radio HONDA INTEGRA 1994 4.G User Guide

Dashboard
Component Removal/lnstallation (cont'dl
5. Remove the knee bolster.


: Bolt locations, 3
fi 6rt.omm
6 i;i'i#.,7.2 tbr.ftl
?
KNEE
6. Installation is the reverse of the removal Drocedure.
Stol€o radio/cassette, Heater control panal removal:
1 . Remove the rear console, then remove the front con-
sole (see page 20-128).
Loosen the bolts, then remove the stereo radio/
cassette by pulling it out.
Disconnect the connector and antenna lead.
NOTE: The original radio has a coded theft protec-
tion circuit, Be sure to get the customer's code num-
ber belore- disconnecting the battery.
removing the No. 32 17.5A) fuse from the under-
hood fuse/relay box.- removing the radio.
After service, reconnect power to the radio and turn
i1 on. When the word "CODE" is displayed. enter
the customer's 5-digit code to restore radio
operation.
20-132
CONNECTOR
CASSETTE


i Bolt locations. 2
6 x 1.0 mm9.8 N.m {1.0 kgl.m,
3, Carefully pry the hazard warning switch and rear
window defogger switch out of the heater control
Daner.
Disconnect the connectors.
HAZARD WARNINGswtTcHREAR WINOOWDEFOGGER SWITCH

Dashboard
Replacement Precautions
SRS wife harnesses are routed near the dashboard and
steering column.
CAUTION:
a Alt SRS olectrical wiling harness€s ale covorad
with Yollow insulation.
a Botore disconnecting any part ot the SRS wiro
harness, connect ths short connscto6 (see page
23-2721.
a Roplac6 ih€ entiro aflectod SRS halnoss assem-
bly il it has an opon cilcuit or damagod wiling'
LEFT DASHSENSOR
Bstora lomoving the dashboaid:
!@@ To avord accioenlal dsployment and
""iUU inir.v, always install the plotoctive short
;onnectors on the driver's and tlont pass€ngel's air-
bag connectors bolors working near any SRS wiring'
1. Disconnect the battery negative cable, then discon-
necl the positive cable.
NOTE: The original radio has a coded theft protec
tion circuit. Be sure to get the customer's code num-
ber before- disconnecting the battery.
- removing the No 32 (7.5A) Iuse from the under-
hood fuse/relaY box'- removing the radio.
After service, reconnect power to the radio and turn
it on. When the word "CODE" is displayed, enter
the customer's 5 digit code to restore radlo
ooeration.
DRIVER'S AIREAG
SRS UNIT
20-136
DRIVER'S AIRBAG
2.lnstall the short connectors (RED)
Ddvar's:
Remove the access panel, then disconnect the con-
nector between the cable reel and driver's airbag'
Connect the short connector (RED) to the driver's
airbag connector lsee page 23-27 2l'
DRIVER'SAIRBAG CONNECTOB
CABLE REELCONNECTOR
SHORTCONNECTOR(RED)
Front passongor's:
Remove the glove box {see page 20-135}, then dis-
connect the connector between the tront pas'
senger's airbag and SRS main harness Connect the
short connector (RED) to the front passenger's air-
bag connector (see Page 23-273).
FROf{T PASSENGER'SAIRBAG
ACCESS PAI{EL
FRONT PASSET{GER'SAIRBAG CONNECTON
SHORTCONNECTOR(REDI
SBS MAIN HARNESS
CONNECTOR

Replacement
To remove the dashboard, first remove the:
a Front seats (see page 2O-103)
a Front and rear consoles (see page 20-128)a Dashboard lower cover (see page 2O-131)a Knee bolster (see page 2O-132)a Glove box lsee page 2O-135). Clock (see page 20-135)
a Moonroot switch (see page 20-1341a Stereo radio/cassette {see page 20-132)
Lower the steering column (see section 17).
@@ ro avoid accidentat dedoyment andpossiblo in ury, always install the prot€ctive short
connector on tho drivsr's airbag connector bgtor€
lowering tho stooring column (so€ page 20-1361.
NOTE: To prevent damage to the steering column,
wrap it with a shoD towel.


: 8olt, nul locations
A

: Bolt, 28 : ut, 2
8 x 1.25 mm22 N-m 12.2 ksl.m,16 lbt.frl
8 x 1.25 mm
gill$"'l
STEERING COLUMN
3. Remove the nuts, then remove the front passsnger,s
airbag bracket,
@ To avoid accidantar daploym.nr ",'dpossibls iniury, always install th€ protoctiv. 3hqtconnoctor on tho ,ront passongor'a airbag conncc-tor whon tha SRS main ha.na$ is disconncctod llcrpago 20-136).


: Nut locatlons, 4
FRONT PASSENGER'S
FRONT PASSENGER'SAIRBAG BRACKET
4.
SRS MAINHARNESS
Disconnect the air mix controlcable and connectors.
AIR MIX CONTROLCAELE
CONNECTORS
(cont'dl
20-137

Heater and Air Conditioning
Heater ........ 21-1
Air Conditioning .......... ..22-1
SUPPLEMENTAL RESTRAINT SYSTEM {SRS}
The Integra SRS includes a driver's airbag, located in the steering wheel hub. In addition. all models except the
RS model for Canada have a front passenge.'s airbag located in the dashboard above the glovs box. Information
necessary to safely service the SRS is included in this Service Manual. ltems msrk€d with an asterisk (') on the
conlents page include, or are located near, SRS components. Servicing, disassembling or,eplacing thes€ items
will require special precautions and tools, and should therefore be done by an authorized Acura dealer.
a To avoid r6nd6dng tho SRS inoporativo. which could lead to personal injury or dealh in tho svont ot a sevele
frontal collision, all SRS servica work musl b€ portormed by an authorized Acura dealer.
a lmpropor sorvico procaduro3, including incorrect romoval and installatlon of tho SRS, could load to porsonal iniu-
ry causod by uninlonlional activation of tho ailbag8.
a All SRS eloctdcal widng harnossos are covored with yollow in3ulation. Relatsd compononts a.o locatod in tha
stsering column, flont console, daehboard, and dashboafd low6r pan6l, and in lhe dsshboa.d above lh€ glove
box. Do not uao electdcal tost equipmont on theae circuhs.
NOTE: The original radio has a coded theft protection circuit. Be sure to get the customer's code number beto.e
- disconnecting the battery.- removing the No. 32 (7.5 A) luse from the under-hood fuse/relay box.- removing the radio.
After service, reconnect power to the radio and turn it on. When the word "CODE" is displayed, enter the cus-
tomer's 5-digit code to restore radio operation.

lllustrated Index
CAUTION:
a All SRS electrical wiling harnesses are covered with
y€llow insulation.
a Bafore disconnecting any pan of the SRS wile har-
ness. connect the sholt connectorlsl.
a Replace the sntire aflected SRS halness assembly if
it has an open circuit or damaged wiring.
NOTE: The original radio has a coded thelt protection
circuit. Be sure to get the customer's code number before- disconnecting the battery.- removing the No. 32 (7.5 Al fuse lrom the under-
hood fuse/relav box.- removing the radio.
After service, reconnect power to the radio and turn it
on. when the word "CODE" is displayed, enter the cus-
tomer's 5-digit code to restore radio operation.
BLOWER UNITReplacement, page 21-2OOverhaul, page 21-21HEATER UNITRepfacement, page 2l 22Overhaul, page 21-24
RECIRCULATION CONTROL MOTORTest, page 21-29Replacement, page 21 29I{EATER VAIVE CABLEAdjustment, page 21-27
BLOWEN RESISTORTest, page 21-9
AIR MIX CONTROLCABLEAd,ustment, page 21-27Replacement. page 21-26
a/c swrTcH(wirh A/clTest, page 22-20
RECIRCULATIONCONTROL SWITCHTest, page 21-31
HEATER FANswtTcHTest, page 2'l-3O
MODE CONTROL MOTORTest, page 21-28Repfacement, page 21'28
MODE CONTROL SWITCHTest, page 21'31
HEATER CONTROL PANELRepf acement, page 21 -25
Overhaul, page 21-26
TEMPERATURE CONTROLLEVER(Adjustmonl: See AIR MIXCONTROL CABLE}
SRS MAIN HARNESS
W,
21-2
I

Heater Unit
Replacement
CAUTION:
a All SRS electrical witing hame$os are covoed wlth
yollow insulation.
a Before disconnecting any patt of tho SRS wito har-
neas, connect tha shott connoctol(s|.
a Roplaco th€ enlire sffacted SRS harnosr a$smbly if
it has an opon cilcult or dsmaged wiring.
NOTE: The original radio h8s a coded theft protection
circuit. Be sure to get the customer's code number betors
- disconnecting the bafterY.
- removing the No. 32 (7.5 A) fuse from th€ under-
hood tuse/relav box.- removing the radio
After service. teconnect power to the radio and turn it
on, when the word "CODE" is displayed, enter the cus-
tomer's 5-digit code to restore radio operation.
1. When the engine is cool, dtain the engine coolant
from the radiator (see section 1O).
@@ oo not lomove tho radiator cap whan
the ongine is hol; tha ongino coolant is undot
pressure and could a€voralY tcald you.
2. Snap open the clamp and disconnect the heater
valve cable from the heater valve arm.
HEATER VALVE CABLE
21-22
CLAMFS
3. Disconnect the heater hoses from the heater unit'
CAUTIOII: Engino coobnt will damago paint. orick-
ly dnse any rpilled engine coolant from paintod
surfac63.
NOTE: Engine coolant will tun out when the hoses
are disconnected, drain it into a clean drip pan'
HEATER HOSES
Remove the mounting nut from the heater unit.
NOTE: When removing the mounting nut, take care
not to damage or bend the fuel pipes, brake pipes,
etc.
8 r 1,25 rn|n22 N.m 12.2 kgt.m, tO lbf'ftl
4.

lllustrated Index
CAUTION:
. All SRS electrical wiring harnossos are cover€d withyellow insulation.
. B€fors disconnacting any part of the SRS wire har-ness, connsct the 3hort connsctor(s).. Replace the entirs affscted SRS harness assembly itit has an open circuit or damaged wiring.
NOTE; The original radio has a coded theft protection
circuit. Be sure to get the customer's code number
before- disconnecting the battery.- removing the No.32 (7.5 A) fuse from the under-
hood fuse/relay box.- removing the radio.
After service, reconnect Dower to the radio and turn it
on. When the word "CODE" is displayed, enter the cus-
tomer's 5-digit code to restore radio operation.
SRS MAIN HARNESSlcover€d with yellow insulationl
EVAPORATORReplacement, page 22-26Ovethaul. Oase 22.27
SERVICE VALVE(LOW PRESSURE SIDEI
SERVICE VALVEIHIGH PRESSURE SIDE)
RECEIVER/DRYER
CONDENSERReplacement, page 22,37
A/C PRESSURE SWITCHCOMPRESSORReplacement, page 22-30When the refrigerant pressure is below 200 kpa (2.0kqflcm,,28 psi) due to refrigerant leakage or above 3]OOkPa (32 kgf/cm,, 460 psi) due to coolant btockage, the A,/Cpressure switch opens the circuit to the A"/C switch andstops the air conditionang to protect the compressor.
22-3

Troubleshooting
Tips and Precautions
Before Troubloshooting
a Check applicable fuses in the appropriate fuse/relay
DOX.
a Check the battery for damage, state of charge, and
clean and tight connections.a Check the alternator belt tension.
CAUTION:
a Do not quick-charg€ a battery unless the batteryground cabla has be€n disconnoctsd. oth€rwisoyou will damage the alternator diodss.a Do not att6mpt to crank the engine with the bat-tery ground cable loosely connectsd or you will se-vorsly damag€ tho widng.
a The original radio has a codod thatt plotection ci.-cuit. Be sul€ to got tho customor's code numbet
before- disconnecting th€ battery.- lomoving tho No. 32 (7.5 Al tuso f.om the
under-hood tuse/lelay box.- removing tho radio.
Aflor s€lvic€. reconn€ct powet to tho radio and
turn it on. Whon the word "CODE" is displayed,
€nt€l the customer'E s-digit codo to .astore ladio
operation.
Handling Connectors
a Make sure the connectors are clean and have no loose
wire terminals.
a Make sure multiple cavity connectots are packed withgrease (except watertight connectors).a All connectors have push-down release type locks.
LOCKII{G TAA
LOCKING TAB
a Some connectors have a clio on their side used to at-
tach them to a mount bracket on the body or on
another component. This clip has a pull type lock.
a Some mounted connectors cannot be disconnected
unless you first release the lock and remove the con-
nector from its bracket.
LOCKINGPAWL ONOTHERHALF OFPull toorsengageCONNECTORBRACKET
23-3
a Never try to disconnect connectors by pulling on thei.
wires; pull on the connector halves instead.
a Always reinstall plastic covers.
Belore connecting connectors, make sure the lermi-
nals are in Dlace and not bent.
a Check tor loose retainer and rubber seals.
RETAINER
a The backs of some connectors are oacked with
grease. Add grease if needed. It the grease is contami-
nated, reDlace it.
(cont'd)

Connector ldentification and Wire Harness Routing
Dashboard wile Ha.n6ss
Connector ot
T€rminal
Number of
Caviti6sLocationConnects toNotes
c553
c554
L55b
c556
c557
c558
c560
LCO I
c563
c564
c565
c566
c567
c568a 6ACl
20
10
to
12
5
22
10
13
16
10
6
to
2
Behind dashboard lower cover
Behind dashboard lower cover
Behind dashboard lower cover
Behind dashboard lower cover
Under lett side oJ dash
Under left side of dash
Behind gauges
Behind gauges
Behind gauges
Behind gauges
Behind middle of dash
Left side of dash
Behind middle of dash
Behind middle of dash
Right side of dash
Under middle of dash
Under middle of dash
Behind dashboard lower cover
Under middle of dash
Under-dash fuse/relay box (C919)
Main wire harness (C43Ol
Main wire harness (C4491
Rear wire harness {C505)
Cruise main switch
Junction connector
Gauge assembly
Gauge assembly
Gauge assembly
Gauge assembly
Clock
Dash lights brightness controller
Hazard warning switch
Rear window defogger switch
Glov€ box light
Stereo radio/cassette PlaYer
Chime
Maintenance reminde. unit
Cigarette lighter
Afi
Under middle of dashBody ground, via dashboard wire
harness
23-32

Fuse Numb€r AmDs Wire CololGomponent ls) or Circuit (s) Prot8cted
130AWHTMoonroof motor
2Not used
37.5 AWHT/REDIntegrated control unit, Ceiling light, Power antenna motor. Data link connec-tor (DLC)
420AYEL/BLKRight rea. power window motor (Sedan)
520AWHT/YELDriver's power window motor
o20AWHT/GRNPower door lock control unit
720AGRNiBLKLelt rear power window motor (Sedan)
I20ABLU/BLKPassenger's power window motor
I10 ARED/BLURight headlight {High beaml
1010 ARED/GRNLeft headlight (High beam). High beam indicato. tight
11Not used
12Not used
137.5 ABLK/YELRear window defogger system, A/C system, ABS control unit, power mrrroractuator
1420AGRN/BLKWiper/washer system, Moonroof relay, Integrated control unii'1510 AYELGauges, Clock, Back-up lights, Maintenance reminder unit
to7.5 AYEL/BLKDaytime running lights control unit (Canadal
1710 AWHT/YELDaytime running lights control unit (Csnada)
7.5 ABLU^tvHTECM, PGM-FI main relay'to10 ARED/BLKDash lights, Parking lights, Taillights, License plate tights
20Not used
2110 ARED/WHTRight headlight (Low beam)
10 ARED/YELLeft headlight (Low beam)
2315 AYEL/REDStereo radio/cassette player, Cigarette lighter
24REOSRS unit
BLK/YELPGM-FI main relay, TCM, Cruise controt unit, VSS, ELO unit IUSA)
2510 APNKSRS unit
2610 AYEL/BLKTurn signal/hazard relay'1 No.
No.
24 115 Al:
24 t2O At:.
81881 engine
B18Cl engine
23-49