1999 HONDA CIVIC ac system

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

Security System (conrd)
Parking Lights Do Not Flash (CX, DX)
1 . Do the parking lights, headlights, and taillights
come on with the headlight switch in the HEAD
position?
Yes - Go to the next step.
No - Repair the parking lights, headlights, or
taillights circuit.
2. ls there battery voltage at terminals 1 and 2 of
the light flasher relay connector?
dHl
.t.
Yes - Go to the next step.
No - Repair the open in the WHT wire
between fuse 48 and the light flasher
relay.
ls there battery voltage at terminal 4 of the light
flasher relay connector?
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tlllJt3l4l
Intvl
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Yes - Go to the next step.
No - Replace the light flasher relay.
With the light flasher relay connector
disconnected, run a jumper wire from terminal 1
to terminal 3.
Do the parking lights and taillights come on?
Yes - Go to the next step.
No - Repair the open in the RED/GRN wire.
133-24
5. Does the voltage at terminal 4 of the light flasher
relay connector change from battery voltage to 0
volts repeatedly when the system is in the alarm
triggered mode?
Yes - Replace the light flasher relay.
No - Go to the next step.
With the security control unit connector
disconnected, run a jumper wire from termrnal
17 to ground.
Do the parking lights come on?
Yes - Replace the security control unit.
No - Repair the open in the terminal 17
(REDAIVHT) wire.
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I=

Security System (cont'd)
Security System Status LED Stays On
(HX, LX, EX, DX-V, Si)
1 . Does the security system status LED go out
when the security control unit connector is
disconnected?
Yes - Replace the security control unit.
No - '96-'98 models: Go to the next steD.'99 models: Locate and repair the short in
the BLUMHT wire between the security
LED and the security control unit
connector.
2. Does the security system status LED go out
when the keyless entry connector (B) is
disconnected?
Yes - Locate and repair the short in the
BLU,ryVHT wire behveen the keyless entry
harness connector (B) and the security
control unil connector.
No - Beplace the radio,
133-26
Security System Status LED Does Not
Come On ('96-'98 HX, LX, EX)
1 . ls there voltage at terminal 11 of the keyless
entry harness connector (B)?
Yes - Go to the next steo.
No - Replace the radio.
ls there voltage at terminal 14 of the security
control unit connector?
Yes - Go to the next steo,
No- Locate and repair the open in the
BLUMHT wire.
With the keyless entry harness connector (B)
connected, run a jumper from terminal 14 of the
security control unit connector to ground.
Does the securitv status LED come on?
Yes - Replace the security control unit.
No - Reolace the radio.

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.
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I=
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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.
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lnterlock System
- Allexcept'96-'98 CVT
page 10-12.
FUSE 33{INTEBLCICKuNrI)
WHIICRN
OASH I HOOD
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page 10-13. I BoxL.J------ --J PHotoi
*1 = 96 D16Y8 engine: Allexceptuoupes'97 D16Y7 engine: All exceptCalifornia Coupe and CaliforniaSedan LX'97 D16Y8 engine: All exceptCoupes and Calilornia SedanD1685 engine: All*2 = '96 D16Y8 engine: AllCoupes'97 D16Y7 engine: CaliforniaCoupe, California Sedan LX'97 D16Y8 englne: AllCoupes,Calilornia Sedan'98 model: All*3 = '99 model: All
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I near lne snrn rever - TNTERLOCK
ll wxrneo t CONTROL UNIT
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T-----1 UNDER-FUSE 25
See Power I BOtDisilibution, : pHb'ro ss
.---- page 10-6. I 8 i, C352-----J' c419""'''A\Fi#"i: wHr/cRN see power
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See A/T GearPosition Indicator
A/T GEARPOSITIONswtTcHc433
BLK I-
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BLK1BLK
f, 9e€urutse
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IControl
ilt:tfi'F1
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See GroundDistribution,page 14-5.
-l#: G401PHO|O 57
Key IntedockClrcuitAllows keyint€rlocksolenoid tobe energizedunless shiftlever is in "P"
Shltt Lock ChcuilPrevents shifi bcksolenoid tromenergizing unlessbrake p€dal isd€pfessed ardacc€le{ator pedal isnot depr€ssed.
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138

- '96-'98 CVT
l-l-'l BRAKE SWTTCH r--'l THROTTLE
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=ffan+'INTERLOCKCONTROLUNIT
vtEw 26
;-;5[ BLKBIUI BLKBTU See A/f Gearar< Positioni lndicator
NOTE:ln case of systemmalfunction, theshift lever can bereleased by pushingthe ignition key intothe release slot nearthe shitt lever.-------r A/T GEAR
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Shltt Lock ClrcuilPrevents shift locksolenoid lrom€nergizing unleesbrake p€dal isdepressed andaccelerator pedal isnot depressed.
Key ldedockClrcultAllows k€yinterlocksolenoid tobe energizedunl6ss shittlever is in'P"
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138-1

Stereo Sound System
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c351
FUSE 28RAOIOCLOCK
(15A 9A no{br.)
c501
vlEw 55
UNDER-DASHFUSE/RELAYBOX
't9c928OPTIONCONNECTOR
* = '96.98 models
aa4,See PowerDistribution,page 10-11.
18c411
vlEw 60
See Dash andConsole Lights
.^fi;l ;,tr
rA2)8
BLU
14
BLU
1(with power mirrors 16)
REO/GFNor BLU
I RED/GRN I' (96 s7 moders BLU) r
ra10)18
GRY/BLK
13
(with power mirror6 17)
BRN/BLKor GRYIBIK
rAe)17
BFN/ALK
BRN/BLK
(with power mirrors 7)
RED/GRN
1C556 (with oower milors 6)PHA|O93vtEw 61 aLUor RED/GRN
,ELU,' (s6 97 modes FEO/GFN)
ra1)?
REO/GFN
c503
GFY/BLKor BRN/ALK
c557
vtEw 62
' RED
, BLU,1
.'I LEFTI I TWEETERRIGHT . 1
TWEETER.
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GFY/BLK
BFN/BLK)
150
Tweeters