Honda Civic VIII (2005-2009) (near under-dash junction box) Wiring diagrams

2-DOOR: LX, EX ALTERNATOR ALTERNATOR CNTRL SIG ALTERNATOR FR SIGNAL ALTERNATOR L SIGNAL BATTERY BLK WIRE BLK/YEL WIRE BLU WIRE BOX (UNDER LEFT SIDE OF DASH) BRN WIRE CAN L CHARGING SYSTEM IND CIRCUIT/ CONTROLLER AREA NETWORK CIRCUIT ECM/PCM (LEFT SIDE OF ENGINE COMPT) ELD UNIT (USA) ELD UNIT INPUT FR IG FUSE 10 FUSE 3 GAUGE CONTROL MODULE (TACH) GRN WIRE HOT IN ON OR START INSTRUMENT CLUSTER SYSTEM JUNCTION CONNECTOR MICU MULTI FUSE 1 NCA WIRE ORG/ WIRE POWER WINDOW SYSTEM RED WIRE UNDER- HOOD FUSE/ RELAY BOX (ON LEFT SIDE OF ENGINE UNDER-DASH FUSE/RELAY WARNING DRIVE CIRCUIT WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

ALTERNATOR ALTERNATOR CNTRL SIG ALTERNATOR FR SIGNAL ALTERNATOR L SIGNAL BATTERY BLK WIRE BLK/YEL WIRE BLU WIRE BOX (UNDER LEFT SIDE OF DASH) BRN WIRE CAN L CHARGING SYSTEM IND CIRCUIT/ CONTROLLER AREA NETWORK CIRCUIT ECM/PCM (LEFT SIDE OF ENGINE COMPT) ELD UNIT ELD UNIT INPUT FUSE 10 FUSE 3 GAUGE CONTROL MODULE (TACH) GRN WIRE HOT IN ON OR START IG FR INSTRUMENT CLUSTER SYSTEM JUNCTION CONNECTOR MICU MULTI FUSE 1 NCA WIRE ORG/ WIRE POWER WINDOW SYSTEM RED WIRE UNDER- HOOD FUSE/ RELAY BOX (ON LEFT SIDE OF ENGINE UNDER-DASH FUSE/RELAY WARNING DRIVE CIRCUIT WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

+2 -1 A/T GEAR POSITION DIMMING CIRCUIT A/T GEAR POSITION IND DRIVE CIRCUIT APP SENSOR (UNDER LEFT SIDE OF DASH) AREA NETWORK CONTROLLER ATF TEMPERATURE SENSOR BLK WIRE BLK/BLU WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE COMPULSORY TURNING- OFF CIRCUIT DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) ENGINE CONTROLS SYSTEM EOP SENSOR (TOP RIGHT FRONT OF ENGINE) FAIL SAFE CIRCUIT FAST CONTROLLER AREA NETWORK TRANSCEIVER GAUGE CONTROL MODULE (TACH) GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE INPUT SHAFT (MAINSHAFT) SPEED SENSOR (ON TRANS HOUSING) JUNCTION JUNCTION CONNECTOR LT BLU WIRE MAP SENSOR (REAR OF ENGINE) ORG/ WIRE OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR (ON TRANS HOUSING) PNK WIRE PPL RED WIRE RED/BLK WIRE TRANSMISSION RANGE SWITCH (ON TRANS HOUSING) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED 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

1 2 3 4 5 6 7 8 9 10 11 12 + B BACK UP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ILL- RR L- FR L- SCTY RADIO 1 2 3 SIG SHIELD (AM/FM) ANT B + AM/FM ANTENNA AMPLIFIER ANTENNA OUTPUT SHIELD POWER INPUT AUD REMOTE GND AUD REMOTE SW PNK WIRE AUDIO UNIT (EXCEPT NAVIGATION) NAVIGATION UNIT (USA: EX) AUX L AUX R AUX DET AUXILIARY JACK ASSEMBLY BACK UP LAMP BLK WIRE BLU WIRE BRN WIRE CABLE REEL (IN STEERING COLUMN) CHANNEL DOWN SWITCH CHANNEL UP SWITCH DLC (UNDER LEFT SIDE OF DASH) ECM/PCM (LEFT SIDE OF ENGINE COMPT) EXTERIOR LIGHTS SYSTEM (BACK UP LAMP CIRCUIT) PPL FM SIG IN AM SIG IN FM SIGNAL WINDOW ANTENNA AM SIGNAL WINDOW ANTENNA FRONT PASSENGER'S DOOR SPEAKER FUSE 35 GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) FUSE 23 HOT IN ACCY OR ON K-LINE FR R- RR R- GND ILL+ RR L+ FR L+ VSP ACC RADIO FR R+ RR R+ +B BACK UP LEFT REAR SPEAKER LEFT TWEETER DRIVER'S DOOR SPEAKER LI PPL LT BLU WIRE LT GRN WIRE MICU MODE SWITCH NAVIGATION SYSTEM NCA WIRE ORG/ WIRE P-GND PNK WIRE PPL RADIO REMOTE SWITCH (EX) RADIO SW VBU REAR WINDOW RED WIRE RED/BLK WIRE RIGHT REAR SPEAKER RIGHT TWEETER STEERING WHEEL) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) VOLUME DOWN SWITCH VOLUME UP SWITCH VSS OUT WHT WIRE YEL WIRE

+B HORN 15 16 PNK WIRE 4 DOOR BATTERY BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN (OR BLK) WIRE BRN WIRE COMBI GND S-NET S-NET DOOR LOCK KNOB SWITCH DRIVER'S DOOR LOCK ACTUATOR/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 10 FUSE 2 FUSE 23 FUSE 12 FUSE 24 FUSE 3 FUSE 36 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IG KEY SW JUNCTION CONNECTOR KEY CYLINDER SWITCH LEFT REAR DOOR SWITCH (4 DOOR) LOCK LT GRN WIRE MICU MULTI FUSE 1 MULTI FUSE 2 ORG/ WIRE PNK WIRE POWER WINDOW MASTER SWITCH PPL RED WIRE RIGHT REAR DOOR SWITCH (4 DOOR) STARTER STARTER CUT RELAY STARTER MOTOR STARTER SOLENOID STOP SW TRUNK LATCH SWITCH UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) UNLOCK WHT WIRE YEL 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

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