1998 HONDA CIVIC latch

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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12345X67I910
1112131415rol171819202122
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

Security System (cont'd)
Security System Does Not Work ln Any
Mode (CX, DX)
1. ls luse 54 (in the under-hood fuse box) OK?
Yes - Go to the next step.
No - Repiace the blown fuse, then go to the
next step.
2. ls the fuse in the securiiy in-line fuse holder OK?
Yes - Go to the next step.
No - Replace the blown fuse, then go to next
srep.
3. Does either fuse blow again?
Yes - Locate and repair the short.
No - Retest the system.
4. ls there battery voltage at terminal 10 of the
security control unit connector?
Yes - Go to the next step.
No - Locate the open in the wiring between
fuse 54 and the security control unit.
ls there continuity from terminal 13 ol the
security control unit connector to ground?
Yes - Replace the security control unit.
No - Locate the open in the wiring between the
securitv control unit and G401.
5.
133-18
Security System Does Not Arm (CX, DX)
1. Place the ceiling light in the center position.
Does the ceiling light come on, even with all the
doors closed?
Yes - Faulty door switch or short in wiring to
door switches.
No - Go to the next steo.
2. With the ignition switch in the ON (ll) position,
does the trunk open indicator in the gauge
assembly come on, even with the trunk closed?
Yes - Faulty trunk latch switch or short in the
BLU/BLK wire.
No - Go to the next step.
3. Does voltage at terminal 2 of the security control
unit connector change from battery voltage with
all doors closed, to less than 1 volt when any
door is ooened?
Yes - Go to the next step.
No - Repair the open in the terminal 2
(LT GRN/BLK or LT GRN/RED) wire.
Does voltage at terminal 3 of the security control
unit connector change from battery voltage with
the trunk closed, to less than 1 volt when the
trunk is oDened?
v]" - R"pt"." tne security control unit.
No - Bepair the open in the terminal 3
(BLU/BLK) wire.

Security System Does Not Arm
(HX, LX, EX, DX-V, Si)
1. With all the doors closed, do the doors lock
when you press the transmitter LOCK button?
Yes - Go to the next steo.
No - Go to Doors Do Not Lock With The
Transmitter, on page 130-11 ('96-98
models) or 1 30-18 ('99 models).
Check the trunk open indicator in the gauge
assembly. With the ignition switch in the ON (ll)
position, does the trunk open indicator come on
even with the trunk closed?
Yes - Faulty trunk latch switch or shod in
BLU/BLK wire.
No - Go to the next steo.
Does the voltage at terminal 2 of the security
control unit connector change from
approximately 5 volts with all doors closed, to
less than 1 volt when any door is opened?
Yes - Go to the next step.
No - Repair the damaged terminal 2
(LT GRN/RED) wire.
Does the voltage at terminal 3 of the security
control unit connector change from battery
voltage with the trunk closed, to less than 1 volt
when the trunk is ooened?
Yes - Go to the next steo.
No - Repair the damaged terminal 3
{BLU/BLK) wire.
Does the voltage at terminal 15 of the security
control unit connector change from battery
voltage the key is not in the ignition, to less than
1 volt when the key is in the ignition?
5.
o.
Yes - Go to the-next step.
No - Repair the damaged terminal 15
(BLU/RED) wire.
ls ihere approximately 5 volts at terminal 22 of
the security control unit connector?
Yes - Go to the next step.
No - Replace the security control unit.
7. ls there approximately 5 volts at terminal 12
('96-'98 models) or 14 ('99 models) of the
keyless receiver unit ('96-98 models) or the
keyless door lock control unit ('99 models)?'96198 modelsi
Yes - Replace the radio ('96-'98 models) or the
keyless door lock control unit ('99
models).
No - Repair the damaged WHT/BLK ('96-'98
models) or BLU/YEL ('99 models) wire
between the security control unit and the
radio ('96-98 models) or the keyless door
lock control unit ('99 models).
133-19

Security System Alarm Does Not Trigger
When The System ls Armed And The
Trunk Or A Door ls Opened
Security System Does Not "Be€p" 3 Times
When The System is Armed With The Trunk
Or A Door Open (HX, LX, EX, Dx-V SD
1. Place the ceiling light in the center position, then
open and close the doors one at a time. Do all
the doors operate the ceiling light properly?
Yes - Go to the next steo.
No - Repair the ceiling light circuit.
With the ignition switch in the ON (ll) position,
does the trunk open indicator in the gauge
assembly come on with the trunk open?
Yes - Go to the next step.
No - Faulty trunk latch switch or an open in the
BLU/BLK wire.
Does the voltage at terminal 2 of the security
control unit connector change trom battery
voltage with all doors closed, to less than I volt
when any door is opened?
Yes - Go to the next step.
No - Repair the open in the terminal 2
(LT GRN/RED) wire.
4. Does the voltage at terminal 3 of the security
control unit connector change from battery
voltage with the trunk closed, to less than 1 volt
when the trunk is opened?
Yes - Replace the security control unit.
No - ReDair the oDen in the terminal 3
(BLU/BLK) wire.
133-23

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.1: CouDe: '96198 models, Sedan: '96-98 models except GX'2: CouDe: '99r00 models
Connector
or
Terminal
Number ot
Cavities/
Color
LocatlonConnects toNotes
Rear Wire Harness (Coupe: '96-'00 models/Sedan: '96-'98 models)
UCOZ
w?oz
c562
tJJO.t
c603
c604
TJOUC
TJOUO
c609
c610
c611
c612
c613
c614
c615
c616
uot/
8.GRY
14-GRY
2O-GRY
2-BRN
2-GRY
4-GRY
4-GRY
2-GRY
1-BLK
2.BRN
2.GRY
1-BLK
4.GRY
2.BRN
2.BTK
2-BRN
4.GRY
Left quarter panel
Left quarter panel
Left quarter panel
Left quarter panel
Left quarter panel
Left side of trunk
Right side of trunk
Right quarter panel
Left side of rear window
Middle of rear shelf
Middle of rear shelf
Right side of rear window
Left side of trunk lid
Middle of trunk lid
Middle ot trunk lid
Middle of trunk lid
Right side of trunk lid
Floor wire harness
Floor wire harness
Floor wire harness
Floor wire harness
Left rear speaker
Left outer taillight
Righl outer taillight
Right rear speaker
Rear window defogger (+)
High mount brake light
Trunk light
Rear window defogger (-)
Left inner taillight
Left license plate light
Trunk latch switch
Right license plate lighl
Right inner taillight
GX"1
'96r98
Optional
Optional
G601Middle of trunkBody ground, via rear wire hamess
EEAR WIRE HARNESS
203-33

Connector ldentification and Wire Harness Routinq
Connector
ol
Terminal
Number of
Cavities/
Color
LocationConnects toNotesll..
Rear Wire Harness (Sedan): '99-'00 models
G601 (GX) orG602 (excepi GX)
c619
c605
c617
ca21
c616
c610
c615
G6O1 (excrpt GX)
c562 Cs63 C609
c603canl
c614
c6t3
c562
cs62
c563
c603
c604
UOUS
c609
c610
c611
c612
c613
c614
c615
c618
c619
c620
c621
c622
c623
2O.GRY
8.GRY
2-BRN
2.GRY
4-GRY
4-GRY
2-GRY'I-BLK
2.BRN
2.GRY
1-BLK
3-GRY
2.GRY
2.BLK
2-GRY
3.GRY
2-GRY
2.GRY
2-GRY
2-GRY
1-BRN
1.BRN
Left quarter panel
Left quarter panel
Left quarter panel
Left quarter panel
Left side of trunk
Right side ot trunk
Bight quarter panel
Lett side of rear window
Middle of rear shelf
Middle of rear shelf
Right side ol rear window
Lett side ot trunk lid
Middle ot trunk lid
Middle ot trunk lid
Middle of trunk lid
Right side oI trunk lid
Left side of trunk
Right side of trunk
Lett sids oI lrunk lid
Right side of trunk lid
Mlddle ol rear shell
Mlddle ol rear shelf
Floor wire harn€ss
Floor wir€ harness
Floor wire harness
Left r€ar spgaker
Lett brake lighvouter taillight
Right brake lighuouter taillight
Right rsar speaker
Rear window detogger (+)
High mount brake light
Trunk light
Rear window defogger (-)
Lett back-up lighl
Lett license plate light
Trunk latch switch
Right license plate light
Right back-up light
Lett rear turn signal light
Bight rear turn signal light
Lefl inner taillight
Right inner taillight
Window antsnna coil connector C
Window antenna coil connector A
except GX
GX
GX
Optional
Optional
GX
GX
except GX
excspt GX
G601
G602
Middle of trunk
Mlddle ot rear shelf
Body ground, via rear wire hamess
Body ground, via rear wire hamessexcept GX
Rear Window Defogger Wire (except GX)
c831
c832
c883
2-BRN'1-BLK
'1-BLK
Middle of r€ar shelt
Lelt side ot rear window
Right side of rear window
Window antenna coil connector B
Rear window defogger (+)
Rear window defogger (-)
203-34
REAR WIRE HAFNESSc62,.
c6m