Where are the fuse boxes and relay located?
- Passenger Compartment : The Fuse & Relay Box and Additional items are located in the passenger compartment.
- Engine Compartment Fuse Box: The Fuse & Relay Box is located in the engine compartment.
1. Passenger Compartment
Fuse Box, Control Unit & Relay
Fuse Box, Control Unit & Relay Layout
| No | Assignment |
|---|---|
| 1 | Fuse and relay box |
| 2 | Instrument cluster (tachometer) |
| 3 | Instrument cluster (speedometer) |
| 4 | Except GX: Relay for socket outlet in center console Hybrid: Front Outlet Relay GX: Starter control relay |
| 5 | Except GX: Relay, front socket Hybrid: Relay for socket outlet in center console GX: Center console socket relay |
| 6 | GX: Front outlet relay |
| 7 | GX: Relay for injector control unit |
| 8 | SL (’09 -’11): Fog Light Relay |
| No | Assignment |
|---|---|
| 1 | ’08 -’11: Tire Pressure Monitoring System (TPMS) Control Module |
| 2 | Audio and navigation control unit |
| 3 | Electric power steering (ESP) control unit GX: Injector control unit |
| 4 | Coupe: Audio amplifier |
| 5 | Airbag control unit |
| 6 | ’09 -’11: USB Connector Control Box |
| 7 | Heater and air conditioner control unit |
| 8 | Immobilizer control unit |
| 9 | ’09 -’11: Handsfree Control Unit (HandsFreeLink) |
| 10 | Sedan: Audio System Amplifier |
Additional Items
| No | Assignment |
|---|---|
| 1 | ’09 -’11: USB Connector Control Box |
| 2 | Hybrid: Powertrain Control Module (MCM) Relay # 1 |
| 3 | Hybrid: Powertrain Control Module (MCM) Relay # 2 |
| 4 | ’07 -’10: XM receiver (if navigation is available) |
| 5 | Hybrid: Powertrain Control Module (MCM – Motor Control Module) |
| 6 | ’09 -’11: Handsfree Control Unit (HandsFreeLink) |
2. Engine Compartment Fuse Box
2008 Honda Civic Fuse Box Diagram
Passenger Compartment
2008 Honda Civic Under Dash Fuse Box Diagram
The interior fuse box is underneath the steering column. To open it, turn the knobs as shown.
2008 Honda Civic Passenger Compartment Fuse Box Diagram
2008 Honda Civic Under Dash Fuse Details
| № | A | Protected Component | Problems, if blown or malfunction |
|---|---|---|---|
| 1 | 7.5 | Power Mirror Switch Light (4-Door), Power Window Relay (without Key-off Operation) | |
| 2 | 15 | except Hybrid: Camshaft Position (CMP) Sensor A, Engine/Powertrain Control Module (ECM/PCM), Immobilizer-Keyless Control Unit | |
| 15 | Hybrid: Powertrain Control Module (PCM), Fuel Pump (PGM-FI Main Relay №2), Immobilizer-Keyless Control Unit | ||
| 3 | 10 | Alternator, Engine/Powertrain Control Module (ECM/PCM), Evaporative Emission Control (EVAP) Canister Purge Valve, EVAP Canister Vent Shut Valve, Mass Air Flow (MAF) Sensor | Problem in starting. Check more about Honda Civic won’t start. |
| 10 | DC-DC Converter, Electrical Load Detector (ELD), Evaporative Emission Control (EVAP) Canister Purge Valve, Mass Air Flow (MAF) Sensor, Powertrain Control Module (PCM), Brake Pedal Position Switch, Secondary Heated Oxygen Sensor (HO2S) | ||
| 4 | 7.5 | ABS or VSA Modulator-Control Unit, Yaw Rate-Lateral Acceleration Sensor (with VSA), Electric Power Steering (EPS) Control Unit | |
| 5 | 15 | 2-Door: Audio Amplifier | |
| 15 | Driver’s Seat Heater, Front Passenger’s Seat Heater, Seat Heater Relay | ||
| 6 | – | – | |
| 7 | 7.5 | Tire Pressure Monitoring System (TPMS) Control Unit | |
| 8 | – | – | |
| 9 | 7.5 | Occupant Detection System (ODS) Unit, Supplemental Restraint System (SRS) Unit, Passenger’s Airbag Cut-Off Indicator | |
| 10 | 7.5 | Gauge Control Module (Tach), Power Window Master Switch (2-Door with Auto Up/Auto Down), Back-Up Light Switch (M/T), Shift Lock Solenoid (A/T), Multiplex Integrated Control Unit (MICU), Tire Pressure Monitoring System (TPMS) Control Unit, BCM Module (Hybrid), Interface Box | |
| 11 | 10 | Supplemental Restraint System (SRS) Unit | |
| 12 | 10 | Right Headlight (High Beam) | |
| 13 | 10 | Left Headlight (High Beam) | |
| 14 | 7.5 | Audio Unit Light, Dash Lights Brightness Controller Light, Hazard Warning Switch Light, Heater Control Panel Light/HVAC Control Unit Light, Moonroof Switch Light, Passenger’s Airbag Cut-Off Indicator, Select/Reset Switch Light, A/T Gear Position Indicator Panel | |
| Light, Audio Remote Switch Light, Cruise Control Combination Switch Light, Driver’s Seat Heater Switch Light, HFL-Voice Control | |||
| Switch Light, Interface Box, Passenger’s Seat Heater Switch Light, VSA OFF Switch Light | |||
| 15 | 7.5 | Parking Lights, Taillights, License Plate Lights, Side Marker Lights | |
| 16 | 10 | Right Headlight (Low Beam) | |
| 17 | 10 | Left Headlight (Low Beam) | |
| 18 | 20 | High Beam, Multiplex Integrated Control Unit (MICU) | |
| 19 | 15 | Parking Lights, Multiplex Integrated Control Unit (MICU) | |
| 20 | – | – | |
| 21 | 20 | Low Beam, Multiplex Integrated Control Unit (MICU) | |
| 22 | 7.5 | Hybrid: A/C Compressor Driver | |
| 23 | 7.5 | Starter Switch Signal, Powertrain Control Module (PCM) | |
| 24 | 20 | Moonroof Control/Motor | |
| 25 | 20 | Power Door Lock, Multiplex Integrated Control Unit (MICU) | |
| 26 | 20 | Driver’s Window Motor (Power Window Master Switch) | |
| 27 | – | – | |
| 28 | 15 | Rear/Console Accessory Power Socket | |
| 29 | 15 | Front Accessory Power Socket | |
| 30 | 20 | 4-Door: Front Passenger’s Window Motor | |
| 20 | 2-Door: Moonroof Switch, Moonroof Control Unit/Motor, Passenger’s Window Motor | ||
| 31 | – | – | |
| 32 | 20 | 4-Door: Right Rear Window Motor, Moonroof Switch, Moonroof Control Unit/Motor | |
| 33 | 20 | 4-Door: Left Rear Window Motor | |
| 34 | – | – | |
| 35 | 7.5 | Audio Unit, Front Accessory Power Socket, Rear/Console Accessory Power Socket, Stereo Amplifier (2-Door), HandsFreeLink | |
| Control Unit, Ignition Key Switch, Multiplex Integrated Control Unit (MICU), Interface Box | |||
| 36 | 10 | Heater Control Panel/HVAC Control Unit, Power Mirrors, Recirculation Control Motor, A/C Compressor Clutch Relay, Blower Motor Relay, Power Mirror Defogger Relay, Rear Window Defogger Relay, Cooling Fan Control Relay and Radiator Ran Relay (A/C Diode), AHB Buzzer (Hybrid), Servo Unit (Hybrid) | |
| 37 | 7.5 | Daytime Running Light, Multiplex Integrated Control Unit (MICU) | |
| 38 | 30 | Front Wiper, Multiplex Integrated Control Unit (MICU) | |
| Relay | |||
| R1 | Power Window | ||
| R2 | Fuel Pump (PGM-FI Main 2) | Problem in starting. Check more about Honda Civic won’t start. | |
| R3 | Starter Cut | Problem in starting. Check more about Honda Civic won’t start. | |
Under Hood Honda Civic Fuse Box Diagram
2008 Honda Civic Under Hood Fuse Box Diagram
2008 Honda Civic Under Hood Fuse Box Details
| № | A | Protected Component | Problems, if blown or malfunction |
|---|---|---|---|
| 1 | 100 | Battery, Power Distribution | |
| 70 | Electric Power Steering (EPS) Control Unit | ||
| 2 | 50 | Ignition Switch | |
| 80 | except Hybrid: Fuses (Passenger Compartment): 5, 6, 7, 27, 28, 29, 31 | ||
| 80 | 2006-2007 (Hybrid): Fuses (Passenger Compartment): 5, 6, 7, 27, 28, 29, 31 | ||
| 60 | 2008-2011 (Hybrid): Fuses (Passenger Compartment): 5, 6, 7, 27, 28, 29, 31 | ||
| 3 | 30 | ABS or VSA Modulator-Control Unit | |
| 30 | except Hybrid: ABS or VSA Modulator-Control Unit | ||
| 30 | Hybrid: ABS Modulator-Control Unit | ||
| 40 | Hybrid: VSA Modulator-Control Unit | ||
| 4 | 50 | Fuses (Passenger Compartment): 18, 19, 20, 21 | |
| 40 | Fuses (Passenger Compartment): 24, 25, 26, 30, 32, 33 | ||
| 5 | 40 | Servo Unit | |
| 6 | 20 | A/C Condenser Fan Relay, A/C Condenser Fan Motor | |
| 7 | 20 | M/T: Radiator Fan Relay, Radiator Fan Motor | |
| 30 | A/T: Radiator Fan Relay, Radiator Fan Motor | ||
| 8 | 30 | 4-Door: Rear Window Defogger Relay, Rear Window Defogger | |
| 40 | 2-Door: Rear Window Defogger Relay, Rear Window Defogger | ||
| 9 | 40 | Blower Motor Relay, Blower Motor | |
| 10 | 10 | Hazard Lights, Multiplex Integrated Control Unit (MICU), Gauge Control Module (Speedo), Gauge Control Module (Tach), | |
| 11 | 15 | Air Fuel Ratio (A/F) Sensor №1, Engine/Powertrain Control Module (ECM/PCM), Vent Shut Solenoid (Hybrid) | Problem in starting. Check more about Honda Civic won’t start. |
| 12 | 15 | Brake lights, Engine/Powertrain Control Module (ECM/PCM), Horn, Multiplex Integrated Control Unit (MICU) | |
| 13 | 15 | Hybrid: Rear Ignition Coils | |
| 14 | 15 | Hybrid: Front Ignition Coils | |
| 15 | 7.5 | A/C Condenser Fan Relay | |
| 16 | – | – | |
| 17 | 15 | 2-Door: Audio Amplifier | |
| 18 | 15 | except Hybrid: Iqnition Coils, Engine/Powertrain Control Module (ECM/PCM) | |
| 20 | Hybrid: Iqnition Coils, Powertrain Control Module (PCM) | ||
| 19 | 15 | Crankshaft Position (CKP) Sensor, Camshaft Position (CMP) Sensor B, Engine/Powertrain Control Module (ECM/PCM), Electronic Throttle Control System (ETCS) Control Relay, Injectors, PGM-FI Main Relay №1 (Fl MAIN), PGM-FI Main Relay №2 (Fuel Pump) (except Hybrid) | |
| 20 | 7.5 | A/C Compressor Clutch Relay, A/C Compressor Clutch | |
| 21 | 15 | Electronic Throttle Control System (ETCS) Control Relay, Engine/Powertrain Control Module (ECM/PCM) | |
| 22 | 7.5 | Ceiling Light, Map Lights, Trunk Light, Auxiliary Electric Water Pump, Auxiliary Electric Water Pump Relay | |
| 23 | 10 | Audio Unit, Data Link Connector (DLC), Gauge Control Module (Tach), Gauge Control Module (Speedo), Hazard Warning Switch, Immobilizer-Keyless Control Unit, Multiplex Integrated Control Unit (MICU), Motor Control Module (MCM) (Hybrid), BCM Module (Hybrid), HandsFreeLink Control Unit | |
| Relay | |||
| R1 | Radiator Fan | ||
| R2 | A/C Condenser Fan | ||
| R3 | Fan Control | ||
| R4 | Electronic Throttle Control System (ETCS) Control | ||
| R5 | Blower Motor | ||
| R6 | Power Mirror Defogger | ||
| R7 | PGM-FI Main (№1) | ||
| R8 | Rear Window Defogger | ||
| R9 | PGM-FI Subrelay | ||
| R10 | A/C Compressor Clutch | ||
| R11 | Ignition Coil | ||
2008 Honda Civic Under Hood Relay Box Diagram
2008 Honda Civic Under Hood Relay Box Details
| No | Amps | Function | Problems, if blown or malfunction |
|---|---|---|---|
| 61 | 10 | BCM Module, Motor Control Module (MCM) Relay №2, Servo Unit | |
| 62 | 7.5 | BCM Module, Motor Control Module (MCM) Relay №1 | |
| 63 | 15 | Servo Unit | |
| 64 | — | — | |
| R1 | — | Auxiliary Electric Water Pump | |
| R2 | — | Fuel Pump | Problem in starting. Check more about Honda Civic won’t start. |
WARNING: The terminal and harness assignments for individual connectors may vary depending on the vehicle’s equipment level, model, and market. It is recommended to refer to the fuse box diagram provided at the back of the fuse box cover for accurate information.
