1999 HONDA CIVIC c 131

Ir
Security Control Unit Input Test
The following tests are performed with the electrical conneclor disconnected from the security control unit.
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TerminalNo.WireColorTest ConditionTest: Desired ResultPossible Cause il result is not obtained
2LT GRN/REDEach door opened,one at a timeCheck for conlinuity to ground:
There should be continuity.
Faulty door switch
An open in the wirea
3BLU/BLKTrunUHatch openCheck for continuity to ground:
There should be continuity.
aFaulty trunldhatch latch switch
An open in the wirea
10WHTUnder all conditionsCheck tor voltage to ground:
There should be batteryvoltage.
. Blown No. 6 (3A) fuse in theunder-hood fuse/relay box(HX, LX, EX, DX-V Si)
. Blown No. 54 (40A) fuse in theunder-hood fuse/relay box (CX, DX)
. Blown (3A) fuse in security in-linefuse holder (CX, DX)
. An open in the wire
11YEL(BLK/YEL
cx, DX)lgnition switch ON (ll)Check for voltage to ground:
There should be batteryvoltage.
. Blown No 3 (10A) fuse in theunder-dash tuse/relay box(HX, LX, EX, DX.V, Si)
. Blown (3A) fuse in the security in-linefuse holder (CX, DX)
. An open in the wire
BLKUnder all conditionsCheck for continuity to ground:
There should be continuity.
aPoor ground (G401, G402)
An open in the wirea
t5BLU/RED
lgnition key insertedinto the ignition keyswitch
Check for voltage to ground:
There should be 1 V or less.aPoor ground (G401, G402)
Faulty ignition key switch
An open in the wire
Short in the wire
a
a
algnition key removedfrom the ignition keyswitch
Check for voltage to ground:
There should be 4 V or more.
18GRYUnder all conditionsConnect to ground:
Horn should sound.
. Blown No.52 (15A) luse in theunder-hood luse/relay box
. Faulty horn
. Faulty horn relay
. An open in the wire
133-15

127.Letl Rear of Trunk ('98)130. Behind Left Side of Dash\
128. Rear of Dl6Y8 Engine with n/VT (B16AZD16Y5 Similar)131. Underside of Vehicle, Rear of Engine
129. Behind Left Side of Dash ('98)132. Underside of Hatch Lid ('98-'00)
b
201-21

-43. Cruise Control Unit
- Gray ('96-'97 models) or Blue ('98-'00 models)- Behind lett side ol dash- On main wire harness
'96-'97 Models:
1 BRN (Cruise controlactuator control)
2 GBY(Brake switch input)
3 BLK (Ground)
4 GRN,ryVHT(Brake switch Input)
5 LT GRN/RED(Set/decel signal inPUt)
6 LT GRN/BLK(Resume/accel inPut)
7
'98-'00 Models:
'I BBN (Actuator control)
2 GRY(Brake switch input)
3 BLK (G401)
4
5 GRN,^/VHT(8rake switch rnput)
6 LT GRN/RED(Set/decel signal inPut)
7 LT GRN/BLK(Resume/accelsignalinput)
8 BRN,AiVHT(Vent solenoid control)
9 RED/BLU("Cruise Control"indicator light conkol)
10 BRN/BLK (Vacuum
solenoid controi)
12 BLUMHT(Vehicle speed input)
13 LT GRN (Power input)
14 PNK (Dlsengage input)
8 *1: BLU/GRN(Cruise signal)
9 BFN/WHT
{Actuator control)
1O RED/ALU(lndicator light conkol)
11 BRN/BLK(Actuator control)
12 BLU,ryVHT(Vehicle speed input)
13 LT GRN (Power input)
14 PNK (Dlsengage input)
\
17
II1011'121314
*1= 99-'00 w(h A/T
202-13
44. Heater Control Panel ('96-'98)
- Green- Center ol dash- On heater-sub-B wire harness
1 YEL (H/DEF control)
2 BLKTYEL (lgnition input)
3 WHT/BLU(Battery input)
4 YEUBLU(Defrost control)
5 RED (lllumination -)
6 RED/BLK (lllumination +)
7 ELUruVHT (Heat conkol)
8 YEL/RED (Vent control)
9 GRN/YEL(Bl'LEV control)
10 BLK (Ground)
11 BLU/FED(lVC thermostat input)
12 GRNMHT(Fresh control)13 GRN/FED(Recirc. control)
14 GRN (A/C ON input)
45. c440
- Blue- Below right side of dash- Connects main wire harness to heater-sub-A
wrre narness
2 BLK (G402)
3 BLU/WHT(Blower controls)
4 '99-'00: BLU/YEL(Rear window defoggeo
7
9
10
11 WHT/BLU (Fuse 47)
12 BLK (G402)
13 RED (Dash andconsole Iights)
14 RED/BLK (Dash andconsole lights)
15 BLUAVHT (FVC
compressor conkols)
16 BLK/YEL (Air delivery)

-50. c421
- Green- On rear of under-dash fuse/relay box- On main wire harness
I
l RED/YEL(Headlight switch)
2 BLIVBLU (ABS)
3 RED/GRN(Headlight switch)
4 GFIN/BLK(Front wiper/washer)
5 FED/BLU(Headlight swrtch)
6 WHT/BLU(Charging systern)
7
9 REDAVHT(Headlight switch)
10 GRN/YEL (Turn signaland hazard lights)
11
12 USA: BLKAVHT(Charging system)
13 BLKryVHT (Fuse 15)
14 GRN/RED (Brake
indicator system light)
16 GRN/RED (Turn signaland hazard lights)
17 BED/BLK(Headlight switch)
18 RED/BLK(Headlight switch)
52. C130
- Brown- Below right side ot dash panel- Engine wire harness junction connector
T---------"1
1 8RN/BLK (G101)
2 BRN/BLK (G101)
3 BRN/BLK (G101)
4 BRN/BLK (G101)
5 BRN/BLK (G101)
6 BRN/BLK (G101)
7 BRN/BLK (G101)
I BRN/BLK (G101)
9 BRN/BLK (G101)
10 BBN/BLK (G101)
L---------J
Terminals grouped together areconnected by the sarre bus bar.
*1= 96- 98 models: All except D16Y5'99-'00 models: D1685*2= 96-98 models: D16Y5/D1685'99- 00r All except D1685
11 BLUMHT (VSS)
12 BLU,ryVHT (VSS)
13 BLU,^/VHT (VSS)L_-_____--Jr---------'1
14 YEL/BLK (PGl\4-Fl)
15 YEL/BLK (PGr\4'Fr)
16 YEUBLK (PGI\4,FI)
17 YEUBLK (PGr\4,Fr)L______---JT----------118 *1: GRN (Fans)*2: YEUBLU (PGM-Fl)
19 *1: GRN (Fans).2: YEUBLU (PGM-Fl)
20 *1: GRN (Fans).2: YEUBLU (PGM-Fl)_______--J
51. SRS Unit
- Yellow- Below center oJ dash- On SRS marn wire harness
1 GFY (1) or GRN(Drivefs nflator)
2
3 GRY (17) or GRN(lgn tion input)
6 GRY (21) or GRN(SRS indicalor control)
7 GRY (18) or GRN(lgnition nput)
8 GBY (14) or GRN (MES)
9 GBY (13) of GRN(Service checkconnector input)
10 GRY (4) or GRN(Frt. pass. inflato4
11
13 GBY (2) or GRN(Drivefs nflator)
14 GBY (5) or GRN(Frt. pass. inflator)
15 GRY (3) or GRN(DLC input/output)
16 GRY (19) or GRN(G801)
17 GRY (20) or GRN(G801)
1B GRY (6) or GRN (MES)
13678
10Il12131415't7't8
53. C420
- Green- On rear of under-dash fuse/relay box- On main wire harness
1 Canadar RED/BLU(Headlights)
2
3 8LK (G401)
5 WHT/GRN(Rear window defogger)
6 WHT/BLU(Power windows)
7
8 YEL/GRN (PGM-FD
I BLK//EL (Fuse 17)
1O BLUAVHT (PGM,FI)
1 1 BLUMHT (PGI,4-FI)
14
16 Canada: BLKAVHT(Headlights)
18 A/Tr WHT/GRN(lnterlock system)
19
20 WHT/RED(Ceiling light)
202-15

-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)
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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
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