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Honda Civic 2006

Fuel and Emissions Systems Circuit Diagram (R18A)

Fuel and Emissions Systems Circuit Diagram

ECM/PCM Circuit Diagram 


No. 1 INJECTORNo. 2 INJECTORNo. 3 INJECTORNo. 4 INJECTORYEL/BLKYEL/BLKYEL/BLKYEL/BLK1CKP SENSORYEL/BLKYEL/BLKBRN/YELBRN/YELG1012121212312123YELBLUREDBRNYEL/BLK24P JUNCTION
CONNECTOR
CMP SENSORABLU/WHTWHT/GRNC8C6C7C5C31C32INJ4INJ2INJ3INJ1CMPCKP7561234123P
CONNECTOR
ORNECM/PCM

ECM/PCM Circuit Diagram (cont'd) 


EOP SENSORWHT/BLKC22POILCSROCKER ARM
OIL CONTROL
SOLENOID
BLK/WHTB34VTSMAP SENSORYEL/REDC13VCC12017191824P JUNCTION
CONNECTOR
1YEL/RED21GRN/WHTBLKYEL/REDGRN/REDGRN/WHT23G101BCC11MAPC14SG1GRN/REDGRN/WHT1613141524P JUNCTION
CONNECTOR
D3EGR VALVE
POSITION
SENSOR
EGR VALVEYEL/BLUB18VCC23YEL/BLUB29EGRP1WHT/BLKBLK6G101GRN/YEL2B2EGR4BLU/RED*1IMT ACTUATOR1YEL/BLUWHTB39IMTM3BRNB37IMT+4B38IMT-WHT/BLK52GRN/YELEKNOCK SENSOR1RED/BLUC42KS11P CONNECTORKNOCK SENSOR1*1*2FRED/BLU*1: A/T
*2: M/T
*8: KE, KG, TR, KQ models
12*8

 


EIAT
SENSOR
THROTTLE
ACTUATOR
MAF
SENSOR
3B30VG+RED/BLU4B32VG-BLK/REDB33SG2GRN/YELBLK/YEL5GRN/YEL1RED/YEL2B31IATRED/YELECT SENSOR 1GRN/YEL1RED/WHT2B23ECT1RED/WHTGHABB36PG1BLKB1PG2BLKC2PGMETCSBLKG101C40LG1BRN/YELC44LG2BRN/YELG101FJBRN/
YEL
IC12VCC3GRNGRN2RED/BLK1YEL3BLU465C20TPSARED/BLKC21TPSBYELC39SG3BLUC4ETCSM+YEL/REDC3ETCSM-YEL/GRNTHROTTLE BODY*1: A/T*1

ECM/PCM Circuit Diagram (cont'd) 


EVAP CANISTER
PURGE VALVE
BLK/YELB3BLK/YELBLK/YELNo. 1 IGNITION COILNo. 3 IGNITION COILC15C16C17G101BLKBLKBLK/WHTBLKICMTo
SPARK
PLUG
ICMTo
SPARK
PLUG
ICMTo
SPARK
PLUG
No. 2 IGNITION COIL12WHT/BLUBLU/REDNo. 4 IGNITION COILC18BLKICMTo
SPARK
PLUG
24P JUNCTION
CONNECTOR
24P JUNCTION
CONNECTOR
BLKPBLK/
WHT
BLK/YELB42YEL/GRNBLK/WHTBLK/WHTBRNBLK/WHTWHT/BLUALTERNATOR113YEL/BLUBLK/YELABWHT/BLUB43WHT/REDWHT/REDWHT/GRNB41WHT/GRN2122232342PCSIGPLS1IGPLS2IGPLS3IGPLS4ALTLALTFALTCWHT/BLUBLU/REDYEL/GRNBRNBLU823P
CONNECTOR
89101112312312312YEL/BLUREVERSE LOCK
SOLENOID VALVE
BLU/WHT12BLK/YELA27RVSGRN423P CONNECTOR20211819YELYELYELNMLOBLK/YELBLK/YEL*7*8*7: 6MT
*8: KE, KG, TR models

 


SHIFT SOLENOID
VALVE D
WHTB35BRN/WHTBLU/WHTB44B25WHT/REDB17BLU/BLKC43A/T CLUTCH PRESSURE
CONTROL SOLENOID VALVE A
A/T CLUTCH PRESSURE
CONTROL SOLENOID VALVE B
A/T CLUTCH PRESSURE
CONTROL SOLENOID VALVE C
INPUT SHAFT
(MAINSHAFT)
SPEED SENSOR
GRN/YELYEL/BLUDOUTPUT SHAFT
(COUNTERSHAFT)
SPEED SENSOR
YEL/REDCGRN/WHT*11123LSALSBLSCNMNCB27BRN/REDB10BLUB26GRN/WHTATF TEMPERATURE
SENSOR
HWHTWHTSHIFT SOLENOID
VALVE A
BLUSHIFT SOLENOID
VALVE B
ORNGRN/YEL6ATFTSHASHBB20GRNSHIFT SOLENOID
VALVE C
GRNSHCB11GRN/REDYELSHD21212BLKBLKBLKG10175218123*1: A/TB8P CONNECTOR

ECM/PCM Circuit Diagram (cont'd) 


BLU/WHTRED/BLKBLU/BLKWHT/GRN7YEL/GRNBLKYELREDBLU/YEL49386101PRNDTRANSMISSION
RANGE SWITCH
D3 (S)16172223G101BLU/WHTRED/BLKBLK/BLUWHT4PNKBLKWHT/REDBLUYEL/RED6728351102ND CLUTCH
TRANSMISSION FLUID
PRESSURE SWITCH
3RD CLUTCH
TRANSMISSION FLUID
PRESSURE SWITCH
11BLU/YELBLK/RED21BRN2BRN95423P
CONNECTOR
*1B13B14BLU/BLKWHT/GRNB21B12ATPPATPRATPDATPNB15B28ATPFWDB22ATPRVSBLU/
BLK
WHT/
GRN
QB8B9OP2SWOP3SW*1: A/T
*11: A/T (5-position)
*12: A/T (7-position)
B16ATP2-1ORN23P
CONNECTOR
GRNYELGRNYEL*11*11ATPD3
(ATPS)
*12*12

 


A/F SENSOR
(SENSOR 1)
2REDC29AFS+REDC30AFS-RED/YELC9AFSHTCGRN1RED/YEL3GRN4WHT/BLKR1523P
CONNECTOR
PURSECONDARY
HO2S
(SENSOR 2)
1WHT/RED2GRN/YEL4BLK/WHT3BLK/YELC27SHO2SB4SO2SHTCOGIOIL PRESSURE
SWITCH
B7OPSWYEL/REDA2513BRNVCC4A171YELAPSAA352BLUSG4A246GRYVCC5A184PURAPSBA345LT BLUSG5Clutch pedal pressed: open
Clutch pedal released: closed
PSP SWITCHA41CRMTCLSLT BLU12BLKG401APP SENSOR A/BCLUTCH PEDAL
POSITION SWITCH
23BLKG401A22PSPSWPNKSHIFT LOCK
SOLENOID
2PNKA27SLSPNK1YELS1314P CONNECTOR*1: A/T
*4: M/T with cruise control
*10: without EPS model
*4*1*10AB

ECM/PCM Circuit Diagram (cont'd) 


ECT SENSOR 22A33ECT21A9SG6GRNBLKA/C PRESSURE
SENSOR
1A19VCC6RED2A16ACPDLT GRN3BLKA28NEPBLU2TEST TACHOMETER
CONNECTOR
3A39BKSWNCBRNBrake pedal pressed: closed
Brake pedal released: open
Brake pedal pressed: open
Brake pedal released: closed
4YEL1WHT2LT GRNLUTBRAKE PEDAL
POSITION SWITCH
C37OILLVLB16SUPPB40SDNPORNBRNBLUGRNBLUGRNBLKLT GRNYEL/REDBLKENGINE OIL
LEVEL SENSOR
G101AC23P
CONNECTOR
2136172BLU/YELCABLE REEL20P
CONNECTOR
23P
CONNECTOR
161653*8: KE, KG, TR models
*9: A/T (5-position)
G504*8*9BLKYEL/RED3P
CONNECTOR
192ORN

 


REDA42WENWHTA36CANHREDA37CANLBLUA29VSSOUT10 (7)*6RED11 (14)*6BLK7 (9)*6WHT14 (10)*6RED5 (8)*6BLU10 (9)*6WHT9 (10)*6RED5 (10)*6WHT10 (6)*6BLK4 (2)*6RED7 (8)*6WHT6 (9)*6RED8 (1)*6ORN9 (5)*6LT BLU2 (8)*62 (4)*6BLU7 (1)*6ORN4 (8)*6LT BLU8 (9)*6WHTBLUXWV32656P
JUNCTION
CONNECTOR
71314121114P CONNECTORBRN7BRN/
YEL
23P
CONNECTOR
*3To SUNROOF CONTROL UNITTo AUDIO UNITDATA
LINK
CONNECTOR
57914612164BLKG503GAUGE CONTROL
MODULE
(TACHOMETER)
191*3: with ABS
*6: RHD model
JUNCTION BOXJTo SRS UNITTo ABS MODULATOR
CONTROL UNIT
REDWHT2114

ECM/PCM Circuit Diagram (cont'd) 


ETCS
CONTROL
RELAY (F)
(1)(2)(3)(4)A/C COMPRESSOR
CLUTCH RELAY (A)
(8)(7)(9)ELDBATTERYUNDER-HOOD FUSE/RELAY BOX(5)(6)WHT1BRN1ORN4WHT8YEL1ORN3BLK2G301KMYZAAGRYPUR6BLU7ORN51LT BLUC1IG1ETCS3WHT/GRNACRPA23ELDMRED20LT BLU1614GRN9BLU7ORN6YEL5A14ACCA21SUBRLYA5FANHA6MRLYA4FANLA8IGPA20ETCSRLYORNPGM-FI
SUBRELAY
(E)
PGM-FI
MAIN
RELAY 1
(C)
IGNITION
COIL
RELAY (B)
A/C
CONDENSER
FAN RELAY
(K)
COOLING
FAN CONTROL
RELAY (L)
RADIATOR
FAN
RELAY (J)
*8*8: KE, KG, TR modelsALT GRN423P
CONNECTOR

 


(11)PGM-FI MAIN
RELAY 2
(FUEL PUMP)
UNDER-DASH FUSE/RELAY BOXSTARTER
CUT RELAY
(ST CUT)
(10)5YEL8PNK10BRN11BRN24GRY25LT GRN30LT GRN31WHT292ORN4ORN12BRN16WHT20WHT1WHT5ORN8LT BLU9GRN28YELIG2+BIG11WHT2BLU3ORN1YEL3NTUZKYC36IG1A44S-NET5VA15IMOFPRA31SCSA40BKSWG101BLK/YEL23P
CONNECTOR
2Q*2*1ORNBLKAAMXVWST641S(12)(13)IGNITION SWITCHMICUFUEL PUMPP24BLKUNDER-HOOD FUSE/RELAY BOX:
(1)No. 21 DBW (THROTTLE
ACTUATOR CONTROL) (15 A)
(2)No. 18 IG COIL (15 A)
(3)No. 19 FI MAIN (15 A)
(4)No. 11 FI SUB (15 A)
(5)No. 15 OIL LVL (7.5 A)
(6)No. 2 IG MAIN (50 A)
(7)No. 23 BACK UP (10 A)
(8)No. 12 STOP&HORN (15 A)
(9)No. 1 MAIN FUSE (100 A)
UNDER-DASH FUSE/RELAY BOX:
(10)No. 3 ALTERNATOR (10 A)
(11)No. 2 FUEL PUMP (15 A)
(12)No. 36 IG2 HAC (A/C) (10 A)
(13)No. 10 METER (7.5 A)
*1: A/T
*2: M/T
*8: KE, KG, TR models
*9: except KE, KG, TR models
G601REDYEL122*9*8INERTIA SWITCH13