1997 HONDA CIVIC keyless door lock control unit

Power Door Locks (cont'd)
Ceiling Light Does Not Come On When
The Doors Are Unlocked With The
Transmitter
1 . ls the ceiling light switch in the center position?
Yes - Go to the next steD.
No - Reposition the ceiling light switch and
relesI.
2. Does the ceiling light come on with the ceiling
light switch in the ON position?
Yes - Go to the next steo.
No - Repau the ceiling light circuit.
3. Does the transmitter LED come on when anv of
the buttons are oressed?
Yes - Go to the next step.
No - Check the transmitter battery, then retest.
lf the ceiling light still does not work, go to
the next step.
4. 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 - Go to the next step.
5. With the keyless door lock control unit connector
disconnected, run a jumper wire from terminal 1
to ground.
Does the ceiling light come on?
Yes - Replace the keyless door lock control
un [.
No - Repair the open in the terminal I
(LT GRN/BLK) wire.
130-18
Doors Do Not Unlock Or Lock With
The Transmitter
1 . Do the door's unlock and lock when using the
drivefs door lock switch?
Yes - Go to the next steo.
No - Repair the power door lock system.
2. Does the transmitter LED come on when anv of
the buttons are oressed?
Yes - Go to the next steo.
No - Check the transmitter batlery, then retest.
lf the doors still do not unlock or lock with
the transmitter, go to the next step.
3. Recheck with a known good transmitter
reprogrammed to the vehicle. Does the system
work properly in all modes.
Yes - Replace and program the transmitter,
then retest. Use the procedure on page
1 30-1 4 for transmitter programming.
No - Go to the next steo.
4. Does the voltage at terminal 3 of the keyless
door lock control unit connector change from
battery voltage when the key is not in the
ignition, to less than 1 volt when the key is in
the ignition?
Yes - Go to the next step.
No - Replace the ignition switch or repair the
damaged terminal 3 (BLU/RED) wire.
5. Does the voltage at terminal 12 of the keyless
door lock control unit connector change from
battery voltage when all the doors are closed, to
less than I volt when any door is opened?
Replace the keyless door lock control unit.
Reoair the ooen in the terminal 12
(LT GRN/RED) wire.

Horn Does Not Sound In The Panic
Mode Or With The Transmitter "Beep"
Feature On
NOTE: The transmitter has a Beep On/Ott toature.
Refer to page 130-14 for how lo turn the be€p on or
off.
1. Does the horn sound whon the HORN button is
oressed?
Yes - Go to the next step.
No - Repair the horn circuit.
2. Does the transmitter LED come on when any of
the buttons are Dressed?
Yes - Go to the next steP.
No - Check the transmitter battery, then retest.
lf the beep feature still does not work, go
to the next steo.
3. Recheck with a known good transmitter
reprogrammed to the vehicle. Does the system
work properly in all modes?
Yes - Replace and program the transmitter,
then retest. Use the procadure on pag€
1 30-1 4 for transmitter programming.
No - Go to the neLt siep.
4. With the keyless door lock control unit connector
disconnected, run a iumper wire from terminal
15 to ground.
Does the horn sound?
Yes - Replace the keyless door lock control unit.
No - Repair the open in th€ terminal 15 (GRY)
wire.
\lr
130.19
Horn Does Not Stop Sounding
1. ls the vehicle equipped with the optional security
system?
Yes - Go to the next step.
No - Go to steD 3.
Does the horn stop sounding when the security
control unit connoctor is disconnected?
Yes - Replace the sEcurity control unit.
No - Go to the nsxt step.
Does the horn stop sounding when the keyless
door lock control unit connector is disconnected?
Yes - Replace the keyless door lock control unit.
No - ReDair the horn circuit.

\.
\iu
Security System Does Not Work In Any
Mode (HX, LX, EX, DX-V, Si)
1. ls fuse 6 (in the under-dash box) OK?
Yes - Go to the next steo.
No - Replace the blown tuse, then go to the
next sleD.
2. Does the fuse blow again?
Yes - Go to the next step.
No - Retest the system.
3. Disconnect the security control unit connector.
4. ls there continuity from terminals 1, 10, 12, ot 22
to oround?
5.
Yes - Locate the short in the wiring between the
security control unit and the radio ('96-'98
models) or keyless door lock control unit
('99 model).
No - Go to the next step.
ls there battery voltage at terminal 10 of the
securitv control unil connector?
Yes - Go to the next steo.
No - Locate the open in the wiring between
fuse 6 and the securitv control unit.
133-17
rfe
6. ls there continuity f rom terminal 13 ot the
security control unit connector to ground?
7.
Yes - '96-'98 models: Go to the next steD.'99 models: Replace the security control
unit.
No - Locate the open in the wiring between the
security control unit and ground (G401 ).
With the security control unil connector
reconnected, is there battery voltage at terminal
21 ot the securitv control unit connector?
Yes - Go to the next step.
No- Beplace the security control unit.
ls there battery voltage at terminal 5 of the
keyless entry harness connector (B)?
Yes - Replace the radio.
No- Repair the damaged LT BLU wire
between the security control unit and
the radio.
8.

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 (cont'd)
Security System Does Not Disarm With
The Transmitter (HX, LX, EX, DX-V, Si)
1 . With all the doors closed and locked, do the
doors unlock when the transmitter UNLOCK
button is pressed?
Yes - Go to the next step.
No - Go to "Doors Do Not Unlock With The
Transmitte/' on page 130-11 ('96-98
models) or 130-18 ('99 models).
2. ls there approximately 5 volts at terminal 1 of the
securitv control unit connector?
Yes - Go to the next step.
No - Security control unit.
3. ls there battery voltage at terminal 13 ofthe
keyless receiver unit ('96-98 models) or the
keyless door lock control unit ('99 models)?
96.98 models:
'99 models:
Yes - Beplace the radio ('96-'98 models) or the
keyless door lock control unit ('99
models).
No - Repair the damaged YEUBLU wire
between the security control unit and
the radio.
133-20
Security System Does Not Disarm
(cx, Dx)
1. ls the tuse in the security in-line luse holder OK?
Yes - Go to the next step.
No - Replace the blown fuse, then go to the
nexl sreD.
2. Does the fuse blow again?
Yes - Locate and repair lhe short.
No- Retest the system.
3. ls there battery voltage at terminal 11 of the
security control unit connector, when the ignition
switch is in the ON (ll) position?
Yes - Replace the security control unil.
No - Locate the open in the wiring between
the ignition switch and lhe securily control
unit.

Connector Views (cont'd)
36. Power Window Master Switch
Coupe/Hatchback:
- Gray- Driver's door armrest- On driver's door wire harness
3
5
BLU/BLK (lgnition input)
BLU/ORN(RF motor control)
RED/YEL(LF motor control)
FED/BLU(LF motor control)
BLK (G551)
6 GRN/BLK(lgnition input)
7 BLU/YEL(RF motor control)
8 BLK (G551)
10
12 BLU (Auto control)
I YEL (RR motor control)
1O YEUGRN(RR motor control)
11 BLU/ORN(RF motor control)
14 GRN/YEL(LR motor control)
15 REDMHT (lgnition input)
16 GRN (LR motor control)
Sedan:
- In driver's door armrest
Connector A
- Gray- On driver's door wire harness
l BLU/YEL(RF motor control)
2 GRN/BLK (lgnition input)
3 BLU/BLK (lgnition input)
4 BLK (G551)
5 RED/YEL(LF motor control)
6 8LU (Auto control)
7 RED/BLU(LF motor control)
8 YEUBLK (lgnition input)
Connector B
- Brown- On driver's
1 BLK (Gss1)
door wire harness
E
202-10
Terminals grouped together are connected by the same bus bar
37. Power Door Lock Control Unit
(All except'99-'00 models with
keyless)
- Gray- In driver's door- On drivers door wire harness
1 GRNMHT (Lock input)
2 YEURED(Unlock/lock output)
3 BLU/RED(unlock/lock control)
4 BLK {Ground)5 WHT/RED (Lock output)
6 BLU/YEL (Drivefs
door unlock input)
7 BLU/WHT (Lock input)
B GRN/ORN(Unlock input)
10
11
12 WHT/GRN(Battery input)
38. Cl15
- Blue- Rear of engine, below intake manifold- Engine wire harness junction connector
r----------lr---------"1
1 8LK?ryEL (Fuse 15)
2 BLK/YEL (Fuse 15)
3 BLK TEL (Fuse 15)
4 BLK/YEL (Fuse 15)
5 BLK,/YEL (Fuse 15)
6 BLK/YEL (Fuse 15)
7 BLK,TYEL (Fuse 15)
8 GRN/8LK (PGM FD
9 GRN/BLK (PGM.FD
10 GRN/BLK (PGr\,4-Fr)
11 GBN/BLK (PGM-Fr)
12 GRN/BLK (PGM-FD
13 GRN/BLK (PGM-FD
14 GRN/BLK (PGM-Fr)
L_______-JL______--_J

Connector Views (cont'd)
72. C1s0 (GX Model)
1 YEUBLU (PGM-FI)
2 GRN/BLK (PGM.FD
3 LT GRN (A/t controls)
4 YEURED (PGM-FD
5 GRN/rEL (PG|\,1-FD
- Light green- Left rear of engine compartment- Connects engine wire harness to main wire harness
6
7
BLU/IEL (PGM-FD
Male - PNKFemale - GRN(4,/T convols)
YEL (A,/T controls)
74. Audio Unit ('99-'00 Models)
- Light Blue- Center ol dash- On dashbaord wire harness
2 YEURED (lgnition input)
5 RED/YEL(RF speaker f)
6 BLU/YEL(LR speaker +)
7 RED/GRN(BF speaker +)
I BLU (LF speaker +)
9 RED/BLK(lllumination control)
10 WHT/BLU(Battery input)
']]]-
12*
14
15 BRN,^/VHT
{RR speaker -)
16 GRYAVHT(LR speaker -)
17 BRN/BLK(RF speaker -)
18 GRY/BLK
{LF speaker -)
19 RED(lllumination control)
20 BLK (G501)
73. C575 (GX Model)
BLK (PGM.FD
WHT/RED (PGI\4-FD
GRN/YEL (PGM.FI)
- Gray- Behind left side of rear seat back- Connects floor wire harness to sub luel cord
5
1
2
3
GRN/BLK (PGr\4-Fr)
BLU/YEL (PGI\'-FD
YEUBLU (PGI\,4,FD
202-32
75. Keyless Door Lock Control Unit
(USA Only)
- Gray- At lett kick panel- On main wire harness
l LT GRN/BLK(Door open output)
2 BLU,ryVHT(Lock input)
3 BLU/RED(Key switch input)
4 BLK/YEL(lgnition input)
5 BLU/RED(Unlock/lock control)
6 FED/BLK(Light flash control)
7 WHT/RED(Unlock/lock output)
8 YEURED(Unlock/lock output)
9 GRN/ORN(Unlock input)'10 GRNA/VHT(Lock input)
11 ORN {Securiiy system)
12 LT GRN/RED
{Door open input)
13 YEUBLU(Security system)
14 BLU/YEL(Security system)
15 GRY (Horn control)
17 BLK (G401)
18 WHT/GRN(Battery input)

Connector ldentification and Wire Harness Routing
Connector
ol
Terminal
Number ot
Cavlties/
Color
LocationConnects toNotes\
Main Wire Harness (Left side of dash and floor branch): '9$00 models except GX model
c401
c402
c403
c404
c405
c406
c407
c407
c408
c409
c4t0
Q411
c412
c413
c414
c415
c416
c417
c418
c419
c420
c42'l
c423
c424
c425
c426
c42A
c429
c430
c431
c432
c433
c434
c435
c447
c448
c450
c451
2O.GRY
4.ORN
4.NAT
14.BLU
4-NAT
8-GRY
6.GRY
6.GRY
1-BRN
1o-wHT
12-GRY
24-BLU
3.YEL
16-GRY
5.BLK
7-BRN
6.NAT
2-N/A
2-YEL
18.GRN
2O.GRN
18.GRN
7.GRN
6.GRN
5-BLK
4.WHT
8.WHT
6-WHT
4-NAT
7.NAT
3.GRY
8.GRY
4-GRY
14-GRY
2-GFY
4-GRY
22.GRN
2-GRY
3-GRY
18-GRY
Behind left kick panel
Behind left kick panel
Under left side of dash
Under lett side oI dash
Under lett side of dash
Under letl side ol dash
Under lett side oI dash
Under letl side oI dash
Under lefl sids ol dash
Behind under-dash fuse/relay box
Above under-dash fuse/relay box
Above under-dash fuse/relay box
Above under-dash fuse/relay box
Under lett side ot dash
Under-dash relay box
Above under-dash fuse/relay box
Under left side of dash
Under left side ot dash
Under lett side of dash
Behind under-dash fuse/relay box
Behind under-dash fuss/relay box
Behind under-dash fuse/relay box
Front of under-dash fuse/relay box
Front of under-dash fuse/relay box
Under-dash relay box
Under loft side ot dash
Bohind steering column cov6r
B6hind stesring column cover
Behind steering column cover
Behind steering column cover
Under lett side ot dash
Under lett side ot dash
Below fronl console
Below front console
Below front console
Below front console
Under lett side ot dash
Under lett side of dash
Under left side of dash
Behind lett kick panel
Floor wire harness
Floor wire harness
Light flasher relay connector (Sscurity)
Cruise control unil
DRL control unit connector A
DRL control unit conn€ctor B
Roof wire harness
Moonroof wire harnsss
Front tog light connector
Intsgratgd control unit
Dashboard wire harn€ss
Dashboard wire harness
SRS main harness
Data link connector
Starter cut relay
lgnition switch
S€curity starter cut relay connector
Clutch switch
Clulch interlock switch
Under-dash fuse/relay box
Under-dash tuse/ralay box
Under-dash tuse/ralay box
Under-dash fuse/relay box
Under-dash fuse/relay box
Horn relay
Brake switch
Combination wiper switch connector A
Combination wiper switch conn€ctor B
Combination light switch connector A
Combination light switch conn€ctor B
Cable reel
lnterlock control unit
Secondary heated oxygen sensorsub-narnsss
A/T gsar position switch
Shitt lock solenoid
Park pin switch and A/T gearposition consolo light
Security control unit connactor
Security LED connector
Valet switch connector (Security)
Keyless door lock control unit
ABS
Optional
Canada
Canada
Optional
AN
Mrl
Optional'5
M/T
AN'6
An
Atf
Atf
Optional
Optional
Optional
MKoyloss
G401Left kick panelBody ground, via main wirenarness
'2: Without moonroof"4: With moonroof'5: M/T (with cruise control or for D16Y5 engine)'6: With secondary heated oxygen sensor (HO2S)
203-24