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Home >> Honda >> 2021 >> CR-V EX-L, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Electrical System - Testing & Troubleshooting (Hybrid)) >> Fuse to Components Index >> Fuse to Components Index >> Under-Hood Fuse/Relay Box

Under-Hood Fuse/Relay Box

WARNING: This page is about a different variant/trim than selected.
Fig 1: Under-Hood Fuse/Relay Box Component Locations
GHH376788Courtesy of HONDA, U.S.A., INC.
Fuse Number Amps Component(s) or Circuit(s) Protected Feature
A1-1 40 A No. E5, No. E7, and No. E8 fuses in the auxiliary under-dash fuse box  
A1-2 40 A Electric servo brake control unit/pedal feel simulator  
A1-3 40 A VSA modulator-control unit  
A1-4 30 A Relay control module  
A1-5 30 A Via IG1B relay circuit (built into the under-dash fuse/relay box):

Body control module,

No. D3, No. D4, No. D5, No. D6, No. D7, and No. D17 fuses in the under-dash fuse/relay box

Via IG2 relay circuit (built into the under-dash fuse/relay box):

Body control module,

No. D9 and No. D22 fuses in the under-dash fuse/relay box

 
A1-6 30 A Relay control module  
A1-7 150 A DC-DC converter (built into the PCU), No. A3-1, No. A3-2, No. A3-3, No. A3-4, No. A3-5, No. A3-6, No. A4-1* 1, No. A4-2, No. A4-3, No. A4-4, No. A18, No. A19, No. A20* 2, No. A22, No. A23, and No. A24 fuses in the under-hood fuse/relay box *1: With power tailgate
*2: With stereo amplifier
A2-1 70 A EPS control unit  
A2-2 30 A Via IG1A relay circuit (built into the under-dash fuse/relay box):

Body control module,

No. D8, No. D20, No. D21, No. D34, and No. D35 fuses in the under-dash fuse/relay box

Via ACC relay circuit (built into the under-dash fuse/relay box):

No. D1 and No. D2 fuses in the under-dash fuse/relay box

 
A2-3 40 A No. D18* 1, No. D19* 2, No. D31* 3, No. D32* 4, and No. D33* 3 fuses in the under-dash fuse/relay box *1: With power lumbar support
*2: With moonroof
*3: With driver's power seat
*4: With front seat heater
A2-4 60 A No. D15, No. D16, No. D28, No. D29, and No. D30 fuses in the under-dash fuse/relay box,

Power window relay

Via power window relay:

No. D14 and No. D27 fuses in the under-dash fuse/relay box

 
A2-5 30 A Windshield wiper control unit/motor  
A2-6 30 A Park pawl actuator relay,
Park pawl actuator (via park pawl actuator relay)
 
A3-1 40 A Blower motor (via front blower motor relay)  
A3-2 40 A Not used  
A3-3 40 A VSA modulator-control unit  
A3-4 40 A No. D10, No. D23*, No. D24, No. D36, and No. D37 fuses in the under-dash fuse/relay box *: With wireless charger and USB charger unit
A3-5 30 A Not used  
A3-6 40 A Rear window defogger (via rear window defogger relay)  
A4-1* 40 A Power tailgate control unit *: With power tailgate
A4-2 40 A No. E1* 1, No. E2* 2, and No. E3* 2 fuses in the auxiliary under-dash fuse box *1: With power tailgate
*2: With front passenger's power seat
A4-3 20 A Real time AWD control unit  
A4-4 20 A High voltage battery module fan (via battery fan relay)  
A5 --- Not used  
A6 15 A Relay control module  
A7 15 A PGM-FI main relay 1 circuit (built into the relay circuit board)

Via PGM-FI main relay 1 circuit (built into the relay circuit board):

Injectors, PCM,

PGM-FI main relay 2

 
A8 15 A PGM-FI subrelay circuit (built into the relay circuit board)
Via PGM-FI subrelay circuit (built into the relay circuit board):
No. A11 fuse in the under-hood fuse/relay box,
PCM
 
A9 10 A Via brake light relay circuit (built into the relay circuit board):

Electric servo brake control unit/pedal feel simulator, High mount brake light,

Left taillight (left brake light),

Right taillight (right brake light)

Via brake pedal position switch:

Body control module,

PCM

Via brake pedal position switch and brake light relay circuit (built into the relay circuit board):

Electric servo brake control unit/pedal feel simulator, High mount brake light,

Left taillight (left brake light),

Right taillight (right brake light)

 
A10 10 A IGHLD1 relay
Via IGHLD1 relay:
Battery condition monitor module,
PCU electric coolant pump relay,
Motor control module (built into the PCU)
 
A11 7.5 A A/F sensor (SENSOR 1),
Canister charge over valve,

EVAP canister purge valve 1,

EVAP canister purge valve 2

 
A12 10 A Park pawl actuator driver unit,
PCM
 
A13 10 A PCU electric coolant pump (via PCU electric coolant pump relay)  
A14 10 A Body control module  
A15 15 A Ignition coils (via ignition coil relay circuit (built into the relay circuit board)),

Ignition coil relay circuit (built into the relay circuit board)

 
A16 5 A RFC relay  
A17 --- Not used  
A18 10 A ANC/active sound control unit,

Automatic lighting control unit-sensor* 2,

Automatic lighting/rain sensor* 1,

Body control module,

CAN gateway,

Data link connector (DLC),

Gauge control module,

HomeLink ® unit* 3,


Power seat control unit* 4,
Power tailgate control unit* 5,
Power window master switch

Relay control module,


USB charger unit* 6,
Wireless charger* 7
*1: With automatic wiper
*2: Without automatic wiper
*3: With HomeLink ®
*4: With DPMS
*5: With power tailgate
*6: With USB charger and without wireless charger
*7: With wireless charger
A19 15 A Audio-navigation unit* 1,
Audio unit* 2,

Center display unit* 3

*1: With navigation
*2: Without navigation
*3: Display audio type
A20* 20 A Stereo amplifier *: With stereo amplifier
A21 --- Not used  
A22 10 A Front fog light relay*,
Shutter grille

Via front fog light relay*:

Left front fog light,

Right front fog light

*: With front fog light
A23 10 A Electric heater coolant pump (via electric heater coolant pump relay circuit (built into the relay circuit board))  
A24 10 A 12 volt battery sensor,

Horn relay

Via horn relay:

Horn (HIGH),

Horn (LOW)