1999 HONDA CIVIC 23-

Gruise Control
Actuator Disassembly
ACTUAYOR CABLE
0
o
ACTUATOR BRACKET
WIRE SUPPORT BRACKET
ACTUATORTest, page 23 245
SOLENOID VAI-VESTest, page 23 247
SOLENOIDSEAL
I
+*RlAC
E
23-250

Power Door Locks
Component Location Index
NOTE (With keyless entry systeml:
. It the doors unlock or lock with the transmitter, but the LED on the transmitter does not come on, the LED is faulty;
replace the transmitter'
. when vou unlock the doors with the transmitter, the ceiling light (middle position) comes on for 30 seconds. (However,
if the audio unit is not installed, the light does not come on )
. lf any door is open, you cannot lock or unlockthe doors with the transmitter'
. The horn sounds only the first time you press a transmitter button. (Pressing repeatedly does not activate the horn
again.)
o lf vou unlocked the doors with the transmitter, but do not open any of the doors within 30 seconds, the doors relock
automatically.
. The doors do not lock or unlock with the transmitter if the ignition key is inserted in the ignition switch
. lf you press the PANIC button for more than two seconds, the horn sounds for about 30 seconds, and the transm'fer
LED comes on. (The panic mode will not be activated iJ the ignition key is in the ignition switch ) The panic mode is
cancelled by pressing any of the transmitter buttons'
o After replacing the transmitter battery, press the lock and unlock buttons five or six times to activate the transmitter'
Replacement, section 20
FRONT PASSENGER'S DOOR LOCK ACTUATOR
RIGHT REAR DOOR LOCK ACTUATOR
Test, page 23-263
I.IFT REAR DOOR LOCK ACTUATOR
Test, page 23 263Replacement, section 20
LOCK ACTUATORTest, page 23-263Replacement, section 20
ORIVER'S DOOR LOCK SWITCH
Test, page 23'262
DOOR L@XCONTROL UN]TInput Test, page 23 255
23-251
Test, page 23-263Replacement, section 20
AUDIO UNIT(STER€O RADIO TUNER)
{'96 - 98 models)
lHas built-in keylessl
eceiver circuit IReplacement, page 23-189
Input Test, page 23-260
Terminals, page 23-262
KEYLESS DOOR LOCKCONTROL UNIT l'99 - 00 modelsl
Input Test, Page 23-257
l-l
TRANSMITTER99 - 0O transmitter shown;'96 -98 transmifter
also has an OPTION buttonTest, page 23-264Transmitter Programming, page 23_265
Qi,,a/
/----
L(ru
i'.-8,-'l
/'-'6

Power Door Locks
Circuit Diagram (With Keyless Entry System: '96 - 98 modelsl
WHTi BLK
WHT/BED
WHT/BLU
LOCK KNOB
n
Y KEY| -----.f--;-)
i-q__!J
8LK
G551
ll,o"., L
I PASSENGER'SI DoOF LOCKI ACTUATOR
IIYEUREO
WHT/RED WHT/FED
l,l,
tA-r rA] r.
qJ_*:[:,,,:
liqi*"""r llqi*'€trYELIRED YELi REDBLK
I
No.4l 180A) N0.42 (40A)
WHT/GRN
UNDER.HOOD FUSEi RELAY BOX
POWER OOOR LOCK CONTROL UN T
uNLocK@ rocK @
t'8LU/REDI'YELTRED
GRNiORN
GRN/]/VHT
BLK
G55l
23-252

)1
ITRUNKLIGHT
GRNiRED LT GRN/ NED
AA
Ii,llh* T#,
I lctoseo : Door open ) | (ctoseo . ooo, open
I Looen Doot dosed J I Loner :ooot closet
tl
ll-: -l
@
wl
r,*1.,. ,,Tr,
,
I llltii irl:rx l5|i;e''lv
|
'r-1--
I
IBLU/YEL
TGFIVRED
I *r.oro,ro
I coNTRor uNrr
fF7IY \IT \
|L GRN
AA
Y6su-' YFHrLo,,"
liili.}
',"**, r
liHi:
e*,**, r
ll-;
KEYLESS RECEIVER CIRCUIT(ln lhe audio unrl)
l"'l"l''o'*i*"
| |-"'i:"j^,"
l'*tectotroI coNTROL UNIT
I ,Y,
IBLU/RED
A
Y.r'ro,u
l:!llT -, ..".-
I
l-ope1 (ey temoved
BLK
I
);
G402
23-253

Power Door Locks
Circuit Diagram (With Keyless Entry System : '99-00 models)
BL(
I
G551
UNDEF.HOOO FUSE/RELAY BOX
N0.41 1804) N0.51 (20 )
KEYLESSDOOF LOCKCOIJTROL UNIT
DRIVEF'SDOOF LOCKSWITCH
23-254

UNDER HOOD FUSE/RELAY BOX
)1Circuit Diagram (Without Keyless Entry System)
Ir
l -,t
l'8LK
G551
23-255
ORIVER'SDOOR LOCKSW TCH
BLK
G55l
POWERDOOR LOCKCONTROT UN T

Power Door Locks
Troubleshooting
NOTE: The numbers in the table show the troubleshooting sequence.
*: With keyless entry system
NOTE:
. When the remote transmitter button is pressed the first time, only the driver's door will unlock. When the button is
pressed the second time, all the doors will unlock.
. Thedoorswill relock a utomatica lly after 30 seconds if a door is not opened, or the key is out ot the ign ition switch.
. The keyless entry system will not lock or unlock the doors when the key is in the ignition switch.
Item to be inspected
Symptom
s
{o
x6
tn6
l5
€5
5O
o:E,
ooo>
o
;
o
>t
6<
o:
3
:o
o
.9
':
E
F
q)
<5
I
E
c
Power door lock svstem does not work at all.1ucc IWHT/GRN
Doors don't lock with driver's
door lock knob switch.
All doorsI2BLU,ryVHT
One or more
doors
YEURED or
WHT/RED
Doors don't lock or unlock
with driver's door lock switch.
All doors
1
GRN/WHT,
GRN/ORN,
YEURED or
WHT/RED
One or more
ooors
YEURED or
WHT/RED
*The power door lock system works properly but
the keyless entry system doesn't.1G401
G402
GRNAVHT or
GRNiORN
23-256

Control Unit Input Test ('96 - 98 models and'99 - 00 models without
Keyless Entry System)
1. Remove the driver's door panel (see section 20).
2. Disconnect the 12P connector from the control unit.
3. Inspect the connector and socket terminals to be sure they are all making good contact
a lf the terminals are bent, loose or corroded, repair them as necessary, and recheck the svste-
. lf the terminals look OK, make the following input tests at the connector.
- lf any test indicates a problem, find and correct the cause, then recheck the syslem
lf all the input tests prove OK, the control unit must be faulty; replace it.
.I2P CONN€CTOR
Wire side o{ femele terminals
*: With keyless entry system
l-llcont d)
23-257
YEL/RED
BLU/RED
15
1812
BLU/WHT