2000 HONDA CIVIC Ceiling light

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

)
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

Power Door Locks
Audio Unit lKeyless Receiver
Circuitl Terminals ('96 - 98 modelsl
CavityWireDestination
16P CONNECTOR
B1BLU/REDlgnition key switch
*82LT GRNTrunk latch switch
Ft2BLU/YELUnlock (Driver's door)
B4BLUValet switch
*85LT BLUSecurity {lN)
B6BLK/YE LNo. 14 (7.5 A) fuse
*81ORNSecurity (D2)
B8LT GRN/BLKCeiling light
B9GRN/ORNUnlock (All doors)
810GRNA/VHTLock (OutPutl
*811BLU/WHTLED O
*812WHT/BLKSecurity (D0)
+B 13YEL/BLUSecurity (D'l )
814LT GRN/REDDoor switch
B15BLKG round (G401, G402)
o toGRYnorn
*: For security system (option)
23-264
Driver's Door Lock Switch Test
1. Remove the inner handle (see section 20).
2. Disconnect the 3P connector from the door lock
switch.
Check for continuity between the terminals in each
switch position according to the table.
DRIVER'SDOORLOCKswtTcH
Terminal
Position123
LOCKo-----o
OFF
UNLOCKo----o

Contents
How to Use This Manual ICircuit Schematics (see Circuit Index)Fuse/Relaylnformation 6Ground-to-Componentslndex 6-6ComponentLocationPhotooraohs 201Conriector Views 202
Circuit Index
Accessory power socket 155Air conditionerAir delivery'96198 models 61'99-'00 models 61-2Blower controls'96198 models 60'99100 models 60-1Compressor controls 62Fans 63Anti-lock brake system (ABS) 44A/T gear position indicatorCVT 89All except CVT 89-1Automatic transmission controlsAll '96-'98 models except CVT and GX 39All '99100 models except CVT 39-8All GX models 39-8'96-'98 CVT 39-4'99100 cw 39-12Back-up lightsCoupe and Sedan 110Hatchback l'10-1Brake lightsAll Coupes and'96-'98 Sedans 110-15'99-'00 Sedans 110-16Hatchback 110-17Brake system indicator light'96198 models 7'1'99100 models 71-1Ceiling light 114-3Charging system 22Condenser fan 63Console lights 114Cruise control 34Dash lights 114Daytime running lights 110- 13Engine coolant temperature gauge 81-1Fog lights 110-10Front parking lights 110-2Fuel gauge 81-1Fuse/relay boxUnder-dash 6Under-hood 6-4Underhood ABS 6-3Gauges 81Ground distribution 14Ground-to-Componentslndex 6-6Hazard warning lightsAll except '99100 Sedans 110-6'99100 Sedans 110-8Headlights 110-12Headlight switch 100Heater - See Air ConditionerHorn'96197 models 40'98 model 40-1'99100 models 40-2lgnition key reminder 73lgnition systemAll '96198 models except Dl685 20All '99100 models except D16Y5 with Mn 2O-2All D1685 engines 20-2'99-'00 D 16Y5 with M/T 20
lndicators 80Integrated control unit 70lnterlock systemAll except'96J98 CVT 138'96198CVT 138-1License plate lightsAll Coupes and '96-'98 Sedans I l0-3'99100 Sedans 1 10-4Hatchback 110-5Low fuel indicator light 74Moonrool'96197 models |22'98-'00 models 122-1Odometer 81Oil pressure indicator light 80-3Power distributionBattery to ignition switch, fuses, and relaysFuses to relays and components 10-2Power door locksAll models without keyless entry 130'96-'98 models with keyless entry 130-2'99100 models with keyless entry 130-12Power mirrorsWithout detogger 141With defogger '141-2
Power windows 120Programmed fuel injection system (PGNr-Fl)All '96-98 models except D1685 23All '99-'00 models except D16Y5with M/T and D1685 24All D1685 engines 25'99100 D16Y5 with M/T 23Radiator fan 63Rear window defogger'96-,98 models 64'99100 models 64-1Seat belt reminder 73Security system'96.'98 USA HX, LX, EX 133'96-'98 Canada EX, Si 133'99TOO USA HX, LX, EX, DX.V Si 133-4'99100 Canada EX, Si 133-4All CX and DX models 133-8Speedometer 81Starting systemA./T (All except Dl685) 21A"/r (D16Bs) 21-1Manualtransmission 21-2Slereo sound system 150Supplemental rastraint system (SRS) 47Tachometer 81TailliqhtsAllboupes and'96-'98 Sedans 110-3'99100 Sedans 1 10-4Hatchback 110-5Trunk light 114-3Turn signal lightsAll except'99100 Sedans 110-6'99-'00 Sedans 1 10-8Vehicle speed sensor (VSS) 33Wiper/washerFront 91Rear 92
10

Fuse
NumberFuse NameAmpsPage
BATTERY
Component or Circult Protected
Power distribution
lgnition switch
INTERIOR LIGHT | 7.5 | 10-10 | DLC, Ceiling light, Trunk light
FI E/M15 i(20 GX) i
i PGM-FI main relay, Fuel injection relay (GX)
Not used
POWER WINDOW| 10-10 | Power window relay
BACK UPStereo radio iuner ('9G'98 mod€ls), Audio unit ('99100
models), Heater control panel, PCM/ECM, TCM (9e'98
cvr)
HEADLIGHT
REAR DEFROSTER I
DOOR LOCK UNIT,
ROOF
i 10-12i Headlights
Not used
Rear window defogger relay
Power door lock control unit (all except '99-'00 models
with keyless), Keyless door lock control unit ('99-'00
models with keyless), Moonroof
i HORN, SrOP Lri 10-13i Horn relay, Brake switch
HAZARDHazard warning switch
OPTIONI 10-13I Security system (option)
i HEATER MOTOR Ii 10-1 i Blower motor relay
(CONDENSER FAN)
COOLING FANl1o-1
Condenser Jan relay, A'lC compressor clutch relay
Radiator tan relay
&5

Power Distribution
- From Fuses to Relays and Components (cont'd)
-",JX-
I
I
\FUSE '3n{fEtbRUC|{T7.'.4
FUSE 44FI EA'!aacoa Dr6lc)
FUSE il8POUGNtvtl|Do{taoa
c351
c420PHOTO 63
I-.:CrJ
WIIT/ELX
1
I
I
I
I
FUELINJECTIONRELAYPage 25-1PHOTO 135
DATA LINKCONNECTOR(DLc)
Page 23-4,24-4, ot 25-4PHOfO 5001685 engine -
c419PHOTO 63
UNDER.DASHFUSE/RELAYBOXPHO|Q 5A
POWEBw]tDowNELAYPagE 120H$fa8
L-- ----- --20
wlIT/RED
-t
c420 6PHO|O 63vtEw 53
WHT/FEO
c407PHOTO 52Y|EW 2 ( 9& 00 modsrs)
c5s'rPHO|O 63
L-----JU DEN.DASHFUSE/RELAY BOXPHOfO 58
To Fuses 7, 8, 1 0, and I 1 ;tor deiails, s8€ PowerVYindotts, pa$ 120.
HatchbackCoup€ & S€dan
WHT/FED
(Sedan 1)
(e6-
101
,,, tr:::--*''.:lltut
(Not used)
i--l
tlL--J
TRUNKLIGHTPage 114-3
tl
tl
SPOT.LIGHTSPage 114-3
tl
tl
CEILINGLIGHTPage 114-3
* = Male-Femaleterminalsreversed for'99-'00 models
7A
tl
tl
PGM-FI MAINRELAYPage 23.24, ot 25
vtLw 18
I
I
PGM-FIRELAYPage 2324, ot 22
vtLw 18
i-,-x;-l
icontac{i
tlINTEGNATED
l__i!ffi*
10-10

Integrated Control Unit
NOTE: Fuse 31 is hot with lgnition Switch in START (lll) and clutch pedal depressed or A,/T Gear Selector in
PARK (P) or NEUTRAL (N), see Starting System, page 21,21-1, ot 21-2.
See BrakeSystemlndicatorli^hl
FUSE 3IstaaTEaSIGI{AT7AAI
I
I
I
I
I
\
\
\
\
\
\
I
I
I
I
I
I
/
S€s SiarlingSyslsm, pago 21,21-1. or 21'2.
SEs BrakeSystemlndicetorLight A6
SsaClharSrrESystom
Eog GoundDistlbution,page l,l-7.
L------3c420PHO|O 63vtEw 53
--r-r..r'
FED/BLU
SeeCeilingLightSee Seat Beltand lgnitionKey Remind€rs
t@
i'l-;;,-lH8B'r*| rrmn1gn I FUSEI
i f t*" ig8f"LJr____J PHOTO 7
u'lf tf,%,
S vtEw 3a
wHr/FED
| 3fl3,n'"n
wHr,FED I sYsteh
<--=- !t
,r"r,".0 | ,n"r,".u I
| .l B*?r:"" ,.!,.*,

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
"""*f,*u*
iiffiinFll,+l*
Lisi___i
c411
vtEw 6a
- - - Canadar EX and Si - - -
''"o","." 2 sEcuRlTY-;,;( 3[t"l'$,o"C516 (OpTtON)PHO|O 73vtEw 58
i Door open i /,Ew z5 Wft
Lsl__j [:tf*"Y
., o"n I"tol .ro"n,r.o 2 g5ggi.tw
?- coNNECroR ,
I "';'16 ''u (ott'o"l iI vtEw 58-----l-
lt
iGFNi REo
i
t
ITGFN/RED
13LTGRN/RED
See PowerDoor Locksirruot L-T:i"iiy @o
* = '99-'00 models except cX
IT GRN/fiED
LT GFN/AEO
11(- 15)
LT GAN/RED
c401
- Sedan -
RIGHT ;REARDOORSWITCH :Closed with ;door open. ,
LEFTREARDOORswtTcHClosed withdoor open.
--azt
*'*"n
6n
LT GRN/FEO
LT GFN/
i
- - - -
;'T
- - - - -
I iig",BP'f;""
ii$fltfi'J$T'*"'=""'
"
L----:+-----Jf
ii ln*i1,,
""**".!,
q;,{"i};}',,Hgt:$
pHoro 96 - door o
LT
114-2