Honda Civic VIII (2005-2009) micu Wiring diagrams

+2 -1 A/T REVERSE RELAY AUTOMATIC DIMMING INSIDE MIRROR AUTOMATIC DIMMING INSIDE MIRROR IN-LINE FUSE (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/YEL WIRE BRN WIRE FUSE 10 FUSE 36 GRN/BLK WIRE HOT IN ON HOT IN ON OR START MICU PPL TRANSMISSION RANGE SWITCH (ON TRANSMISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH FUSE/RELAY BOX CONNECTOR A (UNDER LEFT END OF DASH) WHT WIRE WHT/GRN WIRE

A/T REVERSE RELAY AUTOMATIC DIMMING INSIDE MIRROR AUTOMATIC DIMMING INSIDE MIRROR IN-LINE FUSE (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/YEL WIRE BRN WIRE FUSE 10 FUSE 36 GRN/BLK WIRE HOT IN ON HOT IN ON OR START MICU PPL PPL 2 TRANSMISSION RANGE SWITCH (ON TRANSMISSION HOUSING) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH FUSE/RELAY BOX CONNECTOR A (UNDER LEFT END OF DASH) WHT WIRE

+B INTR LT VBU +B RR FOG +B RR FOG +B D/L +B SMALL +B H/L LO MAIN 13 8 14 9 (W/ SI) (W/O SI) A/C COMPRESSOR CLUTCH RELAY REAR WINDOW DEFOGGER RELAY A/C CONDENSER FAN RELAY ABS MODULATOR CONTROL UNIT (W/O SI) VSA MODULATOR CONTROL UNIT (W/ SI) ALTERNATOR BATTERY BLK WIRE BLOWER MOTOR RELAY BLU WIRE BRAKE PEDAL POSITION HAZARD WARNING SWITCH CEILING LIGHT STERIO AMPLIFIER (2-DR: EX) ELECTRICAL LOAD DETECTOR (ELD) UNIT (USA) (CANADA: SI) ETCS CNTRL RELAY FROM BATTERY (DIAGRAM 1 OF 3) FROM MULTI-FUSE 1 (DIAGRAM 1 OF 3) FRONT INDIVIDUAL MAP LIGHTS (EX, LX, SI) FUSE 13 (NOT USED) FUSE 10 FUSE 12 FUSE 5 (NOT USED) FUSE 14 (NOT USED) FUSE 17 (NOT USED) FUSE 16 (NOT USED) FUSE 11 FUSE 18 FUSE 18 FUSE 19 FUSE 19 FUSE 21 FUSE 20 FUSE 20 (NOT USED) FUSE 24 FUSE 25 FUSE 21 FUSE 22 FUSE 9 FUSE 23 FUSE 27 (NOT USED) FUSE 7 (NOT USED) FUSE 5 FUSE 31 (NOT USED) FUSE 6 FUSE 7 FUSE 8 GRN WIRE IGNITION COIL RELAY PGM-FI SUB-RELAY LT BLU WIRE LT GRN WIRE M/T A/T MICU MICU +B H/L HI MAIN MICU +B HORN +B HAZ MOONROOF CONTROL UNIT (EX, SI) MULTI FUSE 1 MULTI FUSE 2 MULTI FUSE 3 MULTI-FUSE 4 ORG/ WIRE PGM-FI MAIN RELAY 1 RADIATOR FAN RELAY RED WIRE STARTER STARTER SOLENOID STEREO AMPLIFIER SWITCH TO IGNITION SWITCH (DIAGRAM 2 OF 3) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 2 OF 3) TO UNDER-DASH FUSE/RELAY BOX, FUSE 28, 29 (DIAGRAM 2 OF 3) TO UNDER-HOOD FUSE/RELAY BOX, MULTI-FUSE 3 (DIAGRAM 1 OF 3) TO UNDER-HOOD FUSE/RELAY BOX, MULTI-FUSE 4 (DIAGRAM 1 OF 3) TRUNK LIGHT EPS CONTROL UNIT UNDER-DASH FUSE/ RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) WHT WIRE YEL WIRE

2-DR REAR ACCESSORY POWER SOCKET 28 16 (W/O SI) (W/ SI) 4-DR ACC KEY LOCK AUDIO UNIT (EXCEPT USA NAVIGATION) NAVIGATION UNIT (USA) BACK-UP LIGHT SWITCH (M/T) BLK WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE ECM/PCM EPS CONTROL UNIT (SI) FROM UNDER- DASH FUSE/ RELAY BOX (DIAGRAM 1 OF 3) FROM UNDER-DASH FUSE/RELAY BOX (DIAGRAM 1 OF 3) FRONT ACCESSORY POWER SOCKET OR CIGARETTE LIGHTER FRONT ACCESSORY POWER SOCKET RELAY FUEL PUMP FUSE 1 FUSE 10 FUSE 22 (NOT USED) FUSE 11 FUSE 38 FUSE 2 FUSE 23 FUSE 28 FUSE 29 FUSE 34 (NOT USED) FUSE 35 FUSE 9 FUSE 8 GRN WIRE GRY WIRE IGNITION KEY SWITCH IGNITION KEY SWITCH CONNECTOR (NOT USED) IGNITION SWITCH LOCK M/T A/T MICU MICU FUSE 4 MICU SRS WIPER MICU STS ODS ABS ORG/ WIRE P/W PGM-FI MAIN RELAY 2 POWER MIRROR SWITCH (4-DOOR) POWER WINDOW RELAY PPL REAR ACCESSORY POWER SOCKET RELAY RED WIRE SHIFT LOCK SOLENOID (A/T) STARTER CUT RELAY STEREO AMPLIFIER (4-DR: SI) TO UNDER-DASH FUSE/ RELAY BOX, FUSE 3 (DIAGRAM 3 OF 3) TO UNDER-DASH FUSE/RELAY BOX, FUSE 36, 37 (DIAGRAM 3 OF 3) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) WHT WIRE YAW-RATE LATERAL ACCELERATION SENSOR (SI) YEL WIRE

4 DOOR ALTERNATOR (DX, DX-G, LE, EX) ALTERNATOR CMP SENSOR BLK WIRE BLK/YEL WIRE BRAKE PEDAL POSITION SWITCH BRAKE PEDAL POSITION SWITCH (EX, LX, SI) BRN WIRE CANADA ELD UNIT EVAP CANISTER PURGE VALVE (DX, DX-G, LE, EX) EVAP CANISTER PURGE VALVE MAF/IAT SENSOR FROM IGNITION SWITCH (DIAGRAM 2 OF 3) FROM UNDER- DASH FUSE/ RELAY BOX (DIAGRAM 2 OF 3) FUSE 3 FUSE 36 FUSE 37 HAC LT GRN WIRE MAF/IAT SENSOR MICU ORG/ WIRE POWER MIRROR HEATERS SWITCH (CANADA: EX, LX, SI) POWER MIRROR SWITCH (EX, LX, SI; CANADA: DX, DX-G) RADIATOR FAN DIODE RADIATOR FAN RELAY FAN CONTROL RELAY REAR WINDOW DEFOGGER RELAY BLOWER MOTOR RELAY A/C COMPRESSOR CLUTCH RELAY REVERSE LOCKOUT SOLENOID SECONDARY UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPARTMENT) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF OF ENGINE COMPARTMENT) USA YEL WIRE

+B INTR LT +B RR FOG +B RR FOG +B D/L +B SMALL A/C COMPRESSOR CLUTCH RELAY A/C CONDENSER FAN RELAY ABS MODULATOR CONTROL UNIT AUXILIARY ELECTRIC WATER PUMP RELAY AUXILIARY UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF OF ENGINE COMPARTMENT) BATTERY BLK WIRE BLK/WHT WIRE BLOWER MOTOR RELAY BLU WIRE BRAIDED BRAKE PEDAL POSITION SWITCH CONSOLE ACCESSORY POWER SOCKET RELAY DC-DC CONVERTER ELECTRICAL LOAD DETECTOR (ELD) UNIT EPS CONTROL UNIT ETCS CNTRL RELAY FROM BATTERY (DIAGRAM 1 OF 3) FROM UNDER- DASH FUSE/ RELAY BOX, FUSE 29 (DIAGRAM 2 OF 3) FROM UNDER- HOOD FUSE/ RELAY BOX, MULTI-FUSE 1 (DIAGRAM 1 OF 3) FRONT ACCESSORY POWER SOCKET RELAY FRONT INDIVIDUAL MAP LIGHTS CEILING LIGHT FUSE 10 FUSE 12 FUSE 11 FUSE 16 (NOT USED) FUSE 17 (NOT USED) FUSE 18 FUSE 19 FUSE 20 FUSE 20 (NOT USED) FUSE 25 FUSE 21 FUSE 21 FUSE 18 FUSE 24 FUSE 27 FUSE 7 (NOT USED) FUSE 28 FUSE 29 FUSE 31 (NOT USED) FUSE 5 (NOT USED) FUSE 5 FUSE 6 FUSE 6 (NOT USED) FUSE 7 FUSE 8 FUSE 9 FUSE 22 GRN WIRE HAZARD WARNING SWITCH IGNITION COIL RELAY LT BLU WIRE MICU MICU +B DAY LT/SMART MICU +B H/L HI MAIN +B H/L LO MAIN MICU +B HAZ +B HORN MULTI FUSE 1 MULTI FUSE 2 MULTI FUSE 3 MULTI-FUSE 4 NOT USED NOT USED OPTION CONNECTOR (NOT USED) PGM-FI MAIN RELAY 1 PGM-FI SUB- RELAY RADIATOR FAN RELAY REAR WINDOW DEFOGGER RELAY RED WIRE SERVO UNIT STARTER STARTER SOLENOID TO AUXILIARY UNDER-HOOD BOX, FUSE 23 (DIAGRAM 3 OF 3) TO AUXILIARY UNDER-HOOD FUSE/RELAY BOX, FUSE 61 (DIAGRAM 3 OF 3) TO AUXILIARY UNDER-HOOD FUSE/RELAY BOX, FUSE 63 (DIAGRAM 3 OF 3) TO IGNITION SWITCH (DIAGRAM 2 OF 3) TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 2 OF 3) TO UNDER-HOOD FUSE/RELAY BOX MULTI-FUSE 3, 4 (DIAGRAM 1 OF 3) TRUNK LIGHT UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) WHT WIRE YEL WIRE

A/C COMPRESSOR CLUTCH RELAY AHB SERVO UNIT AUXILIARY ELECTRIC WATER PUMP RELAY AUXILIARY UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) AUXILIARY UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF OF ENGINE COMPARTMENT) BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLOWER MOTOR RELAY BLU WIRE BRAKE PEDAL POSITION SWITCH BRN WIRE BUZZER CANADA CLIMATE CONTROL UNIT DC-DC CONVERTER ELD UNIT FROM BATTERY (DIAGRAM 1 OF 3) FROM IGNITION SWITCH (DIAGRAM 2 OF 3) FROM UNDER- HOOD FUSE/ RELAY BOX (DIAGRAM 1 OF 3) FROM UNDER-DASH FUSE/RELAY BOX (DIAGRAM 2 OF 3) FUSE 23 FUSE 3 FUSE 36 FUSE 37 FUSE 61 FUSE 62 FUSE 63 GRN/YEL WIRE LT BLU WIRE LT GRN WIRE MAF/IAT SENSOR EVAP CANISTER PURGE VALVE SECONDARY MCM RELAY 1 MCM RELAY 2 MICU MICU HAC ORG/ WIRE POWER MIRROR HEATERS SWITCH (CANADA) POWER MIRROR SWITCH RADIATOR FAN DIODE RADIATOR FAN RELAY FAN CONTROL RELAY REAR WINDOW DEFOGGER RELAY SERVO UNIT UNDER HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPARTMENT) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) VBU WHT WIRE YEL WIRE

10 11 12 13 14 15 16 17 PPL BLK WIRE BLU WIRE BRN WIRE DOOR LOCK KNOB SWITCH DOOR LOCK RELAY DRIVER' DOOR LOCK ACTUATOR/KNOB SWITCH DRIVER'S DOOR UNLOCK RELAY FRONT PASSENGER'S DOOR LOCK ACTUATOR/KNOB SWITCH FUSE 10 FUSE 15 FUSE 16 FUSE 17 FUSE 19 FUSE 21 FUSE 25 GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN RELAY HOT AT ALL TIMES HOT IN ON OR START IG KEY SW VBU VBU B-CAN TRUNK SW AT-P IMMOBILIZER CIRCUIT JUNCTION CONNECTOR KEY KEY CYLINDER SWITCH LOCK LOW BEAM HEAD- LIGHT RELAY LT GRN WIRE MICU ORG/ WIRE P-GND P-GND P-GND PASSENGER'S DOOR UNLOCK RELAY PNK 5 6 7 8 9 WIRE PNK PNK WIRE PNK WIRE PPL RED WIRE RIGHT REAR DOOR LOCK ACTUATOR/KNOB SWITCH (4 DOOR) S GND TAILLIGHT RELAY UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNLOCK WHT WIRE YEL WIRE

4 DOOR BLK WIRE BLU WIRE BRN WIRE DOOR LOCK KNOB SWITCH DOOR LOCK RELAY DRIVER' DOOR LOCK ACTUATOR/KNOB SWITCH DRIVER'S DOOR UNLOCK RELAY FRONT PASSENGER'S DOOR LOCK ACTUATOR/KNOB SWITCH FUSE 10 FUSE 15 FUSE 16 FUSE 17 FUSE 19 FUSE 21 FUSE 25 GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN RELAY HOT AT ALL TIMES HOT IN ON OR START IMMOBILIZER CIRCUIT JUNCTION CONNECTOR KEY CYLINDER SWITCH LOCK LOCK (2 DOOR) (BEHIND LEFT KICK PANEL) LOCK PNK WIRE LOW BEAM HEAD- LIGHT RELAY LT BLU WIRE LT GRN WIRE MICU ORG/ WIRE P-GND P-GND P-GND PASSENGER'S DOOR UNLOCK RELAY PNK PNK WIRE PNK WIRE PPL RED WIRE RIGHT REAR DOOR LOCK ACTUATOR/KNOB SWITCH (4 DOOR) S GND TAILLIGHT RELAY TRUNK LID OPENER RELAY (EX, SI) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNLOCK UNLOCK KEY WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE DOOR LOCK KNOB SWITCH DOOR LOCK RELAY DRIVER' DOOR LOCK ACTUATOR/KNOB SWITCH DRIVER'S DOOR UNLOCK RELAY FRONT PASSENGER'S DOOR LOCK ACTUATOR/KNOB SWITCH FUSE 10 FUSE 15 FUSE 16 FUSE 17 FUSE 19 FUSE 25 GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN RELAY HOT AT ALL TIMES HOT IN ON OR START IMMOBILIZER CIRCUIT JUNCTION CONNECTOR KEY KEY CYLINDER SWITCH LOCK LOCK PNK WIRE LOW BEAM HEAD- LIGHT RELAY LT BLU WIRE LT GRN WIRE MICU ORG/ WIRE P-GND P-GND P-GND PASSENGER'S DOOR UNLOCK RELAY PNK PNK WIRE PNK WIRE PPL RED WIRE RIGHT REAR DOOR LOCK ACTUATOR/KNOB SWITCH S GND TAILLIGHT RELAY TRUNK LID OPENER RELAY (US) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNLOCK WHT WIRE YEL WIRE