ac system HONDA CIVIC 1999 6.G Workshop Manual

Turn SignallHazard Flasher System
UNOER.DASHFUSE/RELAY 80X
No.12l7 5A)
Gircuit Diagram
UNDER.HOOD FUSE/RELAY 8OX
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,'|,."J,-(NOt
GRN/YEL
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I'RED
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DASH LJGIlTSBRIGHTNESSCONTROLLER
q
BLK

Turn SignallHazard Flasher System
1.
Turn Signal/Hazard Relay Input Test
SRS components are located in this area. Review the
SRS component locations, precautions, and procedures
in the SRS section {24} before performing repairs or ser-
vice.
Remove the turn signal/hazard relay from the under-
dash fuse/relay box.
Inspect the relay and fuse/relay box 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 fuse/relay box socket.- lf any test indicates a problem, find and cor-
rect the cause, then recheck the system.- lf all the input tests prove OK, the turn signal/
hazard relay must be faulty; replace it.
Test: Desired results
FUSE/RELAY BOXSOCKET
Possible cause it result is not obtainedCavityTest condition
8Bffii
\_t-E rl.]l
| - lll
n'rl
,.ff T-'t:
Hazard warning switch
ON; connect the No. 1
terminal to the No.3
rermtnat.
Hazard lights should come on.Poor ground \G201, G202, G401,
G402, Gs51, G552, G601, G761)
Faulty hazard warning switch
An open in the wire
lgnition switch ON (ll) and
turn signal switch in right
or left; connect the No. 1
terminal to the No. 3
terminal.
Right or left turn signal lights should
come on.
. Faulty turn signal switch
2Under allconditionsCheck for continuity to ground:
There should be continuity.
. Poor ground (G401, G402). An open in the wire
3
lgnition switch ON (ll)Connect for voltage to ground:
There should be battery voltage.
Blown No. '12 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty hazard warning switch
An open in the wire
Hazard warning switch ONConnect for voltage to ground:
There should be battery voltage.
Blown No. 53 (10 A) fuse in the under-
hood fuse/relay box
Faulty hazard warning switch
An open in the wire
23-174

Brake Lights
WNT/GRN
Circuit Diagram
UNDEH HOODFUSEiRELAYBOXBATTERY/-l I No s2 (1sA) |
u/T'\--]-wHrGFNTwfciN_l
tvHORN SYSTEM
INNERTAILL]GHT
GRNMHT
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IBLK
ffi; I
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Li;
GRN,4fiHT
l**,,,,I P } BRAKE
Y ilT'
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IgLK
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flatchbackCoupe/SedanSedan 99 mode
ffi; I
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iri
Li*'']
GRNMHT
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Yllf,ll
IBLK
BLK
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G601 r Halchback/Coupe/Sedan
BLK
II
II
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G601 : Haldbackiooup€/Sedan G761 :G601 :G602 :
+ 21W :Coup€/Sedan18W :HalchbackJ I : Wilh cruise control
23-178

Controller Input test
NOTEr The control unit is built into the dash lights bright-
ness controller.
'1. Carefully pry the controller out of the dashboard.
2. Disconnect the 3P connector from the controller'
3. Inspect the connector 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 any test indicates a problem, find and cor-
rect the cause, then recheck the system.
- lf all the input tests prove OK, the controller
must be faulty; replace it
Cavity
Wire side of
lemale termlnals
Test condition Test Desited resultsPossible cause if rgsult is not obtainGd
1RE D/B LK
Combination light
switch ON
Check for voltage to ground:
There should be battery voltage.
Blown No.30 (7.5 A) fuse in the
under-dash Iuse/relay box
Faulty combination light switch
An open in the wire
2BLKUnder all conditionsCheck for continuity to ground:
There should be continuity.
. Poor ground (G401, G402)
. An open in the wire
RED
Combination light
switch ON
Connect to ground:
Dash Iights should come on full
bright.
. An open in the wire
23-181

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

Stereo Sound System
UNDER-DASI.]FUSEi RELAY 8OX
l- '-r,*;l
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IYEUFED
(Sedan)--l
(Coupe/Horchbach)
Circuit Diagram ('99 - 00 models)
No 30 (7.54)FUSE
V
IRED/BLK
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vDASH LGHTSBHIGHTNESSCONTROLLER
F;*";
,,,[.J:,a*[rrl
BLK
G501
/ _- | neolcn;diFnoNi | |DooR SPEAKEF | |
HlGHTTWEETER
UNDER.HOOD FUSE/RELAY BOX
RIGHT REAFSPEAKEBLEFT REARSPEAKEF
LEFTTWEETER
23-190

Stereo Sound System
Stereo Radio Tuner Terminals
'96 - 98 models:
For keyless entry . t6p coNNEcroR(and securrty) syslem
To DIN CORD
To DIN CORD
(for securitysystem)
Cavity Wire
A1RED/GRNRight front door speaker o,
right tweeter @
BLULeft front door speaker @,
left tweeter @
A3RE D/B LKLights-on signal
A4WHT/BLUConstant power (tuning
memoryl
A5YEL/REDACC (main stereo power
suppry)
A7BLUI/ELLeft rear speaker O
A8RE DI/E LRight rear speaker O
A9BRN/BLKRight front door speaker O,
right tweeter o
A10GRY/BLKLeft tront door speaker O,
left tweeter O
412REDDash lights brightness
controller
A14BLKGround (G501)
415GRYMHTLeft rear speaker O
Al6BR N/VVHTRight rear speaker O
Terminals A6, A11 and A13: Not used
23-192
'99 - 00 models:
CsvityConnccts toWire
2YEL/REDACC (main stereo power
suppry)
5RE DI/E LRight rear speaker @
BLUI/ELLeft rear speaker @
7RED/GRNRight front door speaker @,
right tweeter @
8BLULeft front door speaker @,
left tweeter @
9RED/BLKLights-on signal
10WHT/BLUConstant power (tuning
memory)
15BRN,ryVHTRight rear speaker O
GRYMHTLeft rear speaker O
17BRN/BLKRight front door speaker O,
right tweeter O
18G RY/BLKLeft front door speaker O,
left tweeter O
'19REDDash lights brightness
controller
20BLKurouno t(l5u t,
Terminals No. 1, 3, 4, 11,12, 13, and 14: Not used

Stereo Sound System
Window Antenna Wire Test
1. Wrap aluminum foil around the tip of the tester
probe as shown.
Touch one tester orobe to the window antenna ter-
minal near, and move the other tester probe along
the antenna wires to check that continuity exists.
WINDOW ANTENNA
23-194
OPEN
Window Antenna Wire Repair
NOTE: To make an effective repair, the broken section
must be no longer than one inch.
1. Lightly rub the area around the broken section with
fine steel wool, then clean it with alcohol.
2. Carefully mask above and below the broken portion
of the window antenna wire with cellophane tape.
CELLOPHANETAPE
Using a small brush, apply a heavy coat of silver
conductive paint extending about 1/8" on both
sides of the break, Allow 30 minutes to dry.
NOTE| Thoroughly mix the paint betore use.
Check for continuity in the repaired wire.
Apply a second coat of paint in the same way. Let it
dry three hours before removing the tape.

Switch Test
lMake sure you have the anti-theft code for the
radio, then write down the frequencies for the
radio's preset buttons ('99 - 00 models).
Disconnect the battery negative cable, then disconnect
the positive cable, and wait at least three minutes.
Disconnect the driver's airbag connector (see sec-
tion 24).
Remove the driver's dashboard lower cover (see
section 20).
Disconnect the cable reel sub-harness 3P connector
from the main wire harness.
2.
3.
4.
5.
1.
MAIN WIREHARNESS3P CONNECTOR
SUB-HABNESS3P CONNECTOR
REEL
6.
Terminalside olmale terminals
Check for continuity between the No. 2 terminal of
the cable reel sub-harness and body ground with
the horn switch pressed.
alf there is continuity, the horn switch is OK.
lf there is no continuity, go to step 6l-
-\
1.
8.
10.
'I 1.
9.
Remove the driver's airbag assembly (see section
24), then disconnect the horn connector from the
steering wheel.
Check for continuity between the No. 2 terminal of
the cable reel sub-harness 3P connector and horn
positive terminal.
lf there is no continuity, replace the cable reel
(see section 24).
lf there is continuity, repair or replace the horn
swtlcn,
lf all tests prove OK, reinstall the driver's airbag
assembly (see section 24), and reconnect the cable
reel sub-harness connector.
Reconnect the driver's airbag connector, and rein-
stall the access panel on the steering wheel.
Reconnect the battery positive cable, then the negative
termtnar.
After installing the airbag assembly, confirm proper
system operation:
12.
Turn the ignition switch ON (ll); the SRS indica-
tor light should come on for about six seconds
and then go off.
Make sure both horn buttons work.
13. Enter the anti-theft code for the radio, then enter the
customer's radio station presets ('99 - 00 models).
HORN CONNECTOR
23-199