RDM switch light, Rear control panel, RES auxiliary jack assembly, Roof console module*3, SBW shifter control module (ILLUMI+), Snow switch light*8, Telematics switch module*4*9, VSA OFF switch light *1: With multipurpose camera unit
*2: Without multipurpose camera unit
*3: With panoramic glass roof
*4: Without panoramic glass roof
*5: AWD
*6: With ventilated seat
*7: Without ventilated seat
*8: 2WD
*9: With telematics
C26 10 A Driver's lumbar support motor (via driver's lumber support switch), Left one-touch access actuator (via left second row seat with one-touch access relay), Left second row seat with one-touch access relay, Right one-touch access actuator (via right second row seat with one-touch access relay), Right second row seat with one-touch access relay  
C27 7.5 A Headlights, Inner taillights, License plate lights, Taillights/rear side marker lights  
C28 10 A 12 volt battery fan motor, CAN gateway*2, Headlight leveling control unit (IG1 OPTION), Power tailgate control unit (IG1 OPTION), Rear differential pump motor*1, i-VTM control unit (IG1 OPTION)*1 *1: AWD
*2: With CAN gateway
C29 7.5 A MICU (IG1 METER), Parking and back-up sensor control unit (IG1 METER), Parking and back-up sensor control unit (PARK SNSR SW) (via parking and back-up sensor switch), Parking and back-up sensor switch indicator, Power mirror control unit (IG1 METER), Power seat control unit (IG1 METER), Reverse relay circuit (built into the under-dash fuse/relay box), SBW shifter control module (IG1 METER), Sunshade motor-control unit (IG1 METER)* *: With panoramic glass roof
Via reverse relay circuit (built into the under-dash fuse/relay box):

Automatic dimming inside mirror (BACK LT), Back-up lights, MICU (BACK LT)
C30 10 A Rear window wiper motor (via rear window wiper motor relay)  
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 Power seat control unit (+B DR P/SEAT (SLI))  
C37 10 A MICU (+B R H/L HI)  
C38 10 A MICU (+B L H/L HI)  
C39 7.5 A Keyless access/TPMS control unit (IG1B FBK)  
C40 7.5 A Cargo area accessory power socket relay, Console accessory power socket relay, DC-DC converter ACC relay, Front accessory power socket relay, TCM*, USB charger unit A, Wireless charger *: '20-21  9-speed A/T with electric steering lock
C41 10 A Left rear door lock actuator  
C42 - - - Not used  
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