Honda Civic VII facelift (2003-2006) multiplex control unit Wiring diagrams

9 7 12 DLC (UNDER CENTER OF DASH) AIR CONDITIONING SYSTEM ATPNP NEP BKSW RSCD VREF TMB TMA BK SW CCS NEP BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BOX (UNDER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/YEL WIRE CRUISE CONTROL SYSTEM CVT DRIVE PULLEY SPEED SENSOR CVT DRIVEN PULLEY SPEED SENSOR CVT SPEED SENSOR 1 CVT SPEED SENSOR 2 DIMMING CIRCUIT DN LS - DR LS - ENGINE COOLANT TEMPERATURE (ECT) SENSOR (REAR OF ENGINE) FUSE 4 FUSE 10 FUSE 7 FUSE 9 GAUGE ASSEMBLY GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INTAKE AIR TEMPERATURE (IAT) SENSOR (ON CENTER OF ENGINE) J/C K-LINE WEN LT BLU WIRE LT GRN WIRE MAP MAP SENSOR (LEFT REAR SIDE OF ENGINE) MCM (BEHIND GLOVE BOX) MULTIPLEX CONTROL UNIT NDRSG VELSG SCS ATPFWD ATPD ATPS ATPR ATPL ATPNP PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RSCD VREF RSCDC TMB TMA SC LS + SOL INH CAS B CAS A DR LS + TP SENSOR (ON THROTTLE BODY) TRANSMISSION CONTROL MODULE TRANSMISSION RANGE SWITCH (ON TRANSAXLE HOUSING) UNDERDASH FUSE/ RELAY UNDERHOOD FUSE/ RELAY BOX VBU SEFMJ VEL NDN NDR SC LS - IAT TPS MAP PB ECT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

15 1 DLC (UNDER CENTER 2 (OR L) (OR S) ANTI-THEFT, ENGINE CONTROLS SYSTEMS BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/YEL WIRE CRUISE CONTROL SYSTEM CRUISE CONTROL UNIT (UNDER LEFT SIDE OF DASH) CVT CVT CONTROL VALVES, INHIBITOR SOLENOID ASSEMBLY (ON TRANSMISSION HOUSING) CVT DRIVE PULLEY SPEED SENSOR CVT DRIVEN PULLEY SPEED SENSOR CVT SPEED SENSOR 1 CVT SPEED SENSOR 2 CVT PULLEY PRESS CVT SPEED CHANGE ECT SENSOR (REAR OF ENGINE) PRESS DIMMING CIRCUIT DX, GX FUSE 17 FUSE 10 FUSE 7 FUSE 6 GAUGE ASSEMBLY GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START HX, LX, EX INHIBITOR SOLENOID K-LINE SCS LT BLU WIRE MRLY BKSW SEFMJ ILU MULTIPLEX CONTROL UNIT NDN NDR INHSOL SCLS (-) HLCLS(-) SHLS (-) OF DASH) PCM (BEHIND GLOVE BOX) PG PG ATPFWD ATPR ATPD ATPS ATPL ATPNP RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SC LS + HLC LS + SH LS + ECT TP SENSOR (ON THROTTLE BODY) TPS TRANSMISSION RANGE SWITCH (ON TRANSMISSION HOUSING) UNDER- DASH FUSE/ RELAY BOX (UNDER LEFT SIDE UNDER-HOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

ALTERNATOR CTRL SIG ALTERNATOR FR SIGNAL ALTERNATOR IG ALTERNATOR L SIGNAL BATTERY BLK WIRE BLK/WHT WIRE BLU WIRE BRAIDED WIRE BUS (-) BUS (+) CARLINK CHARGE IND COMM LINE DRIVE CIRCUIT ECM/PCM (BEHIND GLOVE BOX) ELD UNIT INPUT FUSE 10 FUSE 19 FUSE 4 BOX (UNDER LEFT SIDE OF DASH) GAUGE ASSEMBLY GRN WIRE GRN/RED WIRE HOT IN ON OR START JUNCTION CONNECTOR MULTIPLEX CONTROL UNIT ORG/ WIRE RED WIRE STARTING CIRCUIT TRANSMISSION UNDER- DASH FUSE/ RELAY UNDER- HOOD FUSE/ RELAY BOX (ON LEFT SIDE OF ENGINE COMPT) USA, CANADA EX WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

ALTERNATOR CNTRL SIG ALTERNATOR FR SIGNAL ALTERNATOR IG ALTERNATOR L SIGNAL BATTERY BLK WIRE BLU WIRE BUS - COMM LINE DRIVER CIRCUIT ECM/PCM (BEHIND GLOVE BOX) ELD UNIT ELD UNIT INPUT FUSE 10 BUS FUSE 19 FUSE 4 FUSE/ RELAY BOX (ON RIGHT SIDE OF ENGINE COMPT) FUSE/ RELAY BOX (UNDER LEFT SIDE OF DASH) GAUGE ASSEMBLY GRN WIRE GRN/RED WIRE HOT IN ON OR START MULTIPLEX CONTROL UNIT ORG/ WIRE RED WIRE UNDER- DASH UNDER- HOOD WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

ANTENNA IN ANTENNA LEAD AUDIO UNIT BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CD CHANGER (ACCESSORY INSTALLED) DRIVER'S DOOR SPEAKER FUSE 8 FUSE 9 GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON LEFT REAR SPEAKER (EXCEPT GX) LT GRN WIRE MULTIPLEX CONTROL UNIT NCA WIRE PNK WIRE RADIO ANTENNA SHIELD GROUND (RIGHT REAR OF ROOF) RED WIRE RED/BLK WIRE RIGHT REAR SPEAKER (EXCEPT GX) RR + RL + FL + FR + ILLUM + BATT POWER RR - RL - FL - FR - ILLUM - GROUND SPEAKER SUB-ANTENNA LEAD SW IGN UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPARTMENT) WHT WIRE WHT/RED WIRE WINDOW ANTENNA YEL WIRE YEL/RED WIRE

3 1 IGNITION KEY SWITCH ATP-P BKSW BLK WIRE BLK/WHT WIRE BLU/BLK WIRE BRAKE PEDAL POSITION SWITCH CVT ECM/PCM (BEHIND GLOVE BOX) EXCEPT CVT FUSE 10 FUSE 7 GAUGE ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START HOUSING) IGNITION KEY SWITCH/ KEY LIGHT ILU KEY INTERLOCK SOLENOID KEY SOLENOID OUTPUT KEY SWITCH INPUT MULTIPLEX CONTROL UNIT ORG/ WIRE PARK PIN/ SHIFT SWITCH (BEHIND A/T SHIFT LEVER) PARK PIN/SHIFT SWITCH RED WIRE RED/BLK WIRE RED/WHT WIRE SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) SHIFT LOCK SOLENOID (BESIDE A/T SHIFT LEVER) SHIFT-LOCK SOL STOP LIGHT TRANSMISSION RANGE SWITCH (ON TRANSMISSION) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

ATP-P BLK WIRE BLK/BLU WIRE BLU/BLK WIRE BRAKE PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) ECM (BEHIND GLOVE BOX) FUSE 10 FUSE 7 GAUGE ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY SWITCH IGNITION KEY SWITCH/ KEY LIGHT (IN STEERING COLUMN COVER) ILU INTERLOCK CTRL OUT JUNCTION KEY INTERLOCK SOLENOID KEY LOCK SOL + KEY SW MULTIPLEX CONTROL UNIT P PIN SW PARKING PIN/ SHIFT SWITCH (BEHIND A/T SHIFT LEVER) RED WIRE RED/BLK WIRE RED/WHT WIRE SECURITY CONTROL UNIT CONNECTOR (OPTIONAL) (UNDER LEFT SIDE OF DASH) SHIFT LOCK SOLENOID (BEHIND A/T SHIFT LEVER) SHIFT-LOCK SOL SW IN TRANSMISSION CONTROL MODULE TRANSMISSION RANGE SWITCH (ON TRANSAXLE HOUSING) UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) UNDERHOOD FUSE/RELAY BOX (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

6 1 DLC (UNDER CENTER OF DASH) BLK (OR BLU) WIRE BLK WIRE BLK/YEL (OR BLU) WIRE BLK/YEL WIRE BLU WIRE BLU/BLK (OR BLU) WIRE BLU/RED (OR BLU) WIRE BLU/RED WIRE BLU/YEL (OR BLU) WIRE BRN WIRE BRN/YEL (OR GRN) WIRE BUCK- LED CABLE REEL COMPUTER DATA LINES SYSTEM DRIVER BELT SW DRIVER'S AIR BAG FIRST, SECOND INFLATORS DRIVER'S SEAT BELT BUCKLE TENSIONER (UNDER DRIVER'S SEAT) DRIVER'S SIDE AIRBAG INFLATOR (W/ SIDE AIR BAG) (UNDER DRIVER'S SEAT) DRIVER'S SIDE IMPACT SENSOR (W/ SIDE AIR BAG) (NEAR BASE OF LEFT "B" PILLAR) DRIVER'S UN- BUCK LED SEAT BELT SWITCH (UNDER DRIVER'S SEAT) FRSR IGN IN IGN IN FUSE 13 FUSE 17 GRN (OR BLU) WIRE GRN WIRE GRN/BLK (OR BLU) WIRE GRN/BLK (OR GRN) WIRE GRN/BLK WIRE GRN/ORG (OR GRN) WIRE GRN/RED (OR BLU) WIRE GRN/RED (OR GRN) WIRE GRN/RED WIRE GRN/WHT (OR BLU) WIRE GRN/WHT WIRE GRN/YEL (OR BLU) WIRE GRN/YEL (OR GRN) WIRE GRN/YEL WIRE GRY WIRE GRY/RED (OR GRN) WIRE HOT IN ON OR START LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED (OR GRN) WIRE MES CON DIAG-H BSPL BSDL SRS IND SCS BSPH BSDH MES CONNECTOR (UNDER LEFT SIDE OF DASH) MULTIPLEX CONTROL UNIT ORG/ WIRE PNK (OR BLU) WIRE PNK WIRE PNK/BLU (OR GRN) WIRE RED (OR BLU) WIRE RED WIRE RED/BLK (OR BLU) WIRE RED/BLU (OR BLU) WIRE RED/BLU WIRE RED/WHT (OR BLU) WIRE RED/YEL (OR BLU) WIRE SBDC SBPC ODUS SDG SPG SSDH SSPH SHORT CONTACT SPLC SPRC FRSL GND 1 GND 2 SPLH SPRH SRS UNIT (UNDER CENTER OF DASH) SSDC SSPC SDV SPV SBDH SBPH STEERING WHEEL) UN- BUCK- LED UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/BLK (OR GRN) WIRE WHT/BLK WIRE WHT/BLU (OR GRN) WIRE WHT/BLU WIRE WHT/GRN (OR GRN) WIRE WHT/GRN WIRE WHT/RED (OR GRN) WIRE WHT/RED WIRE YEL (OR BLU) WIRE YEL WIRE

ANTI-THEFT SYSTEM BLK (GRN OR BLU) WIRE BLK WIRE BLK/YEL (OR GRN) WIRE BLK/YEL WIRE BLU WIRE BLU/BLK (OR GRN) WIRE BLU/RED (OR GRN) WIRE BLU/RED WIRE BLU/YEL (OR GRN) WIRE BRN WIRE BRN/YEL (OR GRN) WIRE BUCK- LED CABLE REEL DATA LINK CONNECTOR (DLC) (PARTIAL) (UNDER LEFT SIDE OF DASH) 14 9 DRIVER BELT SW DRIVER'S AIR BAG FIRST INFLATOR DRIVER'S AIR BAG SECOND INFLATOR DRIVER'S SEAT BELT BUCKLE TENSIONER (UNDER DRIVER'S SEAT) DRIVER'S SEAT BELT SWITCH (UNDER DRIVER'S SEAT) UN- BUCK LED DRIVER'S SIDE AIR BAG INFLATOR (W/SIDE AIR BAG) (UNDER DRIVER'S SEAT) DRIVER'S SIDE IMPACT SENSOR (W/SIDE AIR BAG) (LEFT SIDE OF FLOOR) FRSR IGN IN IGN IN FUSE 13 FUSE 17 GRN WIRE GRN/BLK (OR GRN) WIRE GRN/BLK WIRE GRN/ORG (OR GRN) WIRE GRN/RED (OR GRN) WIRE GRN/RED WIRE GRN/WHT (OR GRN) WIRE GRN/WHT WIRE GRN/YEL (OR GRN) WIRE GRN/YEL WIRE GRY WIRE GRY/RED (OR GRN) WIRE HOT IN ON OR START LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED (OR GRN) WIRE MES CON DIAG-H BSPL BSDL SRS IND SCS BSPH BSDH MES CONNECTOR (UNDER LEFT SIDE OF DASH) MULTIPLEX CONTROL UNIT ORG/ WIRE PASSENGER'S SEAT BELT BUCKLE TENSIONER (UNDER PASSENGER'S SEAT) PASSENGER'S SEAT BELT SWITCH (UNDER PASSENGER'S SEAT) PASSENGER'S SIDE AIR BAG INFLATOR (W/SIDE AIR BAG) (UNDER PASSENGER'S SEAT) PASSENGER'S SIDE IMPACT SENSOR (W/SIDE AIR BAG) (RIGHT SIDE OF FLOOR, PNK (OR GRN) WIRE PNK WIRE PNK/BLU (OR GRN) WIRE RED (OR GRN) WIRE RED WIRE RED/BLK (OR GRN) WIRE RED/BLU (OR GRN) WIRE RED/BLU WIRE RED/WHT (OR GRN) WIRE RED/YEL (OR GRN) WIRE SBPLC SBPRC ODUS SDG SPG SSDH SSPH SHORT CONTACT SRPLC SRPRC FRSL GNDA GNDB SRPLH SRPRH SRS UNIT (UNDER MIDDLE OF DASH) SSDC SSPC SDV SPV SBPLH SBPRH STEERING WHEEL) UN- BUCK- LED UNDERDASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/BLK (OR GRN) WIRE WHT/BLK WIRE WHT/BLU (OR GRN) WIRE WHT/BLU WIRE WHT/GRN (OR GRN) WIRE WHT/GRN WIRE WHT/RED (OR GRN) WIRE WHT/RED WIRE YEL (OR GRN) WIRE YEL WIRE

BLK (OR BLU) WIRE BLK WIRE BLK/YEL (OR BLU) WIRE BLU WIRE BLU/BLK (OR BLU) WIRE BLU/RED (OR BLU) WIRE BLU/RED WIRE BLU/YEL (OR BLU) WIRE BRN WIRE BRN/YEL (OR BRN) WIRE BUCK- LED CABLE REEL DATA LINK CONNECTOR (DLC) (PARTIAL) (UNDER CENTER OF DASH) DR BELT SW DRIVER'S AIR BAG FIRST INFLATOR DRIVER'S AIR BAG SECOND INFLATOR DRIVER'S SEAT BELT BUCKLE TENSIONER (UNDER DRIVER'S SEAT) DRIVER'S SEAT BELT SWITCH (UNDER DRIVER'S SEAT) DRIVER'S SIDE AIR BAG INFLATOR (USA, W/ SIDE AIR BAG) (UNDER DRIVER'S SEAT) DRIVER'S SIDE IMPACT SENSOR (NEAR BASE OF LEFT "B" PILLAR) FRONT PASSENGER'S SEAT BELT BUCKLE TENSIONER (UNDER PASSENGER'S SEAT) FRONT PASSENGER'S SIDE IMPACT SENSOR (NEAR BASE OF RIGHT "B" PILLAR) FRSR IGNITION IGNITION FUSE 13 FUSE 17 GRN (OR BLU) WIRE GRN WIRE GRN/BLK (OR BLU) WIRE GRN/BLK (OR BRN) WIRE GRN/BLK WIRE GRN/ORG (OR BLU) WIRE GRN/RED (OR BLU) WIRE GRN/RED WIRE GRN/WHT (OR BLU) WIRE GRN/WHT WIRE GRN/YEL (OR BLU) WIRE GRN/YEL (OR BRN) WIRE GRN/YEL WIRE GRY WIRE GRY/RED (OR BLU) WIRE HOT IN ON OR START LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED (OR BRN) WIRE MES CON DIAG-H BSPL BSDL SRS IND SCS BSPH BSDH MES CONNECTOR (UNDER LEFT SIDE OF DASH) MULTIPLEX CONTROL UNIT ORG/ WIRE PNK (OR BLU) WIRE PNK (OR WIRE PNK WIRE PNK/BLU (OR BLU) WIRE RED (OR BLU) WIRE RED WIRE RED/BLK (OR BLU) WIRE RED/BLU (OR BLU) WIRE RED/BLU WIRE RED/WHT (OR BLU) WIRE RED/YEL (OR BLU) WIRE SBPDC SBPRC ODUS SDG SPG SSDH SSPH SHORT CONTACT SRPLC SRPRC FRSL GNDA GNDB SRPLH SRPRH SRS UNIT (UNDER CENTER OF DASH) SSDC SSPC SDV SPV SBPDH SBPRH STEERING WHEEL) UN- BUCK- LED UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) USA, W/ SIDE AIR BAG WHT WIRE WHT/BLK (OR BRN) WIRE WHT/BLU (OR BRN) WIRE WHT/GRN (OR BLU) WIRE WHT/RED (OR BLU) WIRE YEL (OR BLU) WIRE YEL WIRE