Honda Civic LX 2009 - 2008 ELECTRICAL Fuses & Circuit Breakers - Civic (Except Hybrid)
Honda Civic LX 2009 - IDENTIFICATION
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See appropriate COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
Honda Civic LX 2009 - UNDER-DASH FUSE/RELAY BOX
NOTE: Under-dash fuse/relay box is located under driver's side of instrument panel. See Fig. 1.
Fig. 1: Honda Civic LX 2009 - Component Locations - Locating Under-Dash Fuse/Relay Box
Fig. 2: Honda Civic LX 2009 - Component Locations - Identifying Under-Dash Fuse/Relay Box Components
Honda Civic LX 2009 Identifying Under-Dash Fuse/Relay Box Fuses
Fuse Number Fuse Name Amps Component or Circuit Protected 1 IG P/W 7.5A MICU, Power Mirror Switch (4-door: except USA DX, DX-VP), Power Window Relay (DX, DX-VP, DX-G, DX-GA) 2 FUEL PUMP 15A ECM/PCM, Fuel Shut-off Solenoid Valve Relay (GX), Immobilizer-Keyless Control Unit, MICU, PGM-FI Main Relay 2 (except GX) 3 ALTERNATOR 10A Alternator, Brake Pedal Position Switch (except DX, DX-VP), CMP Sensor A (SI), ELD Unit (USA; SI; Canada: M/T: DX-GA), EVAP Canister Purge Valve (except GX), MAF/IAT Sensor, Reverse Lockout Solenoid (SI), Secondary HO2S 4 IG1 ABS/VSA 7.5A ABS Modulator-Control Unit (DX, DX-VP, DX-G, DX-GA, GX, LX, LX-S, EX, Sport), EPS Control Unit (SI; Canada: DX-GA M/T), MICU, VSA Modulator-Control Unit (EX-L, SI), Yaw Rate-Lateral Acceleration Sensor (EX-L, SI) 5 H/SEAT (15A) (GX, EX-L) Driver's Seat Heater Relays (EX-L), Front Passenger's Seat Heater Relays (EX-L), Front Passenger's Seat Heater Relay Box (EX-L), Injector Control Module Relay (GX) 6 FR FOG (20A) Fog Light Relay (SI) 7 TPMS (USA) (7.5A) MICU, TPMS Control Unit (USA) 8 - - Not Used 9 IG1 ODS 7.5A Front Passenger's Airbag Cut-off Indicator, MICU, ODS Unit, SRS Unit 10 METER 7.5A Back-up light switch (M/T), Gauge Control Module (Speedo), Gauge Control Module (Tach), MICU, Shift Lock Solenoid (A/T), Power Window Master Switch (2-door: LX, EX, EX-L, SI), TPMS Control Unit (USA) 11 SRS 10A MICU, SRS Unit 12 H/L R HI 10A Right Headlight (High) 13 H/L L HI 10A Left Headlight (High) 14 SMALL (INTR) 7.5A A/T Gear Position Indicator Console Light, Audio Remote Switch (USA: EX, EX-L, SI), Audio Unit (except Navigation), Cable Reel, Cruise Control Combination Switch (except DX, DX-VP), Dash Lights Brightness Controller and Odometer Select/Reset Switch, Driver's Seat Heater Switch (EX-L), Front Passenger's Airbag Cut-off Indicator, Front Passenger's Seat Heater Switch (EX-L), Hazard Warning Switch, Heater Control Panel/HVAC Control Unit, HFL-Voice Control Switch (Navigation), MICU, Moonroof Switch (USA: EX; Canada LX, Sport; EX-L, SI), Navigation Unit, Park Pin Switch/A/T Gear Position Indicator Panel Light, Power Mirror Switch (2-door: except USA DX), VSA OFF Switch (SI) 15 SMALL (EXTR) 7.5A Left Brake Light/Taillight, Left Front Side Marker/Parking/Turn Signal Lights, Left Inner Taillight (4-door), Left License Plate Light, Left Side Rear Side Marker Light, Right Brake Light/Taillight, Right Front Side Marker/Parking/Turn Signal Lights, Right Inner Taillight (4-door), Right License Plate Light, Right Rear Side Marker Light 16 H/L R LO 10A Right Headlight (Low) 17 H/L R LO 10A Left Headlight (Low) 18 H/L HI MAIN 20A MICU 19 SMALL MAIN 15A MICU 20 - - Not used 21 H/L LO MAIN 20A MICU 22 IG1 HAC (7.5A) Not used 23 STS (7.5A) Not used 24 SUNROOF (20A) Moonroof Control Unit (USA: EX; Canada LX; EX-L, SI) 25 DOOR LOCK 20A MICU 26 DR P/W 20A Power Window Master Switch 27 +B HAC OP (20A) Option Connector 28 RR ACC SOCKET (15A) Console Accessory Socket Relay (except Navigation: USA: EX, EX-L, SI) 29 +B ACC 15A Front Accessory Power Socket Relay 30 AS P/W 20A Front Passenger's Power Window Switch, Moonroof Control Unit (2-Door: USA: EX; Canada LX; EX-L, SI), Power Window Master Switch 31 - - Not Used 32 RR R P/W 20A Moonroof Control Unit (4-door: USA: EX; Canada LX; EX-L, SI), Power Window Master Switch (4-door), Right Rear Power Window Switch (4-door) 33 RR L P/W 20A Left Rear Power Window Switch (4-door), Power Window Master Switch (4-door) 34 - - Not Used 35 ACC RADIO 7.5A Audio Unit (except Navigation), Console Accessory Power Socket Relay (except Navigation: USA: EX, EX-L, SI), Front Accessory Power Socket Relay, HandsFreeLink Control Unit (Navigation), Ignition Key Switch (A/T), MICU, Navigation Unit, Stereo Amplifier (2-door: USA: EX, EX-L, SI except Navigation) 36 IG2 HAC 10A A/C Compressor Clutch Relay, Blower Motor Relay, Driver's Seat Heater Switch (EX-L), Fan Control Relay, Front Passenger's Seat Heater Switch (EX-L), Heater Control Panel/HVAC Control Unit, MICU, Power Mirror Defogger Relay (EX-L; Canada: LX, Sport, SI), Power Mirror Switch (except USA DX, DX-VP), Radiator Fan Diode, Radiator Fan Relay, Rear Window Defogger Relay, Recirculation Control Motor 37 DAY LT 7.5A MICU 38 FR WIPER 30A MICU
Honda Civic LX 2009 - UNDER-HOOD FUSE/RELAY BOX
NOTE: Under-hood fuse/relay box is located in left side of engine compartment, near strut tower. See Fig. 3.
Fig. 3: Honda Civic LX 2009 - Component Locations - Locating Under-Hood Fuse/Relay Box
Fig. 4: Honda Civic LX 2009 - Component Locations - Identifying Under-Hood Fuse/Relay Box Components
Honda Civic LX 2009 Identifying Under-Hood Fuse/Relay Box Fuses
Fuse Number Fuse Name Amps Component or Circuit Protected 1 MAIN FUSE 100A Alternator, ELD Unit (USA; SI; Canada M/T: DX-GA), Fuses 2, 4, 6, 7, 8, 9, 19, 20, 21, 22, 23 Multi-fuse 2 and Multi-fuse 4 in Under-hood Fuse/Relay Box, Starter, Starter Solenoid EPS 70A EPS Control Unit (SI; Canada: DX-GA M/T) 2 OP MAIN 60A Fuses 5 (GX, EX-L), 6 (SI), 7 (USA), 27, 28 (except Navigation: USA: EX, EX-L, SI), 29 and 31 in Under-dash Fuse/Relay Box IG MAIN 50A Ignition Switch 3 ABS/VSA MOTOR 30A ABS Modulator-Control Unit (DX, DX-VP, DX-G, DX-GA, GX, LX, LX-S, EX, Sport), VSA Modulator-Control Unit (EX-L, SI) ABS/VSA F/S 30A
40A (EX-L, SI)ABS Modulator-Control Unit (DX, DX-VP, DX-G, DX-GA, GX, LX, LX-S, EX, Sport), VSA Modulator-Control Unit (EX-L, SI) 4 H/L MAIN 50A Fuses 18, 19, 20 and 21 in Under-dash Fuse/Relay Box P/W MAIN 40A Fuses 24 (USA: EX; Canada: LX, Sport; EX-L, SI), 25 and 26 (LX, GX, EX, EX-L, SI) in Under-dash Fuse/Relay Box, Power Window Relay (DX, DX-VP, DX-G, DX-GA) 5 - - Not Used 6 SUB FAN MTR 20A A/C Condenser Fan Relay 7 MAIN FAN MTR 20A (M/T)
30A (A/T)Radiator Fan Relay 8 RR DEF 30A (4-door)
40A (2-door)Rear Widow Defogger Relay 9 BLOWER 40A Blower Motor Relay 10 HAZARD 10A Hazard Warning Switch, MICU 11 FI SUB 15A PGM-FI Sub-relay 12 STOP&HORN 15A Brake Pedal Position Switch, MICU 13 - - Not Used 14 - - Not Used 15 OIL LVL 7.5A A/C Condenser Fan Diode, A/C Condenser Fan Relay 16 - - Not Used 17 AUDIO AMP 15A Stereo Amplifier (SI: 2-door: USA: EX, EX-L) 18 IG COIL 15A Ignition Coil Relay 19 FI MAIN 15A PGM-FI Main Relay 1 20 MG CLUTCH 7.5A A/C Compressor Clutch Relay 21 DBW 15A ETCS Control Relay 22 INTR LT 7.5A Ceiling Light, Front Individual Map Lights (USA GX, LX, LX-S, EX; Canada LX, Sport; EX-L, SI), MICU, Trunk Light 23 BACK UP 10A Audio Unit (except Navigation), DLC, Gauge Control Module (Speedo), Gauge Control Module (Tach), HandsFreeLink Control Unit (Navigation) Immbilizer-Keyless Control Unit, MICU, Moonroof Switch (USA: EX; Canada LX, Sport; EX-L, SI), Navigation Unit