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Auxiliary Under-Hood Fuse/Relay Box

Fig 1: Auxiliary Under-Hood Fuse/Relay Box Component Location
GHH451880Courtesy of HONDA, U.S.A., INC.
Auxiliary Under-Hood Fuse/Relay Box

Fuse Number Amps Component(s) or Circuit(s) Protected Feature
B1-1 60 A EPS control unit  
B1-2 60 A No. C14, No. C15* 1, No. C16, No. C17* 2, No. C18, No. C36* 1 fuses in the under-dash fuse/relay box *1: With power seat
*2: With seat heater
B1-3 60 A No. C1, No. C2, No. C3, No. C4, and No. C5 fuses in the under-dash fuse/relay box,

No. C11, No. C12*, and No. C13 fuses in the under-dash fuse/relay box (via power window relay),

Power window relay

*: With back power window
B1-4 40 A Not used  
B1-5 30 A No. C6, No. C7, No. C8, No. C9, No. C10, and No. C24 fuses in the under-dash fuse/relay box (via IG1A relay)  
B1-6 30 A No. C28, No. C29, No. C31, No. C32, and No. C39 fuses in the under-dash fuse/relay box (via IG1B relay)  
B1-7* 20 A i-VTM control unit,

i-VTM control unit (via i-VTM relay),

i-VTM relay,

Rear differential pump motor (via i-VTM relay)

*: AWD
B1-8 40 A Not used  
B2 --- Not used  
B3 20 A Trailer electric brake connector  
B4* 7.5 A 12 volt battery sensor *: With LED daytime running light
B5 20 A No. C26, No. C37, and No. C38 fuses in the under-dash fuse/relay box  
B6 7.5 A Trailer lighting control unit  
B7 7.5 A Trailer lighting control unit  
B8 20 A Console accessory power socket (via console accessory power socket relay)  
B9 30 A Trailer lighting connector (via trailer small light relay)  
B10 10 A No. C21 and No. C23 fuses in the under-dash fuse/relay box (via IG2 relay circuit (built into the under dash fuse/relay box)),

No. C22 and No. C40 fuse in the under-dash fuse/relay box (via ACC relay circuit (built into the under-dash fuse/relay box)),

Heated windshield wiper area relay (via IG2 relay circuit (built into the under dash fuse/relay box))*,

Keyless access/TPMS control unit (via IG2 relay circuit (built into the under dash fuse/relay box))

*: With heated windshield wiper area
B11 20 A Trailer lighting connector (via trailer charge relay)  
B12 30 A No. B17 fuse in the auxiliary under-hood fuse/relay box (via starter cut relay 1), Starter (via starter cut relay 1 and starter cut relay 2)  
B13 30 A DC-DC converter  
B14 30 A DC-DC converter  
B15* 15 A Heated windshield wiper area,

Heated windshield wiper area switch indicator

*: With heated windshield wiper area
B16 20 A* 1 Rear seat heater control unit (via rear seat heater relay) *1: With rear seat heater
*2: Without LED daytime running light
7.5 A* 2 12 volt battery sensor
B17 7.5 A PCM