trunk HONDA CIVIC 1999 6.G Service Manual

Ceiling Light, Trunk Light, and Spotlights
LT GRN/ALK
'96.98 USA: CX, DX'96.[98 Canada: All
'96-'98 USA:LX, EX, and HX
'98: GX'99100: All except DX
UNIT
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13LTGRN/RED
See PowerDoor Locksirruot L-T:i"iiy @o
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IT GRN/fiED
LT GFN/AEO
11(- 15)
LT GAN/RED
c401
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RIGHT ;REARDOORSWITCH :Closed with ;door open. ,
LEFTREARDOORswtTcHClosed withdoor open.
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LT GFN/
i
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114-2

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r=Male-Female
terminals aeversedfor'99-'00 models
Se€ Pow€rDisfibution,pag61o-t0.
_J_____ __J PHoto 58
:I
DASHFUSE/RELAYBOX
20
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LT GAN/EIK or lT GRN/RED
+
114-3

Power Door Locks (cont'd)
Keyless Entry Does Not Work In Any
Mode
NOTE: Before beginning, verify that all the
transmitters are programmed to the vehicle.
1 . Does the radio work properly?
Yes - Go to step 9.
No - Go to the neld step.
NOTE: For steos 2 - 8. refer to the schematic dia-
gram for the Stereo Sound System on page 150.
2. Are fuses 28 (in the under-dash fuse box) and
fuse 47 (in the under-hood fuse box) OK?
Yes - Go to step 4.
No - Replace the blown fuse, then go to the
nen steo.
3. Does the fuse blow again?
Yes - Locate and repair the short.
No- Retest the system.
4. ls the vehicle equipped with the optional security
system?
Yes - Go to the next steP.
No - Go to steD 6.
5. Does the keyless entry work correctly when the
security control unit connector is disconnected?
Yes - Faulty security system, go to security
system for f urther troubleshooting.
No - Go to the next step.
6. ls there battery voltage at terminal 4 of the radio
main harness connector (A)?
7.
=A
Yes - Go to the nen step.
No - Locate the open in the wiring between
tuse 47 and the radio.
ls there battery voltage at terminal 5 of the radio
main harness connector (A), when the ignition
switch is in the ACC (l) or ON (ll) position?
Yes - Go to the next step.
No - Locate the open in the wiring between
fuse 28 and the radio.
130-8
8. ls there continuity from terminal 14 of the radio
main harness connector (A) to ground?
Yes - Replace the radio.
No - Repair the open in the wiring between the
radio and the ground (G501).
9. Does the transmitter LED come on when any ot
the buttons are oressed?
Yes - Go to steo 12.
No - Go to the next steo.'10.ls the transmitter battery installed with the
positive side facing up?
Yes - Ensure that the battery contact tabs are
repositioned, then replace the battery.
Remove the key from the ignition, then
close the doors and trunk. Press the
LOCK button on the transmitter six times,
then go to the next step.
No - Ensure that the baftery contact tabs are
repositioned, then reinstall the batlery
correctly. Then reprogram the transmitter
and retest it. Use the procedure on page
1 30-4 f or transmitter programming.
11 . Does the transmitter LED come on when any of
the buttons are oressed?
Yes - Go to the next step.
No - Replace the transmitter and program it by
using the procedure on page 130-4.
12.Does the system work properly in all modes?
Yes - Finished. The system is OK.
No - Go to the next steD.

rl,
;
Keyless Entry Does Not Work ln Any
Mode
NOTE: Before beginning, verify that all the
transmitters are programmed to the vehicle.
1. ls the vehicle equipped with the optional security
system?
Yes - Go to the next steD.
No - Go to step 3.
2. Does lhe keyless entry work correctly when the
security control unit connector is disconnected?
Yes - Faulty security system, go to security
system for f urther lroubleshooting.
No - Go to the next steo.
3. Does the transmitter LED come on when anv of
the buttons are pressed?
Yes - Go to step 6.
No - Go to the next step.
4. ls the transmitter battery installed with the
positive side facing up?
Yes - Ensure that the battery contact tabs are
repositioned, then replace the battery.
Remove the key trom the ignition, then
close the doors and trunk. Press the
LOCK button on the transmitter six times,
then go to the next step.
No - Ensure that the battery contact tabs are
repositioned, then reinstall the battery
correctly. Then reprogram the transmitter
and retest it. Use the procedure on page
1 30-1 4 for transmitter programming.

130-17
7.
Does the transmitter LED come on when anv of
the buttons are oressed?
Yes - Go to the next steo.
No - Replace the transmitter and program it by
using the procedure on page 130-14.
Does the system work properly in all modes?
Yes - Finished. The system is OK.
No - Go to the next step.
Recheck with a known good transmitter
reprogrammed to the vehicle. Does the system
work properly in all modes?
Yes - Replace the transmitter and program it by
using the procedure on page 130-14.
No - Replace the keyless door lock control unit.

Security System
- '96-'98 USA: HX, LX, EX; '96-'98 Canada: EX, Si (cont'd)
I ooor
| #Iflinput
-----l sEcuRlrY
LT CRN/FED
LT GFN/RED
LT GBN/REO
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c401
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Light
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LTGRN/REO i ; LT GFN/T,FED
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DOOR SWICH:Closed with :door open.PHOTO 96HH
LEFTREARDOORSWITCHClosed withdoor open.
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PHOfO 97
133-2

UNDER.HOODl t FUsE4s I FUSEiRELAY! xamucnr ! BoX
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Soe Pow€r Distdbulion,page 1&12,
Combination LightSwitch ConnectorE2
SeelndicatorsCOMBINATIONI I LIGHT SWITCH
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LIGHTFLASHERRELAY
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See HeadlightSwiich,peg61(n.
EXTERIORLIGHTS
Seo GroundDistribution
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'9+ 97 models
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+ 9131",,,
133-11

How the Circuit Works
Arming the Security System
The security system can be armed:
r By pressing the remote control LOCK button
(if equipped)
. 20 seconds atter closing all doors (C)UDX only)
Arming with the Transmitter
The security system can be armed by removing the
ignition key from the ignition switch, closing all
doors and the trunk, and pressing the LOCK button
on the transmitter. When you arm the system in this
way, the remote control LED comes on, the status
LED flashes once per second, the parking lights
flash once. the doors lock. and the horn sounds
once if the beeo sound mode is on.
Passive Arming (CX and Dx only)
When you turn the ignition to OFF, remove the
ignition key from the ignition switch, and close all
the doors and the trunk; the system will
automatically arm itself 20 seconds after the trunk
or last door is closed. When you arm the system
this way, the status LED tlashes 4 times per second
during the exit delay time, and once per second
after the system is armed; the parking lights will
flash once to confirm that the system is armed.
Triggering the Alarm
Atter you've armed the system, it will trigger the
alarm if any door or the trunldhatch is opened. lf the
battery is disconnected when the system is armed or
in the alarm mode, reconnecting it will immediately
trigger the alarm. When the alarm is triggered, the
following will occur for 30 seconds:
. the horn sounds
o the parking lights flash once per second
. the status LED flashes hvice oer second
. the starter is disabled
After 30 seconds, the alarm will stop and the
system will rearm. Pressing the transmitter
UNLOCK button will disarm the svstem.
tlr
133-13
Disarming the System without the Remote
Transmitter (HX, LX, and EX)
You can disarm the system by turning the ignition
switch to ON (ll) and pressing the disarm/valet
switch on the right side ol the stereo tuner face. The
disarm switch will also disarm the svstem after the
system has been triggered.
Disarming the System with the Remote
Transmitter (Hx, Lx, Ex, DX-V, and Si)
Pressing the transmitter UNLOCK button will disarm
the system. The parking lights llash t\ivice if the
alarm has not been tnggered. The parking lights
flash three times if the alarm has been triggered.
The driver's door will unlock. lf you press the unlock
button twice, it will unlock all doors. lf a door is not
opened within 30 seconds, the system will lock all
doors and rearm.
Disarming the System (CX and DX only)
lf the system arms itself, there is a 20 second delay
after you open a door before the alarm will trigger.
To disarm the system in this mode, simply turn the
ignition switch to the ON position
ldentitying Tripped Sensors
The system identifies which sensor trips the alarm
by flashing the status LED. To display the trip
sensor flash code, press the disarm/valet switch 3
times within 5 seconds after the system has been
disarmed. The status sensor will blink according to
the followino codes:
SensorsNumber of Flashes
Door
TrunldHatch
System Switches
1 blink, pause, repeat
2 blinks, pause, repeat
3 blinks, pause, repeat
For further operating instructions, see the security
syslem owner's manual.
(cont'd)

Security System (cont'd)
Security Control Unit Troubleshootlng
lf a faulty security system has one of the symptoms below, turn to the page listed and follow the appropriate
troubleshooting procedure. lf the symplom seems related to an input problem, or is not covered by the
troubleshooting procedures, do the Input Tests on page 133-15. Refer to the circuit schematic on pages 133
through 133-12 as needed.
Symptom lndex
Security Sysiem Does Not Work In Any Mode (HX, LX, EX)
Security System Does Not Work In Any Mode (CX, DX)
Security System Does Not Arm (CX, DX)
Security System Does Not Arm (HX, LX, EX, DX-V, SD
Security System Does Not Disarm With The Transmitler
(HX, LX, EX, DX-V, Si)
Security System Does Not Disarm (CX, DX) . . . .
Security System Does Not Disarm With The Valet Switch
c96-'98 HX, LX, EX) .
Security System Does Not Disarm With The Valet Switch ('99 models) . . .
Security System Do€s Not Work In The Valet Mode
('96.,98 HX, LX, EX) .
Security System Does Not Work InTheValetMode ('99 models) ........
Security System Alaim Does Not Trigger When The System ls Armed
And The Trunk Or A Door ls Ooened
Security System Does Not'Beep" 3 Times When The System ls Armed
With The Trunk Or A Door Open (HX, LX, EX, DX-V Si)
Parking Lights Do Not Flash (CX, DX)
Parking Lights Do Not Flash (HX, LX, EX, DX-V Si)
Security System Status LED Stays On (HX, LX, EX, DX-V Si)
Security System Status LED Does Not Com€ On (HX, LX, EX, DX-V, Si) .
Starter Cut Does Not Work Properly ('96198 HX, LX, EX, DX-V, SD . . . . . .
Starter Cut Does Not Work Properly (CX, DX) . . . . .
Hom Does Not Sound When Alarm ls Triggered
Input Tests
Page 133-17
Page 133-18
Page 133-18
Page 133-19
Page 133-20
Page 133-20
Page 133-21
Page 133-22
Page 133-21
Page 133-22
Page 133-23
Page 133-23
Page 133-24
Page 133-25
Page 133-26
Page 133-26
Page 133-27
Page 133-28
Page 133-29
Page 133- l5
133-14

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