ECU HONDA CIVIC 1996 6.G Workshop Manual

Starter Cut Does Not Work Properly
(HX, LX, EX, DX-V, Si)
1 . With the security system connector
disconnected, run a jumper wire f rom terminal
19 to ground.
Does the starter motor operate when the ignition
switch is turned to START (lll)?
2.
Yes - Replace the security control unit.
No - Go to the next steD.
ls there baltery voltage at terminals 2 and 3 of
the security starter cut relay connector, when the
ignition switch is in the START (lll) position?
Yes - Go to the next step,
No - Reoair the ooen in the BLK/YEL wire
between the ignition switch and the
security starter cut relay.
ls there battery voltage at terminal 6 of the
securitv starter cut relav?
Yes - Go to the next steo.
No - Replace the security starter cut relay.
3.
@
I=
r
133-27
4. With the security starter cut relay connector
disconnected, run a jumper wire from terminal 2
to terminal 4.
Does the slarter motor operate when the ignition
switch is turned to START (lll)?
5.
Yes - Go to the next step,
No - Repair the starting system.
With the security starter cut relay connector
reconnected, does the voltage at terminal 6
change from battery voltage to 0 volts when the
system is in the Alarm Triggered Mode?
Yes - Replace the security starter cut relay.
No - Repair the open in terminal 19
(BED/YEL) wire.
4
I=

Security System (cont'd)
Starter Cut Does Not Work Properly
(cx, Dx)
1 . With the security system connector
disconnected, run a jumper wire f rom terminal
19 to ground,
Does the starter motor operate when the ignition
switch is turned to START (lll)?
Yes - Replace the security control unit.
No - Go to the next steo.
ls there battery voltage at terminals 2 and 3 of
the security starter cut relay connector, when the
ignition switch is in the START (lll) position?
Yes - Go to the next step.
No - Repair the open in the BLKMHT wire
between the ignition switch and the
security starter cut relay.
ls there battery voltage at terminal 6 of the
securitv starter cut relav?
Yes - Go to the next step.
No - Beplace the security starter cut relay.
4
o
t_=
133-28
4. With the security starter cut relay connector
disconnected, run a jumper wire from terminal 2
to terminal 4.
Does the starter motor operate when the ignition
switch is turned to START (lll)?
Yes - Go to the next steo.
No - Repair lhe starting system.
Does the voltage at terminal 6 of the security
starter cut relay change trom battery voltage to 0
volts when the system is in the Alarm Triggered
Mode?
Yes - Replace the security starter cut relay.
No - Repair the open in the terminal 19 (GRN)
wtre.
q
I=

.1,
Horn Does Not Sound When Alarm ls
Triggered
1. Does the horn sound when the horn button is
pressed?
Yes - Go to the next step.
No- Repair the horn circuit.
2. With the security control connector
disconnected, run a jumper wire f rom terminal'18 to ground.
Does the horn sound?
Yes - Replace the security control unit.
No - Repair the open in the lerminal 18
(GRY) wire.
lr I
133-29

-
Component Connector View Index (Views begin on page 202-21
Connector View
ABS Control Unit........ ......63
Audio Unit ('99-'00 models) ......74
Combination Light Switch . . . . . . . . . . . . . . . 64
Combination Wiper Switch . . . . . . . . . . . . . . 65
Cruise Control Unit.... .....43
C\TTTransmission Solenoid ............. 25
Data Link Connector (DLC) ..... 48
Daytime Runnlng Lights Control Unit ..... 66
Engine control Module (ECM) ...........70
Exhaust Gas Recirculation (EGR) Valve
and Lift Sensor (D16Y5 Mfl, D1685) . . . . 10
Gauge Assembly .............71
HazardWarnlngSwitch,,. .,,,...,,,,... 32
Heater Control Panel ('96-'98 models) .....44
Heater Control Panel ('99-'00 models) ...., 76
Heater Fan Switch ('96-'98 models) ,,,.... 11
fniector Control Module (GX) ............77
I/
202-1
Connector View
Integrated Control Unit .......,. 67
f nterfock Control Unit .... ...... 26
Keyfess Door Lock Control Unit . . . . , . . . . . 75
Mode Control Motor ... ........'17
Moonroof Close Relay .. .......13
Moonroof Open Relay ... .......15
PGM-FI Main Relay .. .......... 18
Power Door Lock Conlrol Unil ..... ...... 37
Power Mirror Switch .,... ...... 33
Power Window Master Switch .,.........36
Powertrain Control Module (PCM) .......70
Security Control Unit ..., ..,,... 58
Security Starter Cut Belay ... ...,,,....,, 12
SRS Unit ............. 51
Stereo Radio Tuner ('96-'98 models) ...... 68
Transmission Control Module CICM) .....69

\7. C604 (Hatchback)
GRN/BLK(Back-up lights)
l\4ale GRNIYELFemale - GRN/RED(Turn signaland hazardwarning lights)
BLK (G601)
- Gray- Left rear ol cargo area- Connects rear wire harness to left outer
taillight assembly
4
5
6
1
2
GRNAVHT(Brake lights)
FED/BLK(Headllght switch)
10. Exhaust Gas Recirculation
(EGR) Valve and Lift Sensor
1
2
3
(D16Y5 MfI D1685)
- Gray- Top right side of engine- On engine wire harness
WHT/BLK (EGR input)
GRN/BLK(Sensor ground)
YEUBLU(Reference voltage)
4
5
6
BLK (Ground)
PNK (EGR control)
of cargo area
rear wire harness to right outer
assembly
n- -n
a t | _ a2a
l3I4t5tttl
IJ
I
8. C605 (Hatchback)
- Gray- Right rear- Connects
taillight
GRN/BLK(Back-up lights)
GRNTYEL(Turn signaland hazardwarning lights)
3
4
5
6
1
2
BLK (G601)
GFNAVHT (Brake lights)
RED/BLK(Headlight switch)
11. Heater Fan Switch
('96-'98 Models)
- Brown
Center of dash- On heater-sub B wire harness
BLK (Ground)
BLUAVHT (L4edium
LO speed input)
BLU/BLK(Hl speed input)
4
5
6
1
2
3
BLU (LO speed input)
BLU/YEL (Medium
Hlspeed input)
GFIN (Blowerswitch ON input)
9. C607 (Hatchback)
- Blue- Right side o{ cargo area- On rear wire harness
BLU/BLK (lndicators)
RED/BLK(License lights)
GBN,ryVHT (8rake lights)
LT GBN(Rear wiper/washe0
5
6
1
2
3
4
GRN(Rear wiper/washer)
LT GRN/BLK(Rear \/iper washer)
)/
202-3
12. Security Starter Cut Relay/C416
- Natural* Upper left kick panel- On main wire harness
1
2Allexcept CX and DXI[,4ale: BLK,^r'r'HTFemale: BLKI/ELCX and DXi BLI(WHT(Battery input)
All except CX and DX:BLK^/ELCX and DX: BLK/WHT(Baftery input)
[.4ale - BLK/WHTFemale - BLKAVHTor BLKRED(Starter output)
All excepi CX and DX:RED/YELCX and DX: GRN(Security starter c!1relay control inpul)
5
6
tl3'

Connector Views (cont'd)
13. Moonroof Close Relay
'96-97 Models:
1 WHT (Battery input)
2 GRN//EL
{Motor conirol)
3 GRN/ORN(lgnition lnput)
- Brown ('96-'97 models) or Gray ('98-'00 models)- Upper left kick panel- On moonroof wire harness
5
6
BLK (Ground)
GBN/RED (Coilconkol)
'98r00 Models:
GRN/YEL(Motor control)
WHT (Battery input)
GRN/RED(Coil control)
4 BLK (G401)
5 GRN/ORN(lgnition input)2
3
15. Moonroof Open Relay
- Brown ('96-'97 models) or Gray ('98-'00 models)- Upper left kick panel- On moonrool wire harness
'96.97 Models:
1 WHT (Battery input)
2 GRN/FED(lvlotor control)
3 GRN/ORN(lgnition input)
'98r00 Modelsi
BLK (Ground)
YEL (Coil conkol)
5
6
GBN/RED(lvlotor control)
WHT (Battery input)
YEL (Coil control)
4 BLK (G401)
5 GRN/ORN(lgnition input)2
3
,1^t
6
14. C415
- Brown- Above underdash fuse/relay box- Connects main wire harness to steering lock pigtail
* 1: [,4ale BLKryELFemale - BLKMHT*2: BLK,/WHT(Start oulput)
l\.4ale - BLU/REDFemale - BLUruVHT(lgnilion key switchoutpur)
N4ale - WHT/BLKFemale - WHT(Battery input)
l\,4ale BLKFemale - BLU^VHT(Ground)
Ani Male - WHTFemale - WHT /EL
(Key interlock switchourpur)
A/T:WHT/BLU(Key interlocksolenold control)
A"rT: WHT/GRN(Battery inpul)
*1= Vehicles pre-wired for accessory security system*2= Vehicles not pre wired for accessory security system
202-4
16. C422
- Green- On tront ol under-dash tuse/relay box- On main wire harness
7
l
2
3
4
5
6
7
FED/BLU (Headlights)
REDAVHT (Headlights)
WHT (Fuse 48)
BED/GRN(Headlight switch)

-39. Cl16
- Gray- Rear ol engine, below intake manifold- Engine wire harness junction connector
41. C433
- Gray- Below center console- Connects main wire harness to A'/T gear position
switch pigtail
i-'-j-----lr-:-_-::::^-_---'18 BLK (G101)
s BLK (G101)
10 BLK (G101)
11 BLK (G101)
12 BLK (G101)
13 USA: BLK (G101)
14 BLK (G101)
L___-----J
2 *1: YEL/BLK*2iYEURED
(PGM-Fr)
3 *1: YEUBLK
(PGl\4-Fr)
4 *l:YEUBLK*2T YEURED(PGr\4-F|)
5 *1i YEL/BLK*2: YEURED(PGM-Fr)
6 *1: YEUBLK*2: YEURED(PGM Fr)
7 *1: YEUBLK*2: YEURED
1 BLK (Cruise conlrol)
2 l\,1ale - LT GRNFemale(Not used)
3 Male - YELFemale - YEURED(Back-up lights)
4 GRN/BLK(Back-up lights)
5 f,rale - GRN/YELFemale - BLU(A,/T controls)
6 l\.4ale - GRN/BLUFemale GRN(A,/T controls)
7 Male - GRN/ORNFemale - YEL(A/T conkols)
9 PNK (Cruise control)
1O BLI(WHT(Starting system)
11 BLI(RED(Starting system)
12 Male - GRNIVHTFemale - BLK/BLU(A,/T controls)
13 Male - GRN/REDFemale - WHT(A,/T controls)
14 Male - GRNFemale - RED(A,/T controls)
L_i9yj'L____i
'1: Allexcept GX'2: GX
Terminals grouped together areconnected by the same bus bar.
40. c401
- Gray- Behind left kick panel- Connects main wire harness to floor wire harness
All '96-'98 Models and '99100 GX Models:
1 *1: BLKWHT (PGM-F|)*2:YEL/BLU (PGl\4'Fl)
2 HatchbackiLT GRN/BLK(Rear wiper/washer).2: BLU/YEL {PGM-Fl)
3 Hatchback: LT GRN(Rear wiper).2: GRN/BLK (PGM'Fl)
4 *1:YEUBLU (PGM Fl)*2: GRN/VEL (PGl,I-Fl)
5 *1: GRN/BLK (PGM-FI)*2: WHT/RED (PGl\4-Fl)
*1= D16Y5iAll '98 modelsD16Y7r '97 California Coupe and Sedan LX, all '98 models
D16Y8: All '96-97 Coupes, '97 Calilornia Sedans, all '98 models
*2= GX models
'99-'00 Models except Gx:
6 BED/BLU(Seat belt reminder)
7 WHT/GRN (Fuse 51)
8 1.: LT GRN (PGM'F|)
I 1.i BLU (PGl\.4-Fl)
10 GRN (lgnition keyremrnoer)
11 LT GRN/RED(Ceiling light)
12 GRN/BLK(Back-up lights)
13 GFN,TVHT (Brake lights)
14 Except GX: YEUGBN
{PGM-Fr)
1 GRN/ORN(Power door locks)
2 BLK,ryVHT (PGM-Fl)
3 Coupe/SedaniGRNA/VHT(Power door locks)Hatchback:LT GRN/BLK (Rear
wiper)
4 Coupe/Sedan: BLU/BLK(Security system)Hatchback:LT GRN (Rear wipeo
5 YEUBLU (PGl\4-Fl)
6 GRN/BLK (PGM,FD
7 RED/BLU(Seat belt reminder)
8 *3: WHT/RED(Power door locks)
9 *3: BLU/RED(Power door locks)
10 '3: BLU^VHT(Power door locks)
11 l\.4ale -
Female - WHT/GRN(Fuse 51)
12 LT GRN (PGM-FD
13 BLU (PGr\4 Fr)
14 GRN(lgnition key reminder)
15 LT GRN/RED(Ceiling light)
16 GRN/BLK(Back-up lights)
17 GRN,ryVHT(Brake lights)
18 YEUGRN (PGI\4.FD
19 *3: YEURED(Power door locks)
20 Canada: BLU/YEL(Power door locks)-
*3= USA HX, LX, EX OX-V Si
202-11

Gonnector Views (conrd)
46. C503
B
9
*1: GBN/ORN(Power door locks)*1r BLU|/EL(Power door locks)
GRN/RED (Brake
system indicator light)*1r LT GRN(Power door locks)*3: GRN/YEL (Lowfuel indicator light)
BLU/BLK (lndicators)*3: BLU/YEL(Stereo sound system)*3: YEUBLK (Gauges)*3: GRY/WHT(Stereo sound system)
10 *1: GRNAVHT(Power door locks)*2: BL(BLU(Power mirfors)
11 *3: BRNMHT(Stereo sound system)
12 *3: RED/YEL(Stereo sound system)
13 GRY/BLK(Stereo sound system)
14 BLU(Stereo sound system)
15 BRN/BLK(Stereo sound system)
16 RED/GBN(Stereo sound system)
- Blue- lvlounted to side of under-dash fuse/relay box- Connects floor wire harness to dashboardwtre narness
1
2
3
5
6
7
*1= '96-'98 models*2: '99-'00 models*3= All except GX models
48. Data Link Connector (DLC)
- Gray- Below left side of dash, above kick panel- On main wire harness
4
6 LT BLU (SRS)
7
8 WHT/BED(Battery input)
9
10
12 BLK (G401)
13 BLK (G401)
14
15 BLU/YEL(DLC inpuVoutput)
47. C551
- Green- On rear of under-dash tuse/relay box- On floor wire harness
1 BED/GRN (Brake
system indicator light)
2
4 BLI(BLU(Rear window defogger)
5 GBN/RED (Brake
system indicator llght)
6 *1: WHT/RED(Trunk light)
7
8 Hatchback: GBN(Rear wiper/washer)
9
10
11 GRN/YEL(Turn signal andhazard warning lights)
13 RED/BLK(Headlight switch)
14
15 GRN/RED(Turn signal andhazard warning lights)
202-14
*1= Allexcept GX models
49. C419
- Green- On rear of under-dash fuse/relay box- On main wire harness
1 '98''00 models: RED(lgnition system)
2 WHT/RED (Fuse s4)
3 Canada: WHT (Fuse 48)
4 BLI(RED(Starting system)
5 WHT (Fuse 48)
6 WHT/RED (Fuse 43)
7 1*: WHT(Security system)
I *2: BLK,TYEL
{Power door locks)
I Canada: YEL/BLK(Headlights)
1O YEURED(Back up lights)
11
13 WHT/GRN (Fuse 51)
14 '96-'98 CVT: BLKWHT(A/T controls)
15 Canada: GRN/RED(Headlights)
16 A/Ti YEL (lnterlock
system)
17 RED/BLK(Headlight switch)
18 Canada: RED/GRN(Headlights)
"1 = USA: LX, EX, HX, DX-V SiCanada: EX, Si12 = '99100 USA: LX, EX, HX, DX-V Si

-57. c723
- Connects heater-sub-A wire harness to
heater-sub-B wire harness
'96-'98 Models:- Gray- Below right side of dash
l BLUAVHT(Blower controls)
2 BLU (Blower controls)
3 YEL (Air delivery)
4 WHT/BLU (A/Ccompressor controls)
5 RED (Dash lights)
6 GRN^VHT (Air delivery)
7 GRN/RED (A r delivery)
I BLUAVHT (Air delivery)
9 BLK,ryEL (Air delivery)
10 YEUBLU (Air delivery)
11 BLU/YEL(Blower controls)
12 BED/BLK (Dash lights)
13 BLK (G402)
t4
15 BLK (Blower conlrols)
16 BLU/BLK(Blower controls)
18 BLU/RED (A/C
compressor controls)
19 GRN/YEL (Air delivery)
20 YEURED (Air delivery)
'99-'00 Models:- Blue- Behind center ot dash
1 RED/BLK (Dash lights)
2 BRNMHT (Au delivery)
4 GRNA/VHT (Air delvery)
5 GBN/BED (Air delivery)
6 GRN/YEL (Alr delivery)
7 YEURED (Air delivery)
8 BLU,ryVHT (Au delivery)
9 YEL (An delivery)
10 YEUBLU (Arr delivery)
11 LT GRN/BLK(Blower controls)
12 ORN,AiVHT(Blower controls)
13 BBN (Air delivery)
14 RED (Dash lights)
15 GRY (Air delrvery)
16 RED,ryVHT (Air delivery)
17 RED/YEL (Air delivery)
18 PNK/BLK (Air delivery)
19
20 BLU/RED (A/C
compressor controls)
21 BLUI/EL(Bear window defogger)
22 WHT/BLU (Fuse 47)
23 BLKryEL (Fuse 17)
24 BLK \G402)
I
1415617I910
1l1213141617181920
58. Security Control UnitiC447lC516
- Green- Above radio ('96-98) or right of steering column
(99-'00)
USA: HX, LX, EX, DX-V Si; Canada: EX, Si:
1 USA: YEUBLU(Set)
2 LT GRN/RED(Door swiich input)
3 BLU/BLK(Trunk switch rnput)
4
5 BLU (valet switch inpu0
6 Canadai GFNAVHT(Lock output)
7 Canada: BLU/YEL(Driver's door lockoulpurJ
I Canada: GRN/OBN(Unlock output)
9
10 WHT (Battery)
11 YEL (lgnition)
12 USA: OHN (Alarm in)
CX and DX:
1
2 LT GRN/BLK(Door open input)
3 BLU/BLK(Trunk/hatch openinput)
5 '96 '98: BLU (Security
ndicator control)99- 00: BLU(Valel switch input)
6
7
B
I
10 WHT (Battery input)
13 BLK (G401)
14 BLUMHT(Security LED conkol)
15 BLU/RED (lgnitionkey switch input)
17 REDAVHI(Light flash control)
18 GRY (Horn conkol)
19 RED/YEL(Starter cut output)
20 Canada: LT GRN(Nol used)
21 ,96-,98 USA: LT BLU(Security output)
22 '96 98 USA: WHT/BLK(Bus data 0)'99-'00 USA: BLU/YEL(Unset)
11 BLK/YEL (lgnition input)
13 BLK (Ground)
14 RED (Security indicatorcontrol)
15 BLU/RED(Key in ignition input)
16
17 BLU or BLU/YEL(Light tlash control)
18 GRY (Horn control)
19 GRN(Slarter cut control)
20
22
1><678910
1112131415rGlxllT1819202122
202-17

Connector Views (cont'd)
60. c411
- Blue- Mounted to top ol under-dash fuse/relay box- Connects main wire harness to dashboard harness
'95198 Models excepl GXI
1 *1: RED/GRN(PGrvr-FD
2 A2: WHT(Security system)
(Security system)
4
5 BLU (SRS)
6 *2r GRY(Cruise control)
7 *2: BLU/RED(Security system)
8 RED/BLU(Cruise control)
9 LT GRN (Cruise control)
10 '96-97 models:BLU/YEL (ABS)
11 YEUGRN (Gauges)
12 RED (Dash andconsole lights)'13 LT GRN/RED(Ceiling light)
*1 = With shitt-up indicator
14 USA LX, EX, and HX:LT GRN/BLK
{Ceiling light)Except USA LX,EX and HX:ftrale - LT GRN/REDFemale - LT GRN/BLK(Ceiling light)
15 WHT/BLK(Hazard warning lights)
16 *2: RED|YEL(Security system)
17 *2: REDA/VHT(Security system)
18 WHT/BLU (Stereo
sound system)
19 BLU (lgnition system)
20 RED/BLU(Seat bett reminder)
21 GRN/OBN (PGN4 FD
22 BLUAVHT (VSS)
23 YEURED (Oil pressure
indicator system)
24 BLU/RED (ABS)
USA: LX: EX, HXCanadar EX, Si
202-20
'98 GX and All '99-'00 Models:
1
2
4 All except GX: BLU/YEL(Rear window defogger)
5 BLU (SRS)
7
B RED/BLU(Cruise control)
9 LT GRN {Cruise control)
10 *1: PNK (lnd cators)GX: BLU/YEL (Bear
window defo9ger)
1l YEL/GBN (Gauges)
12 RED (Dash andconsole lights)
13 *2: Male - LT GRN/REDFemale - Not used(Ceiling light)
14
15 WHT/BLK(Hazard warning lights)
18 WHT/BLU(Stereo sound system)
19 BLU (lgnition systemano gaugesl
20 RED/BLU(Seat bell reminder)
21 GRN/ORN (PG[,4-Fl)
22 BLU,ryVHT O/SS)23 YEURED(Oil pressure indicator)
24 BLU/RED (ABS)
*1 = Allexcept CW and GX*2= All except GX