Honda Civic VIII facelift (2008-2011) ignition key switch Wiring diagrams

4 DOOR B-CAN BLK WIRE BLU WIRE BRN WIRE CEILING LIGHT COMPUTER DATA LINES SYSTEM DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR SWITCH DRSWAS DRSWDR DRSWRA DRSWRD FRONT INDIVIDUAL MAP LIGHTS (USA: GX, LX) FRONT PASSENGER'S DOOR SWITCH (IN RIGHT "B" PILLAR) FUSE 22 GRN WIRE GRY WIRE HOT AT ALL TIMES IG KEY SW IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT INTR LT- LEFT REAR DOOR SWITCH LOCK LT BLU WIRE LT GRN WIRE MICU OFF OFF PNK DOOR ON WIRE ON OFF PNK WIRE RED WIRE RIGHT REAR DOOR SWITCH SIL DR LOCK SIL DR UNLOCK TRUNK LATCH SWITCH TRUNK LATCH SWITCH (MIDDLE OF TRUNK LID) TRUNK LIGHT TRUNK SW UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) UNLOCK USA: LX, GX WHT (OR LT BLU) WIRE WHT WIRE

3 1 ON 4 DOOR B-CAN BLK WIRE BLU WIRE BRN WIRE CEILING LIGHT COMPUTER DATA LINES SYSTEM DOOR SWITCH (IN RIGHT "B" PILLAR) DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR SWITCH DRSWAS DRSWDR DRSWRA DRSWRD FRONT INDIVIDUAL MAP LIGHTS FRONT PASSENGER'S FUSE 22 GRN WIRE GRY WIRE HOT AT ALL TIMES IG KEY SW IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT INTERIOR LIGHT SWITCH INTR LT- LATCH SWITCH (MIDDLE OF TRUNK LID) LEFT REAR DOOR SWITCH LOCK LT BLU WIRE LT GRN WIRE MICU MOONROOF SWITCH OFF OFF PNK DOOR ON WIRE ON OFF PNK WIRE RED WIRE RIGHT REAR DOOR SWITCH SIL DR LOCK SIL DR UNLOCK TRUNK LID OPENER SOLENOID TRUNK LIGHT TRUNK SW UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) UNLOCK WHT (OR LT BLU) WIRE WHT WIRE

B-CAN BLK WIRE BLU WIRE BRN WIRE CEILING LIGHT COMPUTER DATA LINES SYSTEM DOOR SWITCH (ON RIGHT "B" PILLAR) DRIVER'S DOOR LOCK KNOB SWITCH DRIVER'S DOOR SWITCH DRSWAS DRSWDR DRSWR A DRSWRD FRONT INDIVIDUAL MAP LIGHTS FRONT PASSENGER'S FUSE 22 GRN WIRE GRY WIRE HOT AT ALL TIMES IG KEY SW IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT INTR LT- LEFT REAR DOOR SWITCH LOCK LT BLU WIRE LT GRN WIRE MICU OFF OFF PNK DOOR ON WIRE ON OFF PNK WIRE RED WIRE RIGHT REAR DOOR SWITCH SIL DR LOCK SIL DR UNLOCK TRUNK LID OPENER SOLENOID/ LATCH SWITCH (MIDDLE OF TRUNK LID) TRUNK LIGHT TRUNK SW UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) UNLOCK WHT WIRE

11 7 (4 DOOR) (2 DOOR) 2 DOOR: LX,USA:EX, EX-L;SI 4 DOOR ASSEMBLY) (4 DOOR: RIGHT SIDE OF TRUNK LID) AUDIO UNIT (W/O NAVIGATION) NAVIGATION UNIT (W/NAVIGATION) BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN WIRE CONTROLLER AREA CONTROLLER AREA NETWORK CONTROLLER DOOR LOCK KNOB SWITCH DRIVER'S DOOR LOCK SWITCH DRIVER'S DOOR SWITCH (IN LEFT "B" PILLAR) FRONT PASSENGER'S DOOR LOCK SWITCH FRONT PASSENGER'S DOOR SWITCH (IN RIGHT "B" PILLAR) FRONT PASSENGER'S POWER WINDOW SWITCH FUSE 12 GAUGE CONTROL MODULE (SPEEDO) GAUGE CONTROL MODULE (TACH) GRN (OR BLU) WIRE GRN WIRE GRY WIRE GX,LX,LX-S) (2 DOOR: RIGHT SIDE OF TRUNK LID, ON KEY CYLINDER HOT AT ALL TIMES HOT AT ALL TIMES UNDER- HOOD FUSE/ FUSE 23 RELAY BOX (LEFT SIDE OF ENGINE COMPT) IGNITION KEY SWITCH IMMOBILIZER KEYLESS CONTROL UNIT (ON STEERING COLUMN) LEFT REAR DOOR LOCK ACTUATOR/ KNOB SWITCH (4 DOOR) (REAR OF LEFT REAR DOOR) LEFT REAR DOOR SWITCH (4-DOOR) (IN LEFT "C" PILLAR) 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 (4-DOOR) (IN RIGHT "C" PILLAR) SECURITY HOOD SWITCH (FRONT CENTER OF ENGINE COMPT) SECURITY INDICATOR SECURITY INDICATOR BLINKING CIRCUIT SWITCH (USA: TRUNK KEY CYLINDER TRUNK LATCH SWITCH (USA: GX,LX,LX-S) (MIDDLE OF TRUNK LID) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNLOCK WHT WIRE YEL WIRE YEL/RED WIRE

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

BLK WIRE CABLE REEL CLIMATE CONTROL UNIT DRIVER'S SEAT BELT BUCKLE SWITCH DRIVER'S SEAT HEATER RELAY(HIGH) (SEAT HEATERS) FRONT PASSENGER'S DOOR LOCK ACTUATOR/KNOB SWITCH FRONT PASSENGER'S POWER WINDOW SWITCH FRONT PASSENGER'S SEAT BELT BUCKLE SWITCH GAUGE CONTROL MODULE (SPEEDO) GAUGE CONTROL MODULE (TACH) HIGH MOUNT BRAKE LEFT LIGHT REAR LEFT SIDE LICENSE MARKER PLATE LIGHT LIGHT IGNITION KEY SWITCH LEFT BRAKE LIGHT/ TAILLIGHT LEFT INNER TAILLIGHT LEFT REAR DOOR LOCK ACTUATOR/ KNOB SWITCH LEFT REAR TURN LEFT SIGNAL BACKUP LIGHT LIGHT LT GRN WIRE MICU MICU SERVICE CHECK CONNECTOR ODS UNIT RIGHT BACKUP LIGHT RIGHT BRAKE LIGHT/ TAILLIGHT RIGHT REAR DOOR LOCK ACTUATOR/ KNOB SWITCH RIGHT REAR RIGHT SIDE LICENSE MARKER PLATE LIGHT LIGHT RIGHT REAR TURN RIGHT SIGNAL INNER LIGHT TAILLIGHT S GND SEAT) STEERING WHEEL CRUISE CONTROL COMBINATION SWITCH TRUNK LID OPENER SOLENOID/ LATCH SWITCH WHT/BLK WIRE YAW RATE-LATERAL ACELERATION SENSOR YEL WIRE

13 18 (2-DOOR) B-CAN BLK WIRE BLK/YEL WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN WIRE BRN/YEL WIRE CIRCUIT COMPUTER DATA LINES SYSTEM CONTROLLER AREA ENGINE CONTROLS SYSTEM EXCEPT GX FUEL PRESSURE REGULATOR LEAK CHECK CONNECTOR (GX) (FRONT OF ENGINE COMPT) FUEL PUMP FUEL SHUT-OFF SOLENOID VALVE RELAY FUEL TANK INTERNAL SOLENOID VALVE (LEFT SIDE OF TRUNK) (GX) FUSE 19 FUSE 23 FUSE 2 FUSE 5 GAUGE CONTROL MODULE (TACH) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDER- DASH FUSE/ RELAY BOX (UNDER LEFT END OF DASH) HOT IN ON OR START IG S-NET KEY SW IGNITION KEY SWITCH IMMOBILIZER KEYLESS CONTROL UNIT (ON STEERING COLUMN) LT BLU WIRE LT GRN WIRE MICU NETWORK CONTROLLER ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PGM-FI MAIN RELAY 1 PGM-FI MAIN RELAY 2 PGMETCS PNK LT PNK PNK WIRE PNK PNK PNK WIRE PNK WIRE S-NET B-CAN K-LINE IG KEY SW LG PNK WIRE UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) VBU WARNING DRIVE CIRCUIT IMMOBILIZER SYSTEM INDICATOR WHT WIRE YEL WIRE

1 2 3 4 5 6 7 VBU AUXILIARY UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) B-CAN BLK WIRE BLK/YEL WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN WIRE BRN/YEL WIRE CIRCUIT COMPUTER DATA LINES SYSTEM CONTROLLER AREA DLC (UNDER LEFT SIDE OF DASH) ENGINE CONTROLS SYSTEM FUEL PUMP FUEL TANK UNIT (INSIDE FUEL TANK) FUSE 19 FUSE 2 FUSE 23 GAUGE CONTROL MODULE (TACH) GRN WIRE HOT AT ALL TIMES HOT IN ON OR START IG KEY SW IGNITION KEY SWITCH IMMOBILIZER KEYLESS CONTROL UNIT (IN STEERING COLUMN) IMMOBILIZER SYSTEM INDICATOR JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE LT PNK PNK WIRE MICU MRLY NETWORK CONTROLLER ORG/ WIRE PARKING BRAKE SWITCH (AT BASE OF PARK LEVER) PCM (LEFT SIDE OF ENGINE COMPT) PGM-FI MAIN RELAY 1 PGM-FI MAIN RELAY 2 PNK PNK PNK WIRE PNK S-NET IMOFLR WIRE PNK WIRE S-NET S-NET B-CAN K-LINE IG KEY SW LG PNK WIRE UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) VBU WARNING DRIVE CIRCUIT WHT WIRE YEL WIRE YEL/GRN WIRE

A/C COMPRESSOR DRIVER BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CONSOLE ACCESSORY POWER SOCKET CONSOLE ACCESSORY POWER SOCKET RELAY EXCEPT NAVIGATION FROM UNDER-DASH FUSE/RELAY BOX (DIAGRAM 1 OF 5) FRONT ACCESSORY POWER SOCKET FRONT ACCESSORY POWER SOCKET RELAY FUSE 10 FUSE 22 FUSE 23 FUSE 28 FUSE 29 FUSE 34 (NOT USED) FUSE 35 FUSE 8 (NOT USED) GRN WIRE GRY WIRE IGNITION KEY SWITCH IGNITION SWITCH LOCK LT BLU WIRE LT GRN WIRE MICU ACC KEY LOCK MICU ATP-NP STS MICU FUSE 2 FUSE 1 MICU FUSE 9 MICU FUSE FUEL PUMP FUEL PUMP MICU WIPER ODS VSA ORG/ WIRE P/W PCM POWER MIRROR SWITCH PPL RED WIRE SHIFT BCM LOCK MODULE SOLENOID SRS UNIT STARTER STARTER CUT RELAY STARTER SOLENOID TO FUSE 11 (DIAGRAM 4 OF 5) FUSE 38 TO MICU (DIAGRAM 4 OF 5) TO UNDER-DASH FUSE/RELAY BOX, FUSE 3 (DIAGRAM 3 OF 5) TO UNDER-DASH FUSE/RELAY BOX, FUSE 36 (DIAGRAM 3 OF 5) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) WHT WIRE YEL (OR BLU) WIRE YEL WIRE YEL/BLK WIRE

11 7 (4 DOOR) (2 DOOR) 2 DOOR: LX,USA:EX, EX-L;SI 4 DOOR ASSEMBLY) (4 DOOR: RIGHT SIDE OF TRUNK LID) AUDIO UNIT (W/O NAVIGATION) NAVIGATION UNIT (W/NAVIGATION) BLK WIRE BLU WIRE BODY CONTROLLER AREA NETWORK TRANSCEIVER BRN WIRE CONTROLLER AREA CONTROLLER AREA NETWORK CONTROLLER DOOR LOCK KNOB SWITCH DRIVER'S DOOR LOCK SWITCH DRIVER'S DOOR SWITCH (IN LEFT "B" PILLAR) FRONT PASSENGER'S DOOR LOCK SWITCH FRONT PASSENGER'S DOOR SWITCH (IN RIGHT "B" PILLAR) FRONT PASSENGER'S POWER WINDOW SWITCH FUSE 12 GAUGE CONTROL MODULE (SPEEDO) GAUGE CONTROL MODULE (TACH) GRN (OR BLU) WIRE GRN WIRE GRY WIRE GX,LX,LX-S) (2 DOOR: RIGHT SIDE OF TRUNK LID, ON KEY CYLINDER HOT AT ALL TIMES HOT AT ALL TIMES UNDER- HOOD FUSE/ FUSE 23 RELAY BOX (LEFT SIDE OF ENGINE COMPT) IGNITION KEY SWITCH IMMOBILIZER KEYLESS CONTROL UNIT (ON STEERING COLUMN) LEFT REAR DOOR LOCK ACTUATOR/ KNOB SWITCH (4 DOOR) (REAR OF LEFT REAR DOOR) LEFT REAR DOOR SWITCH (4-DOOR) (IN LEFT "C" PILLAR) 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 (4-DOOR) (IN RIGHT "C" PILLAR) SECURITY HOOD SWITCH (FRONT CENTER OF ENGINE COMPT) SECURITY INDICATOR SECURITY INDICATOR BLINKING CIRCUIT SWITCH (USA: TRUNK KEY CYLINDER TRUNK LATCH SWITCH (USA: GX,LX,LX-S) (MIDDLE OF TRUNK LID) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNLOCK WHT WIRE YEL WIRE YEL/RED WIRE