1996 HONDA CIVIC Ckf

Ground-to-Components I ndex
f.,lONOTE: All ground wires are BLK unless otherwise noted.
GroundPageComponents or Circuit Grounded
Battery (BLKYEL)
Steering pump bracket
t+-rg ITransmission housing
l
G101
(-1)
G101
(-2)
14-2
and
14-3
ano
14-1
Powertrain or engine control module (PG1 and pG2 are BLK: LG1 and LG2 are
BRN/BLK), EGR control solenoid valve (CW, EGR valve and lift sensor (Dt6yS enginewith M,/T), Engine coolant temperature switch, pGM-Fl main relay, power steeringpressure switch (USA), Primary HO2S (D16Y5 engine with l\/,/T), Vehicle speed sensor,VTEC pressure switch (D16Y5/D16Y8 engines), CKF sensor (BRN/BLK), Transmission
control module (CYf) (Pc1 is BLK: LG1 is BRN/BLK)
Shielding betvveen the PCM or ECM and these components (all have BRN/BLK wires):
CKF sensor, TDC/CKP/CYP sensor. Primary and secondary heated oxygen sensors.
Knock sensor (CWDl6YB engine), Mainshaft speed sensor (AiT except CVT),
I Countershaft speed sensor (A/T except CVf)
Shielding between the TCM and these components (CVT) (all have BRN/BLK wires):
Drive pulley speed sensor, Driven pulley speed sensor, Secondary gear shaft
speed sensor
Powertrain or engine control module (PG1 and pG2 are BLK; LG1 and LGz are
BRN/BLK), EGR control solenoid valve (D16Y5 engine), EGR valve (Dt685), Engine
coolant temperature switch, Fuel pressure regulator shut-off solenoid valve (D1685),
PGM-FI main relay, Power steering pressure switch (USA), Vehicle speed sensor, VTECpressure switch (All except D16Y7 engine), CKF sensor (A

except 81642) (BRN/BLK)
Shielding between the PCM or ECM and these components (all have BRN/BLK wires):
CKF sensor, TDC/CKP/CYP sensor, Primary and secondary heated oxygen sensors,
Knock sensor (All except D16Y7 engine), i/ainshaft speed sensor (Arf except CW),
Countershaft speed sensor (A,/T except CVf), Drive pulley speed sensor (CW), Drivenpulley speed sensor (CVT), Secondary gear shaft speed sensor (CVf)
I Badiator fan motor, Right front parking/turn signat tight, Right headtight
G20214-4I Cruise control actuator, Left front parking/turn signal lights, Left headlight, Rear window
I washer motor, Windshield washer motor, Washer fluid level switch (,99-'00 Canada)
G401| +-o
and
14-7
Accessory power socket, Brake fluid level switch, Clutch interlock switch (M/T), Clutchswitch (lillT with cruise/D16Y5 engine with MfD, Combination wiper switch (Z wires),
Cruise control main switch, Cruise control unit, Dash lights brightness controller, Data
link connector, Daytime running lights control unit (Canada), Gauge assembly, Horn('96-'97 models), Integrated control unit, Interlock control unit (ArI), Keyless door lock
control unit ('99-'00 models with keyless), Moonroof close and open relays, Moonroof
switch, Park pin switch (A/r), Power window relay, Rear window defogger relay, Rear
window defogger switch ('96-'98 models), Steering lock, Stereo radio tuner (,96-,98
USA: LX, EX, and HX), Turn signal/hazard relay, Windshield wiper motor.....plus
everything grounded through G402
6-6

----" A/T -----t
DRIVEN PULLEY , ^.,.
;iftTBilis'".f l5Ftr,.""_
co'rinienixnn '. Pase 23'2
SPEED SENSOR ; .'-\.SHIELD 'F--.1
TDC/CKP/CYPSENSORSHIELDPage 20
ll
r_:.-i
23-13
t1
23- l4
tl
PRIMARY SECONDARYHO2S HO2SSHIELD SHIELDPages 23-8, Pages 23-9,23-10. and 23-11. and
--- CW ----.
TRANSMISSION ;CONTROLMODULE(TCM) ,Page 39-5 :PHO|O 121vlEw 69r____1 ,
tt:
tt:L----J,
. D16Y8engine
SECONDARY .
HO2S :SHIELD ;Page 23-11
l. - -..1 ;
tt:(D16Y/i D15Y8)Page 39-1
l.--.1
1l
r:--iBFN/BLKARN/BLK
A4
6FN/BLK' EFN/BI
i i srco"oo"t :' I GEAR SHAFT
I I Or MAtN!'tAt I. II SPEED SENSOR '
CW. - D16Y8 -, engine: N SENSoR SHTELD ,
i !i?il3li*u,, i
CWSHIELD :Page39-4,
CRANK-SHAFTSPEEDFLUCTU-ATION(cKF)SENSORPage 23-2
tl
ll
;I;..
26
i xNocx' SENSOR, (KS)' SHIELD
, Fage zJ-5
: F--.1
:ll
iilr-:i
----:.--------:
c442(Terminals 18-20)
c10.1 PHofo 125\HOTO 21 VIEW 54vtEw 29
'----- cw ----'
DRIVE
BFN/BLK
PULLEY :SPEEDSENSORSHIELDPage 39-4 :
1.---{ :I t;
cl30Oermlnal8'l-10)
vtEw 52
14-',

PRIMARYH02SSHIELDPage 24-7 ,24-8, ol24 10
tl
r_i
.--- D1685engine --.
' TNJECTOR I: CoNTROL ;; MoDULE ,, Page 25-1 ,t PHO\O 1aa :I vtEw 77
i r-- --r I,ll:
ill;
816l€I.--- D16Y8I englnes i. SECONDARYI Ho2s SHTELD :, Pages 23-11 I' and 24-11
I z-r; l.--.1 :
c131
(c101 D16Bs)
. ORIVE PULLEY
: SPEED sENsoR I. SHIELD ,' Page 39-12
l---:
: 1.--,1 ;
:l | :
c102
CKFSENSORSHIELDPage 24 2
tl
\..
BFN/BLK
------_I
SECONDARYGEAR SHAFT :SENSOR SHIELD ;(D16Y5)P.^a 'lO,1 ,oifu-alisirrrSPEED SENSOR :SHIELD :(016Y7/D16Y8)Page 39-9
F--.1
tl
rJii
t
rDc/cKP/CYPSENSORSHIELDPage 2O-2
tl
\,.
T
""","a* |
i
___r_
14-3

PGM-FI (All '9G'98 Models except D16B5; '99-'00 D16Y5 with MiT)
bnilbnout$rtsionel@r)
lDC CKP CYPa€nsor aanaor s€nEoring'lt input inputfiDCP) (O(PE (CYP4
CKFs9nsorinpul&$n
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t
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A20
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Z

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!-=-n*-r=d*--,=-,.r-------t?il-1 PowEBTRAIN [ ;aee :+-:'
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tr* dffi iffi ff*:
ifltBtr. I I
L------- -----Jffi-:cu1 lr-J
G10lPHO|O 33PHOfO 123 lCVn
23-2
wEw lo

PGM-FI (All '9$'00 Models except D16Y5 with M/T and D1685) (cont'd)
ltrl! lgnition TDC CKP CYP CKF \I output sensor sensor ssnsor sensorI signal inpt$ input input input I
! ncut dDcB (CKpPr tdveel tCxepl IL------- ------J
]L 'iffi
,Tf;=44ff=''fiffi;^.,"^-
Lqsry:ffi_ tt-i ffilJ
ilffi:*'"
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ffiP
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:ffi-qg;"," -;ffi' ", -
-" " ^^, | | igBri/ |
' Pnoro,e te'0A2,
------,1-I---L",,,
| | (PcM or ECM) r-GtorL______ ___J pHoTooa, = ,*ZiZ1
,"
:l :l] :l
ffi
i----=*:?, *Sru,----- *fu-l!fl::'*'" I I
!
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ifttEtrh", L-J
24-2

\
Connector C
- Blue- On engine wire harness
\
1 BLU/RED (CKF P)
2 BLU (CKP P)
3 GRN [rDC P)
4 YEL (CYP P)
5 BLU/REO (ACS)
6 BLU/ORN (STS)
7 BRN (SCS)
8 LT BLU (K.LINE)
I CVT: GRY [rMA)10 WHT/BLU (VBU)
11 WHT/RED (CKF M)
12 WHT (CKP M)
13 RED [rDC M)
14 BLK (CYP M)
1s Dl6Ys/D16Y8iBLU/BLK (VTM)
16 USA: GRN (PSPSW)
17 WHT/RED {ALTF)
18 BLUA/VHT (VSS)
19 -,.
20
21
22
23 016Y5 with l\.4/T:BLK (lP +)
24 D 16Y5 with M/T:RED (rP -, VS -)
25 D16Y5 with M/T:wHT (VS +)
26_
27_
28
29 CW: LT GRN (ATP NP)D16Y5 with l\4/T:RED (CLSW
30 CW: PNK OMB)
t
'I48910
11121314't5't6171819202122
23242526272a293031
L
124
789101112
13141516
Connector D
- Gray- On engine wire harness
1 RED/BLK [TPS)2 REDMHT (ECI)
3 RED/GRN (MAP)
4 YEURED (vCC1)
5 GRN,A/VHT (BKSW)
6 CWD16Y8:RED/BLU (KS)
7 WHT (All except D16Y5M/'T - PHO2S)(D16Y5 M/T - LABEL)
8 RED/YEL (IAT)
I D16Y5i WHT/BLK(EGRr)
10 YEUBLU (VCC2)
11 GRN/BLK (SG2)
12 GRN,ryVHT (SG1)
13 016Y5/D16Y8:GRN/BLKD16Y7: RED//EL(sHo2sG)
14 WHT/REO (SHO2S)
15 '2: LT GRN (PTANI9
16 USA: GRN/RED (EL)
*2 = '96 D16Y8 enoine: All Coupes97 D16Y7 enoine. Calitornia Couoe and CaliforniaSedan LX'97 D16Yg engine: All Coupes and California Sedan'98-99:All
202-27

\I
Connector C
- Blue- On engine wire harness
1 BLK/WHT (PO2SHTC)
2 WHT/GRN (ALTC)
3 al: RED/BLU (KS)
5 WHT/RED (ALTP)
6 12 WHT/BLK (EGR2)
7 GRNAVHT (SGl)
8 BLU (CKPP)
9 WHT (CKPM)
10 *3: BLU/BLK (VTM)
13 D1685: GRN/RED OF2)14 01685: BLU/RED (PF2)
16 WHT (PHO2S)
17 RED/GRN (MAP)
18 GRN/BLK (SG2)
1s YEURED (VCC1)
20 GRN (TDCP)
21 RED fiDcl\4)22 BLU/RED (CKFP)
23 BLU,ryVHT (VSS)
24
25 RED/yEL (lAT)
26 REDAVHT (ECT)
27 RED/BLK (TPS)
28 YEUBLU (VCC2)
29 YEL (CYPP)
30 BLK (CYPr,,t)
31 WHTiRED (CKFrVr)
cw D16Y8,816A2cw D1685Except D l6Y7
t
1sl't0234678
111213141516171819202122
23242526272A293031
Connector D
- Gray- On engine wire harness
D1685, '99100 except CW:
1 YEL (LCA)
2 GRN,ryVHT (SHB)
3 GRN/BLK (LCB)
5 .1 : BLIVYEL (VBSOL)
6 WHT (ATPR)
7 BLU/YEL {SHA)8 PNK (ATPD3)
*1= Except D1685
'99100 cw:
1 WHT/RED (VEL)
2 GRN/BLK (rNH SOL)
3 GRN/vEL (SHLS l\4)
4 BLUAVHT (SHLS P)
5 BLK^fEL (VBSOL)
6 WHT (ATPR)
7 BLKWHT (VEL SG)
8
9 YEL (ATP D4)
10 BLU (NC)
11 RED (Ntvl)
12 WHT (NMSG)
13 LT GRN (ATPNP)
14 8LU {ATP P2)
16 GRN (NCS G)
I
1O WHT (NDN)
11 RED/BLU (NDR)
12 GRN (NDR SG)
13 LT GRN/RED (ATP S)
14 GRN/BLK (DIND)
16 REDMHT (NDNSG)
IJ
14
6o10rr ll rz
13141516
202-29

Connector ldentification and Wire Harness Routing
Connector
or
Terminal
Number ot
Cavities/
Golor
LocationConnects toNotes
Engine Wire Harness (Dl6Y5, D16Y8 engines): '96-98 models and '99;00 D16Y5 dM/T
c101
c102
c 103
c104
Q104
c105
c106
c107
cl 08
cl09
cl10
c1l1
cl'12
c113
c114
c'115
c116
c'117
c 118
c119
c120
c121
c122
c123
c123
c124
Q124
c125
c 126
c127
c128
c129
c130
c131
cl32
c 134
c135
c136
c137
c138
c139
c'140
c141
c142
c143
c144
c'|44
c145
c146
c147
1O-GRY
3.GRY
1-CLR
4-GRN
3-N/A
2-BLK
2-BLK
2-BLK
2-BLK
3-GRY
3-GRY
3-GRY
2.BLK
2.GRY
2-BLK
14-BLU
14-GRY
3.GRY
2-BLK
2-GRY
1O-GRY
1.BLK
2.GRY
4-GRY
8-GRY
2-GRY
2.GRY
4-GRY
2.BLK
2.BLK
2-GRY
1.BLK
2O.BRN
22.GRN
32.GRY
25.GRY
31-BLU
16.GRY
14-GRY
8.GRY
2-GFIY
2.GRY
1-GRY
2-GRY
2-BLK
2-GRY
2.BLK
3-GRY
6-GRY
2.BLK
8-GRY
2-BLK
Left side of engine compartment
Left side of engine
Middle of engineI att .i.la ^f an^i^6
Left side ot engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
Middle of engine
[,liddle of engine
Middle ot engine
Middle ot engine
Middle of engine
Middle of engine
Middle of engine
l\,liddle of engine
Right side of engine compartment
Right side of engine compartment
Middle ot engine
Middle of engine
Middle of engine
Middle of engine
l\,liddle of engine
Nliddle of engine
Middle ot engine
Middle of engine
Middle ot engine
Middle of engine
Middle of engine
Nliddle of engine
Right side of engine
Under right side of dash
Behind right kick panel
Below right front footrest
Below right front footrest
Below right front footrest
Below right front tootrest
Left side ot engine compartment
Left side of engine compartment
Middle of engine
liliddle ot engine
Middle of engine
Nriddle ol engine
Right side of engine compartment
Middle ol engine
Right side of engine compartment
Middle of engine
N,liddle of engine
Right side of engine compartment
Right side of engine compartment
Bight side of engine compartment
Main wire harness
CKF sensor
Engine oil pressure switch
Alternator
Alternator
No. 1 fuel injector
No. 2 fuel injector
No. 3 fuel injector
No.4 fuel injector
IAC valve
TP sensor
MAP sensor
IAT sensor
Power steering pressure switch
EVAP purge control sol€noid valve
Junction connector
Junction connector
Vehicle speed sensor (VSS)
Countershatt speed sensor
Engine coolant temperature switch
Distributor
Engine coolant temp. sending unit
ECT sensor
Primary HO2S (sensor '1)
Primary HO2S (sensor '1)
Back-up light switch
Lock-up control solenoid valves
Secondary HO2S (sensor 2)
lvlainshafl speed sensor
Lanear solenoid
Shift control solenoid valves
Starter solenoid
Junction connector
Main wire harness
ECM/PCM connector A
PCM connector B
ECM/PCNI connector C
ECM/PCl\,,| connector D
Main wire harness
Maln wire harness
Knock sensor (KS)
IAC valve
VTEC solenoid valve
VTEC pressure switch
EVAP control canister vent shut valv€
EGR control solenoid valve
Secondary gear shatt speed sensor
EGR valve
EGR valve
Drive pulley speed sensor
CVT transmission solenoid
Driven pulley speed sensor
USA
Canada
AlT
USA
'2( tr\
'3
-1 (M/r)
t\4/T'2 (Anl'1
'2 (An)'2 (Nr)'2 (AtT)
'2 (Atr)
-1 (An)-2( fi|
M/T
.1 (Arr).1 (A,T)"1 (A/r)-1 (M/r).1 (CVT),1 (cw)'1 (CVT)
203-2