2000 HONDA CIVIC Ignition

CavityWireTest conditionTest: Desired resultPossible caus! d r"suh rs nol obtrincd
to:
c1
BLK
UnderallconditionsCheck for continuity to groundl
There should be continuity., An ope^ ^ :he tt .e
. Blown No.7.6 10 r' " 20 A
fuse in the unde. oast f.se 'e a,
box. Faulty power windo$ 'e a,. An open in the wire
B3BLU/BLKlgnition switch ON (ll)Check for voltage to grou nd:
There should be battery voltage.
B2GRN/BLK
YE L/BLK
R EDA/VHT815
81RED/BLU
RED/YEL
Connect the BLU/BLK
terminal to the RED/YEL
terminal, and the RED/
BLU terminal to the
BLK terminal, then turn
the ignition switch ON
1I i.
Check the driver's window motorl
It should run (the window moves
oown).
. Faulty driver's window motor
. An open in the wire
B1BLUIVEL
Connect the GRN/BLK
terminal to the BLU|YEL
terminal, and the BLU/
Check the front passenger's
wrnoow motor:
It should run (the window moves
Fau lty front passenger's window
motor
Faulty front passenger's window
An open in the wire
811BLU/ORNBLK terminal, then turn
the ignition switch ON
0 r).
B9YEL
connect the YEL/BLK
terminal to the YEL ter-
minal, and the YEU
GRN terminal to the
BLK terminal, then turn
the ignition switch ON
0 r).
Check the right rear motor:
It should run (the window moves
down).
Fauity right rear window motor
Fau lty right window switch
An open in the wire
Bt0YEUGRN
814GRNI/EL
connect the RED,ryVHT
terminal to the GRN/
YEL terminal, and the
GRN terminal to the
BLK terminal, then turn
the ignition switch ON
0 r).
Check the left rear motor:
It should run (the window moves
Faulty left rear window motor
Faulty left rear window switch
An open in the wire
816GRN
B6BLU
Connect the BLU/BLK
terminal to the RED/
YEL terminal, and the
BLK terminal to the
RED/BLU terminal,
then turn the ignition
switch ON (ll).
Check for voltage between the
BLU and BLK terminalsl
Approx. 6 V should be indicated as
the driver's window motor runs.
Faulty pulser
Faulty driver's window motor
An open in the wire
B4BLK
23-231

Moonroof
Circuit Diagram
JNDEB.FOOD FUSE qELAY BOX
*1 96 97 modes:+2 r '98-00 models
OPEN/CLOSE SWITCHI.ourrE lhe lifino ooglalron{T[!b - F! ycto6ed)A and C lerminals are connecled.. ourno lhe sldno o$ralron(Fully?osed *: Futly op€n)A and Blermrnals are connecled.
TILT/CLOSE SWITCHI. Durinq lhe lihina oDeralion[Ir]t uir - Fillyc osed)D and F terninaliare conned€d.. Durino lhe slidrno oDoratonlFulv dossd --: Fllv ooenl0 anil E lemnals are (inhecied.
IGNITION SWTCH
BLK
I_lr--
G40tG402
MOONFOOF SWITCH
23-236

Funstion Test
CAUTION: Bo careful not to damago the moonroof switch
or ths driv6r's dashboard lowsr cover when prying the
3witch out.
NOTE: Check the No. 51 (20 Al fuse in the under-hood
tuse/relay box and No.24 (7.5 A) fuse in the under-dash
fuse/relay box, before testing.
1. Prv the switch out of the driver's dashboard lower
cover.
swtTcH
Wire side of female terminals
2. Disconnect the 4P connector from the switch
4P CONNECTOR
l-t
23-237
Connect the No. 1 (YELI terminal to body ground
with a jumper wire, then turn the ignition switch ON
(ll). The moonroof should open.
. lf the moonroot opens, check the switch.
. lf the moonroot does not open, check for:
- an open in the YEL wire.
- faulty moonroof open relay.
- faulty moonroof close relay,
- poor ground (G401, G402).- fa u lty open/close switch.
Connect the No. 3 (YELnED) terminal to body ground
with a jumper wire. then turn the ignition switch ON
(ll). The moonroof should close.
. lf the moonroof closes. check the switch.
. lf the moonrool does not close, check for:
- an open in the YEURED or GRN/RED wire'
- faulty moonroof close relaY.
- faulty moonroot oPen relaY.
- faulty tilvclose switch.
Connect the No. 2 (BLU) terminal to body ground with
a jumper wire, then turn the ignition switch oN (ll).
The moonroof should tilt up.
. lf the moonroof tilts up, checkthe switch.
. lf the moonroof does nottilt up, checkfor:
- an open in the BLU wire.
- taulty tilvclose switch
Connect the No. 3 (YEURED) terminal to bodY ground
with a jumper wire, then turn the ignition switch ON
(ll), The moonroof should tilt down.
lf the moonroof does not tilt down, the open/close
relay must be taulty.
Check for continuity to body ground on the No. 4
{BLK}terminal.
There should be continuity.
. lf there is continuity, check the switch
. lf there is no continuity, check for:
- an open in the BLK wire
- poor ground (G401, G402).
6.
7.

7. Remove th€ two screws, then remove the switch'
Check for continuity between the terminals in switch
position according to the table.
Terminal
t"-"t*
-\23
SET (ON)o--o
RESUI\4E {ON}o----o
lf there is continuity, and it matches the table,
replace the cable reel.
lf there is no continuity in one or both positions,
reDlace the switch.
8.
SET/NESUME
l-l
23-245
11.
q
10.
12.
lf all tests prove OK, reconnect the cable reel and
cable reel sub-harness connector, then reinstall the
steering column covers
Reconnect the driver's airbag connector. and rein-
stall the access panel on the steering wheel.
Reconnect the battery positive cable, then the nega-
tive cable.
After connecting the airbag connectors, confirm
proper system operation; Turn the ignition switch ON
(ll); the SRS indicator light should come on for about
six seconds and then go off.
Enter the anti-theft code for the radio, then enter the
customer's radio station presels {'99 -00 models)'

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
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

I
Reconnect the 18P connector to the power door lock control unit
Cavitv Wire Test condition Tost: Desired resultPossible cause it r€sult is not obisinod
23-261
l-l
'10GRNA/VHTDriver's door lock
switch in LOCK
Check for voltage to groundl
There should be 1 V or less.
. Faulty driver's door lock switch. Poor grou nd (G551)
. An open in the wire
9GRN/ORNDriver's door lock
swirch in UNLOCK
2BLU,ryVHT
Driver's door lock knob
in LOCK
Check for voltage to ground:
There should be 1 V or less.
Faulty driver's door lock actuator
Poor ground {G551)
An open in the wire
3BLU/RED
lgnition key inserted
into the ignition key
swttcn
Check for voltage to groundl
There should be 1 V or less
Check for voltage to ground:
There should be 4 V or more
Ch."k f"r ".lt"r" t. g|'"r^d
There should be banery vollage
Poor ground (G401, G402)
Faulty ignition key switch
An open in the wire
Shon in the wire
A o*n tto gO ,i5 A' fr." in tf'"
Lrnder hood fuse/relay box
Faulty combination light switch
An open in the wire
lgnition key removed
from the ignition key
swtrcn
RED/BLK
Combination light
switch in " :m: "
position
LT GRN/
RED
Each door open, one at
a trme
Check tor voltage to ground:
There should be 1 V or less.
Faulty door swilch
An open in the wire
GRY
U nder all conditionsBlown No. 52 (15 Al fuse in the
under hood fuse/relay box
Faulty horn
Fau lty horn relay
An open in the wire
Connect to ground:
Horn should sound.

)
l-l
Disconnect the A and B connectors from the audio unit.
Cavity WireTest conditionTest: Desired resultPossible cause if result is not obtained
Reconnect the B connector only to the audio unit.
Cavity WireTest conditionTest: Desired resultPossible cause iI result is not obtained
B9GRN/ORN
Driver's door lock
switch in UNLOCK
Check for voltage to ground:
There should be 1 V or less.
. Poor ground 1G551). Faulty driver's door lock switch. An open in the wire. Short in the wireDriver's door lock
switch in LOCK
Check for voltage to grou nd:
There should be 4 V or more.
810G R NAr'r'HT
Driver's door lock
switch in UNLOCK
Check for voltage to ground:
There should be 4 V or more.
. Poor ground (G551)
. Faulty driver's door lock switch. An open in the wire. Shon in the wireDriver's door lock
switch in LOCK
Check lor voltage to ground:
There should be I V or less.
23-263
A4WHT/BLU
LJnder all conditionsCheck {or voltage to ground:
There should be battery voltage.
. Blown No. 47 (7.5 A) tuse in the
under hood fuse,i relay box. An open n the w re
A5YEL/RED
lg nition swirch ACC (l)Check for voltage to ground:
There should be battery voltage.
Blown No. 28 , I0 A) f use in the
under dash fuse.elay box
An open " :ne n re
Check for voltage to ground:
There should be battery voltage.
Check for continuity to groundr
There should be continuity.
B o$. \. '.1 - 5 A' iuse n the
,,^oe' aas_'-se relay box
A_ ooe^ ' :ne wrre
Pc.' E'o--d rG401, G402)
A- ooen n lhe wire
B6B LK,/YE L
lgnition switch ON0l)
8158LK
Under all conditions
B1BLU/RED
lgnition key inserted
into the ignition key
swrtch
Check for voltage to ground:
There should be 1 V or less
Check for voltage to ground:
There should be 4 V or more
Poor ground (G401, G402)
Faulty ignition key switch
An open in the wire
Short in the wire
An open in the wireCheck for continuity berwee. lFe
audio unit 16P connector l-o 3ler-
minal and power door lock control
unit 12P connector No. 6 lermrnal:
There should be continu ty
lgnition key removed
from the ig nition key
swtlcn
B3B LUlt/E L
U nderall conditions
B8LT GRN/
BLK
Ceiling light switch in"middle position"
Connect to ground:
The ceiling lighr shouldcome on.
Blown No.43 (7.5 A) fuse in the
under-hood Iuse/relay box
Blown ceiling light bulb
Fau lty ceiling light
An open in the wire
814LT GRN/
RED
Each door open, one at
a time
Check tor voltage to ground:
There should be'l V or less.
. Faulty door switch. An open in the wire
Br6GRY
U nderall conditionsConnect to groundl
Horn should sound.
. Blown No. 52 ('15 A) fuse in the
under-hood fuse/relay box
. Fau lty horn. Faulty horn relay. An open in the wire