Honda Civic VIII (2005-2009) ignition key switch Wiring diagrams

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

A/C COMPRESSOR DRIVER AUDIO UNIT (EXCEPT USA NAVIGATION) NAVIGATION UNIT (USA) BCM MODULE SHIFT LOCK SOLENOID BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CONSOLE ACCESSORY POWER SOCKET CONSOLE ACCESSORY POWER SOCKET RELAY EPS CONTROL UNIT 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 11 FUSE 38 FUSE 22 FUSE 23 FUSE 26 FUSE 28 FUSE 29 FUSE 34 (NOT USED) FUSE 35 GRN WIRE GRY WIRE IGNITION KEY SWITCH IGNITION SWITCH LOCK LT GRN WIRE MICU ACC KEY LOCK MICU FUSE 2 MICU FUSE 4 MICU FUSE 9 FUSE 8 (NOT USED) MICU SRS WIPER MICU STS NOT USED NOT USED ODS ABS ODS UNIT ORG/ WIRE P/W PCM PGM-FI MAIN RELAY 2 POWER MIRROR SWITCH POWER WINDOW MASTER SWITCH POWER WINDOW RELAY PPL RED WIRE RIGHT END OF DASH) SERVO UNIT STARTER CUT RELAY TO UNDER-DASH FUSE/RELAY BOX, FUSE 3 (DIAGRAM 3 OF 3) TO UNDER-DASH FUSE/RELAY BOX, FUSE 36 (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 YEL ( OR GRY) WIRE YEL WIRE YEL/BLK WIRE

10 11 12 13 14 15 16 17 PPL 11 7 (4 DOOR) (2 DOOR) BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN WIRE CONTROLLER AREA CONTROLLER AREA NETWORK TRANSCEIVER DRIVER'S DOOR LOCK SWITCH DRIVER'S DOOR SWITCH EXCEPT DX-G FRONT PASSENGER'S DOOR LOCK SWITCH FRONT PASSENGER'S DOOR SWITCH FRONT PASSENGER'S POWER WINDOW SWITCH FUSE 23 FUSE 12 GAUGE CONTROL MODULE (SPEEDO) GAUGE CONTROL MODULE (TACH) GRN (OR BLU) WIRE GRN WIRE GRY WIRE HORN HOT AT ALL TIMES IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT IMMOBILIZER KEYLESS CONTROL UNIT (ON STEERING COLUMN) LEFT REAR DOOR LOCK ACTUATOR/ KNOB SWITCH (4 DOOR) LEFT REAR DOOR SWITCH (4 DOOR) LOCK LT GRN WIRE NETWORK CONTROLLER ORG/ WIRE PNK 5 6 7 8 9 WIRE PNK B-CAN WIRE PNK PNK PNK WIRE PNK WIRE POWER WINDOW MASTER SWITCH PPL RIGHT REAR DOOR SWITCH (4 DOOR) SECURITY INDICATOR SECURITY INDICATOR BLINKING CIRCUIT TRUNK LATCH SWITCH UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) UNLOCK WHT WIRE YEL WIRE

AUDIO UNIT (W/O NAVIGATION) UNIT NAVIGATION (W/ NAVIGATION) BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN WIRE CONTROLLER AREA CONTROLLER AREA NETWORK TRANSCEIVER DOOR LOCK KNOB SWITCH DRIVER'S DOOR LOCK SWITCH DRIVER'S DOOR SWITCH FRONT PASSENGER'S DOOR LOCK SWITCH FRONT PASSENGER'S DOOR SWITCH FRONT PASSENGER'S POWER WINDOW SWITCH FUSE 23 FUSE 12 GAUGE CONTROL MODULE (SPEEDO) GAUGE CONTROL MODULE (TACH) GRN (OR BLU) WIRE GRN WIRE GRY WIRE HORN HOT AT ALL TIMES IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT IMMOBILIZER KEYLESS CONTROL UNIT (ON STEERING COLUMN) LEFT REAR DOOR LOCK ACTUATOR/ KNOB SWITCH (4 DOOR) LEFT REAR DOOR SWITCH (4 DOOR) LOCK LT BLU WIRE LT GRN WIRE NETWORK CONTROLLER ORG/ WIRE PNK B-CAN WIRE PNK PNK PNK WIRE PNK WIRE POWER WINDOW MASTER SWITCH 11 7 (4 DOOR) (2 DOOR) PPL RIGHT REAR DOOR SWITCH (4 DOOR) SECURITY HOOD SWITCH SECURITY INDICATOR SECURITY INDICATOR BLINKING CIRCUIT TRUNK KEY CYLINDER SWITCH (LX, 4-DOOR EX, 4-DOOR SI) TRUNK LATCH SWITCH (LX) TRUNK LID OPENER SOLENOID/ LATCH SWITCH (EX, SI) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) UNLOCK WHT WIRE YEL WIRE YEL/RED WIRE

AUDIO UNIT (W/O NAVIGATION) UNIT NAVIGATION (W/ NAVIGATION) BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN WIRE CANADA CONTROLLER AREA CONTROLLER AREA NETWORK TRANSCEIVER DOOR LOCK KNOB SWITCH DRIVER'S DOOR LOCK SWITCH DRIVER'S DOOR SWITCH FRONT PASSENGER'S DOOR LOCK SWITCH FRONT PASSENGER'S DOOR SWITCH FRONT PASSENGER'S POWER WINDOW SWITCH FUSE 23 FUSE 12 GAUGE CONTROL MODULE (SPEEDO) GAUGE CONTROL MODULE (TACH) GRN WIRE GRY WIRE HORN HOT AT ALL TIMES IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT IMMOBILIZER KEYLESS CONTROL UNIT (ON STEERING COLUMN) KEY LEFT REAR DOOR LOCK ACTUATOR/ KNOB SWITCH LEFT REAR DOOR SWITCH LOCK LT BLU WIRE LT GRN WIRE NETWORK CONTROLLER ORG/ WIRE PNK B-CAN WIRE PNK PNK PNK WIRE PNK WIRE POWER WINDOW MASTER SWITCH PPL RIGHT REAR DOOR SWITCH SECURITY HOOD SWITCH SECURITY INDICATOR SECURITY INDICATOR BLINKING CIRCUIT TRUNK KEY CYLINDER SWITCH TRUNK LATCH SWITCH (CANADA) TRUNK LID OPENER SOLENOID/ LATCH SWITCH (USA) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) UNLOCK USA WHT WIRE YEL WIRE YEL/RED WIRE

AREA NETWORK CONTROLLER BKSW BKSWNC BLK WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN WIRE CAN L CHARGING SYSTEM INDICATOR LOW OIL PRESSURE INDICATOR COMPUTER DATA LINE SYSTEM CONTROLLER AREA NETWORK CONTROLLER DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) GAUGE CONTROL MODULE (SPEEDO) GAUGE CONTROL MODULE (TACH) GRN WIRE IGNITION KEY SWITCH JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE MIL INDICATOR MOONROOF CONTROL UNIT (CENTER REAR OF ROOF) MOONROOF CUT RELAY (UNDER LEFT SIDE OF DASH) OIL PRESSURE SWITCH (SI) (NEAR OIL FILTER) (EXCEPT SI) (TOP LEFT REAR OF ENGINE) OPSW ORG/ WIRE PNK PNK WIRE PNK WIRE POWER WINDOW CUT RELAY (UNDER LEFT SIDE OF DASH) POWERTRAIN CONTROL MODULE (LEFT SIDE OF ENGINE COMPARTMENT) RED WIRE RED/BLK WIRE RED/WHT WIRE REMOTE STARTING SYSTEM IN-LINE FUSE (UNDER LEFT SIDE OF DASH) S-NET SHIFT LOCK SOLENOID (UNDER CENTER CONSOLE) SHIFT LOCK SOLENOID CUT RELAY (UNDER LEFT SIDE OF DASH) SLS+ UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) W/O SI W/ SI WARNING DRIVE CIRCUIT WHT WIRE WHT/BLK WIRE WIPER/WASHER SWITCH YEL WIRE YEL/BLK WIRE YEL/RED WIRE

ATP-P BKSW ILU ATP-P BLK WIRE BLU WIRE BLU/BLK WIRE BRAKE PEDAL POSITION SWITCH ECM/PCM (LEFT SIDE OF ENGINE COMPT) FUSE 10 FUSE 12 FUSE 35 GRN WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HOUSING) IGKEY SW IGNITION KEY SWITCH KEY INTERLOCK SOLENOID KEYSOL LT BLU WIRE LT GRN WIRE MULTIPLEX CONTROL UNIT P-PINSW PARK PIN SWITCH PNK WIRE PPL RED WIRE SHIFT LOCK SOLENOID STOP LIGHT TRANSMISSION RANGE SWITCH (ON TRANSMISSION) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) W/O GX W/ GX WHT WIRE WHT/BLK WIRE YEL WIRE

A/T GEAR POSITION INDICATOR PANEL LIGHT/PARK PIN SWITCH (UNDER CENTER CONSOLE) ATP-P BKSW ILU ATP-P BLK WIRE BLU WIRE BLU/BLK WIRE BRAKE PEDAL POSITION SWITCH BRN WIRE FUSE 10 FUSE 12 FUSE 35 GRN WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HOUSING) IGKEY SW IGNITION KEY SWITCH KEY INTERLOCK SOLENOID KEYSOL LT BLU WIRE LT GRN WIRE MULTIPLEX CONTROL UNIT P-PINSW PARK PIN SWITCH PCM (LEFT SIDE OF ENGINE COMPT) PNK WIRE PPL RED WIRE SHIFT LOCK SOLENOID STOP LIGHT TRANSMISSION RANGE SWITCH (ON TRANSMISSION) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

BEEPER BLK WIRE BLU WIRE BRN WIRE CAN L CAN-H CIRCUIT COMBINATION LIGHT SWITCH COMPUTER DATA LINES SYSTEM DRIVE CIRCUIT DRIVER'S DOOR SWITCH DRIVER'S SEAT BELT BUCKLE SWITCH (UNDER DRIVER'S SEAT) DRSWDR ECM/PCM (LEFT SIDE OF ENGINE COMP) F-CAN+ F-CAN- FLBC FLBO FRBC FRBO FAST CONTROLLER AREA NETWORK TRANSCEIVER FRONT PASSENGER'S SEAT BELT BUCKLE SWITCH (UNDER FRONT PASSENGER'S SEAT) FUSE 10 FUSE 23 GAUGE CONTROL MODULE SWITCH/KEY LIGHT GRN WIRE GRY WIRE H/L OFF SW H/L ON LIGHT HEADLIGHT SWITCH HEADLIGHTS HOT AT ALL TIMES HOT IN ON OR START IG KEY SW IGNITION KEY SWITCH LIGHTS ON IND LOW OIL PRESSURE IND LT GRN WIRE MICU OFF OFF LOW LOW OIL PRESSURE SWITCH (SI) (NEAR OIL FILTER) (EXCEPT SI) (TOP LEFT REAR OF ENGINE) OPSW ORG/ WIRE PNK IGNITION KEY SWITCH WIRE PNK WIRE POWER WINDOW SYSTEM (2 DOOR: LX, EX, SI) RED WIRE RED(OR BRN) WIRE SEAT BELT REMINDER IND SMALL LIGHT DIMMING CIRCUIT SMALL LT SW COMBI GND LIGHT SRS UNIT (UNDER MIDDLE OF DASH) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX UNDER-HOOD FUSE/RELAY BOX VBU WARNING DRIVE CIRCUIT WHT WIRE WHT(OR BRN) WIRE YEL WIRE YEL/RED WIRE

B-CAN BEEPER BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK CONTROLLER BRN WIRE CAN L CAN-H CANADA CIRCUIT COMBINATION LIGHT SWITCH DOOR OPEN INDICATOR DRIVE CIRCUIT DRIVER'S DOOR SWITCH (ON LEFT "B" PILLAR) DRIVER'S SEAT BELT BUCKLE SWITCH (UNDER DRIVER'S SEAT) DRSWDR DRSWAS DRSWRD F-CAN+ F-CAN- FLBC FLBO FRBC FRBO FAST CONTROLLER AREA NETWORK TRANSCEIVER FRONT PASSENGER'S DOOR SWITCH (ON RIGHT "B" PILLAR) FRONT PASSENGER'S SEAT BELT BUCKLE SWITCH (UNDER RIGHT FRONT SEAT) FUSE 10 FUSE 23 GAUGE CONTROL MODULE GRN WIRE GRY WIRE H/L OFF SW H/L ON LIGHT HEADLIGHT SWITCH HEADLIGHTS HOT AT ALL TIMES HOT IN ON OR START IG KEY SW IGNITION KEY SWITCH LEFT REAR DOOR SWITCH (ON LEFT "C" PILLAR) LIGHTS ON IND LOW OIL PRESSURE IND LT GRN WIRE MICU OFF OFF LOW LOW OIL PRESSURE SWITCH OPSW ORG/ WIRE PCM (LEFT SIDE OF ENGINE COMP) PNK IGNITION KEY SWITCH WIRE PNK PNK WIRE PNK WIRE RED WIRE RED(OR BRN) WIRE RELAY BOX (LEFT REAR OF ENGINE COMP) RIGHT REAR DOOR SWITCH (ON RIGHT "C" PILLAR) SEAT BELT REMINDER IND SMALL LIGHT DIMMING CIRCUIT SMALL LT SW COMBI GND LIGHT SRS UNIT (UNDER MIDDLE OF DASH) STABILIZE TRUNK DRSWRA SW TRUNK LATCH SWITCH TRUNK LID OPENER SOLENOID/LATCH SWITCH TRUNK OPEN INDICATOR UNDER- HOOD FUSE/ UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX USA VBU WARNING DRIVE CIRCUIT WHT WIRE WHT(OR BRN) WIRE YEL WIRE YEL/RED WIRE