Table of Contents
This article provides detailed fuse box diagrams and relay layouts for the tenth-generation Honda Accord (Midsize platform; chassis code CV), model years 2018, 2019, 2020, 2021, 2022, and 2023.
Fuses No. 16 and No. 50 in the passenger compartment fuse box protect the accessory power socket (cigarette lighter) circuits.
Engine Compartment Fuse Box
The underhood fuse box is located near the battery on the left side of the engine compartment. Unclip and remove the plastic cover to access the fuses.
Example of fuse box location and access.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| R1 | Main Relay 2 (PGM-FI) | |
| R2 | Horn Relay | |
| R3 | Fog Lamp Relay | |
| R4 | A/C Compressor Clutch Relay | |
| R5 | Blower Motor Relay | |
| R6 | Not Used | |
| R7 | Rear Window Defroster Relay | |
| R8 | Rear Heated Seat Relay | |
| R9 | Heated Steering Wheel Relay | |
| R10 | Radiator Fan Relay | |
| R11 | A/C Condenser Fan Relay | |
| R12 | Fan Control Module Relay | |
| R13 | Windshield Wiper De-Icer Relay | |
| R14 | Fuel Injector Relay | |
| R15 | Relay Board | |
| 1 | Main Battery Fuse | 125 |
| 2-1 | Not Used | 70 |
| 2-2 | Electric Power Steering (EPS) System | 70 |
| 2-3 | Not Used | 30 |
| 2-4 | Main Fuse Box 2 | 60 |
| 2-5 | Electric Brake Booster (EBB) System | 40 |
| 2-6 | ABS/VSA FSR Module | 40 |
| 2-7 | Not Used | - |
| 2-8 | Ignition Main Switch (IG Main) | 30 |
| 3-1 | Rear Defroster / Heater | 40 |
| 3-2 | Main Fuse Box 1 | 60 |
| 3-3 | Not Used | 30 |
| 3-4 | Blower Motor | 40 |
| 3-5 | Not Used | 40 |
| 3-6 | Starter Generator (STMG) | 30 |
| 3-7 | Auxiliary Fan Motor | 30 |
| 3-8 | Not Used | 30 |
| 4-1 | Not Used | 30 |
| 4-2 | Auxiliary Fuse Box 2 | 70 |
| 4-3 | Not Used | 40 |
| 4-4 | Auxiliary Fuse Box 1 | 60 |
| 5-1 | Not Used | 40 |
| 5-2 | Main Radiator Fan Motor | 30 |
| 5-3 | SPM2 Module | 30 |
| 5-4 | ABS/VSA Pump Motor | 40 |
| 5-5 | Ignition 2 (IG2) | 30 |
| 5-6 | Windshield Wiper Motor | 30 |
| 6 | SRM1 Module | 30 |
| 7 | Not Used | - |
| 8 | Not Used | - |
| 9 | Brake Lights (Stop Lamps) | 10 |
| 10 | Telematics Control Unit (TCU) (if equipped) | 15 |
| 11 | Fuel Injectors | 20 |
| 12 | Telematics Control Unit 2 (TCU2) (if equipped) | 10 |
| 13 | Powertrain Control Module Power (IGP) | 15 |
| 14 | Telematics Control Unit 3 (TCU3) (if equipped) | 10 |
| 15 | Fuel Injection Electronic Control Unit (FI ECU) | 10 |
| 16 | Battery Sensor | 7.5 |
| 17 | Drive-by-Wire (DBW) System | 15 |
| 18 | Ignition Coils | 15 |
| 19 | Security Alarm System | 15 |
| 20 | Not Used | - |
| 21 | Not Used | - |
| 22 | Heated Steering Wheel (H/STRG) (if equipped) | 10 |
| 23 | Not Used | - |
| 24 | Audio System Head Unit | 15 |
| 25 | Rear Heated Seats (if equipped) | 20 |
| 26 | Windshield Wiper De-Icer (if equipped) | 15 |
| 27 | Backup Lights (Reverse Lamps) | 10 |
| 28 | Horn | 10 |
| 29 | Front Fog Lights (if equipped) | 10 |
| 30 | Active Grille Shutter Motor (if equipped) | 7.5 |
| 31 | A/C Compressor Clutch | 10 |
| 32 | Windshield Washer Motor | 15 |
| 33 | Not Used | - |
| 34 | Not Used | 10 |
| 35 | Sub Audio System (if equipped) | 7.5 |
| 36 | IGPS Module | 7.5 |
| 37 | Linear Air-Fuel Ratio Sensor (IPPS / LAF) | 7.5 |
| 38 | VB ACT Module | 7.5 |
| 39 | IG1 TCU (if equipped) | 10 |
| 40 | Fuel Pump Fuse (Accord 10th Gen) | 20 |
| 41 | IG1 ABS/VSA Module | 7.5 |
| 42 | IG1 Alternator (ACG) | 10 |
| 43 | IG1 Starter Solenoid | 10 |
| 44 | IG1 Monitor Module | 10 |
| 45 | Not Used | - |
Passenger Compartment Fuse Box
The under-dash fuse box is located beneath the driver’s side dashboard.
General view of the interior fuse box panel.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| 1 | Not Used | - |
| 2 | Left Door Unlock Module | 10 |
| 3 | Right Door Unlock Module | 10 |
| 4 | Ignition Switch Power Supply | 10 |
| 5 | Ignition Key Interlock | 7.5 |
| 6 | Supplemental Restraint System (Airbags) | 10 |
| 7 | Not Used | - |
| 8 | Engine Control (IG HOLD 2) | 10 |
| 9 | Smart Entry System (SMART) | 10 |
| 10 | Not Used | - |
| 11 | Left Door Lock Module | 10 |
| 12 | Driver Door Lock Module | 10 |
| 13 | Right Door Unlock Module | 10 |
| 14 | Not Used | 10 |
| 15 | Daytime Running Lights (DRL) | 10 |
| 16 | Cigarette Lighter / Accessory Socket Fuse | 20 |
| 17 | Moonroof / Sunroof | 20 |
| 18 | Not Used | - |
| 19 | Not Used | - |
| 20 | Shift-by-Wire Electronic Control Unit (SBW ECU) | 10 |
| 21 | Driver Door Unlock Module | 10 |
| 22 | Not Used | - |
| 23 | Not Used | - |
| 24 | Audio Power Amplifier | 20 |
| 25 | Not Used | - |
| 26 | Not Used | - |
| 27 | Not Used | - |
| 28 | Not Used | - |
| 29 | Not Used | - |
| 30 | Not Used | - |
| 31 | Not Used | - |
| 32 | Engine Control (IG HOLD 3) | 15 |
| 33 | Driver Power Seat Adjustment | 20 |
| 34 | Passenger Power Seat Adjustment | 20 |
| 35 | Not Used | 10 |
| 36 | Instrument Cluster / Dashboard | 10 |
| 37 | Not Used | 10 |
| 38 | Driver Power Seat Adjustment | 20 |
| 39 | Passenger Power Seat Adjustment | 20 |
| 40 | Driver Power Seat Lumbar Support | 10 |
| 41 | Not Used | - |
| 42 | Adaptive Vehicle System (AVS) | 20 |
| 43 | Not Used | 10 |
| 44 | Adaptive Damper System (ADS) | 20 |
| 45 | Not Used | - |
| 46 | Supplemental Restraint System (SRS Control Unit) | 10 |
| 47 | Not Used | - |
| 48 | Head-Up Display (HUD) | 10 |
| 49 | Power Door Locks | 20 |
| 50 | Front Console Accessory Power Socket Fuse | 20 |
| 51 | Rear Right Power Window | 20 |
| 52 | Rear Left Power Window | 20 |
| 53 | Front Passenger Power Window | 20 |
| 54 | Driver Power Window | 20 |
| 55 | Not Used | - |
