audio HONDA CIVIC 1999 6.G User Guide

(A,4)
A,T GEARPosrfloN swlrcH _ _(Closed h posilon l?l ot [!l )
BLU/BLK -> [h'#f- |COMEINATIONLIGHT SWITCH
V
IREO/GRN
UNDEF.DASH FUSEi RELAY BOX
a
E
YEL
I
A iEi,I,B"'T
vll".i,l
| ,rr.nrorro .orrro, ,*,,
tt-
t(
rffi
|
BEMI\DEB crqcurl
lm
| /t I
tffinEoTsru REDTBLU BLIJ/RED clnculr
-neoieru | ,,-,r.0 J
l, "ulTo
/fP /Itr\
YVI onrveqs I or rtor
l3fifl&''' l5frl'.'
l (3'&T' 8iytr") l
(3&Y fiti'fJ"fl )
BLK BLK
TT
c552 G401
I
. BRAKE FLUIDLEVEL SWITCH. PARKING ERAKEswrTcH (usA)
' CEILING LIGHT. KEYLESS RECE VER CIRCUIT(ln lhe audio unil")
..aorr,rro Y
A
Iu$ut,""'
I3fif'3#3trr,)-::
DRIVER'SDOOFswtTcHfolosed : Door open )(Open :Doordosed/
STARTERCUT FELAY
a
-
GFNi RED
23-157

Stereo Sound System
Component Location Index
SRS components are located in this area. Review the SRS component locations, precautions. and procedures in the SRS
section (24) before performing repairs or service.
'96 - 98 models
AUDIO UNIT(STEFEO RADIO TUNERIBeplacement, page 23 189Terminals, page 23-190
ANTENNA MASTReplacement, page 23 193
RIGHT TWEETERReplacement, Page 23 191
LEFT TWEETERReplacement, Page 23 191
ANTENNA LEAD
LEFT FRONT SPEAKER
Replacement, Page 23'191
SUB
RIGHT FRONT SPEAKERReplacement, page 23'191
ANTENNALEAD
CASSETTE PLAYER
Replacement, Page 23-189REAR SPEAKERSReplacement, page 23- 19'l
(cont'd)
23-147
q-

Stereo Sound System
Component Location Index {cont'd)
SRS components are located ln this area. Review the SRS component locations, precautions, and orocedures in the sRSsection (24) before perlorming repairs or service.
'99 - 00 models
AUDIO UNITFeplacement, page 23-189Terminals, page 23-190
ANTENNA MAST (Coupe/Hatchbeck)Replacement, page 23,193RIGHT TWEETERReplacement, p6ge 23-191
LEFT TWEETERReplacement, page 23-191
ANTENNA LEAD
LEFT FRONTReplacement, page 23-191
RIGHT FRONT SPEAKERReplacernent, page 23-191
WINDOW ANTENNA {SedanlWire Test, page 23 192Wire Repair, page 23-192
SUB
I.TAO
REAR SPEAKERSReplacemont, page 23-191
23-1AA

UNDER DASHFUSE/RELAY 80X
r*.i,,";l
I
I
I
I
I
I
IYEUFEDWHTiELU
Circuit Diagram ('96 - 98 modelsl
A15A16
NoJ0 (7 sA)
v
IRED]BLK
RED
I
I
I
J
DASH LIGHTSBRIGHTNESSCONTROLLER
ANTENNALEAD
BRN/WHTBLK
G501
LEFT FHONTDOOF SPEAKER
I RED,^/Er
ILIl
RIGHT REARSPEAKER
I BLU/YEL
IIIt
SPEAKER
q-
IGN TION SWITCHUNDER.HOOD FUSE/FELAY BOX
AUDIO UN T(STEREO RAOLO TUNER)
@
LEFTRIGHTTWEETER
GRY]BLK
23-189

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

)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
Control Unit lnput Test ('96 - 98 models and'99 - 00 models without
Keyless Entry Systeml (cont'dl
Disconnect the 12P connector from the power door lock control unit.
CAUTION: To prevsnt damage to the actuator, apply battery voltage only momentarily.
Cavity WireTest conditionTest: Desired resultPossible cause if result is nol obtained
*: With keyless entry system
Reconnect the 12P connector to the power door lock control unit.
Cavity WireTest conditionTssl: Desirsd losullPossible cause it resull b not obtained
4BLKUnder all conditionsCheck for continuity to ground:
There should be continuity.
. Poor ground (G55'l ). An open in the wire
WHT/GRN
Under all conditionsCheck for voltage to ground:
There should be battery voltage.
. Blown No. 51 (20 A)fuse in the
under-hood fuse/relay box. An open in the wire
2YEURED
Connect the YEURED
terminal to the WHT/
GRN terminal, and the
WHT/RED terminal to
the BLK terminal
momenraflty.
Check door lock operation:
All passenger's doors should
untocK.
Blown No. 51 {20 A) fuse in the
under-hood fuse/relay box
Faulty actuator
An open in the wire
3BLU/RED
Connect the BLU/RED
terminal to the WHT/
GRN terminal. and the
WHT/RED terminal to
the BLK terminal
momenraflry.
Check door lock operation:
Driver's door should unlock.
5WHT/RED
connect the WHT/RED
terminal to the WHT/
GRN terminal, and the
YEL/RED terminal to
the BLK terminal
momenrafl ty.
Check door lock operation:
All passenger doors should lock.
BLU/YEL
Under all conditions.Check for continuity between the
power door lock control unit l2P
connector No. 6 terminal and
audio unit 16P connector No. 3 ter-
minal: The.e should be continuity.
An open in the wire
GRN,ryVHTDriver's door lock
switch in LOCK
Check for voltage to ground:
There should be 1 V or less.
Faulty driver's door lock switch
Poor ground {G551)
An open in the wire
8GRN/ORNDriver's door lock
switch in UNLOCK
7BLUA/VHT
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

Power Door Locks
Audio Unit {Keyless Receiver Circuitl Input Test ('96 - 98 models}
Remove the audio unit, then disconnect the A and B connectors (see page 23-189).
Inspect the connector and socket terminals to be sure they are all making good contact
. lf the terminals are bent, loose or corroded, repair them as necessary, and recheck the system
. lf the terminals look OK, make the following input tests at the connector.
- lf anv test indicates a problem, find and correct the cause, then recheck the system
lf all the inout tests prove OK, the control unit must be faulty; replace it.
A CONNECTOBB CONNECTOR
16P CONNECTORS
AUDIO UNIT
L
2.
WHT/BLU YEL/RED
{KEYLESS RECEIVER CIRCUIT}
23-262

)
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