1994 HONDA INTEGRA ignition

Frcm page 22-11
Bdt ry vohro.?
_@_____-l
Turn the ignition switch ON (lI).
M€asure the voltage betweon th6BLK/YEL wire terminsl {+) andbody ground (-).
R.p.i. opcn in th. 3LX/YEL wirrbalwarn tha undar.da3h tuaa/.clay box and iha como.aaao.clutch rahy.
ls there battery voltage?
Turn the ignition switch OFF andinstall the comprossor clutchrelay.
Connect the test harness "A" and"8" conoectors to th6 main wireharness only, not to the ECM (s6gsection 11).
Turn th6 ignition switch ON (II).
Measure the voltagG between theA15 terminal (+) and bodyground (-1.
R.prir op.n in th. BLK/RED wirtb.twran the compraa.or clotch..1.y .nd th. ECM.
Make sure the A/C and heate. tenswitch6s are OFF.
Measure tho voltage b€tween the85 terminsl (+) and body ground(-).
R.p.ir op.n in th. BI-U/RED wir.b.tw.rn th. A/C diod. .nd th.CCM.
Sub.titute r known-good ECMand rocheck. lt lymptom/indicr-tion go€3 rwry, rapbca th. origi-nrl ECM.
Blttary vohago?
r_--@_Bs {+)
TEST HARNESS07t4, - PT3010a
" , -1llltf,'tfrSfiiwiafi
22-15

Troubleshooting
A/G System
10 page 22-17
A/C ay3t6m doe3 not como on(compro!3or and both f.ns).
Disconnect the A/C pressure
switch 2P connector.
Turn the ignition switch ON (II).
Measure the voltage beoveen the
BLU/RED wire terminal (+) and
bodv ground 1-).
Reprir opon in thc 8LU/RED wire
batwoan tho A/c prossute
rwitch rnd th. A/C diod..
Turn the ignition switch OFF.
Check lor continuity betwoen the
No. 1 and No. 2 terminals of the
A,/C pressure switch.
Check for NC system Pressure.
Reco n nect the A/C pressure
switch 2P connector.
Rophce tha A/C pre3!u.6 awitch.
View from wire side
YEL/WHTBLU/RED {+l
22-16

From page 22-15
Turn the ignition switch ON (IIl.
Measure tho voltage betweon theBLK/YEL wire terminal (+) andbody ground (-).
R.p.i. op.n ir th. BLX/YEL wirobatwc.n tha unda.-darh fuao/r.l.y box .rd rh. A/C th.rmo.t!r.
Measure th€ voltage between theYEL/WHT wire terminal {+} andbody ground (-).
R.prir op.n in th. YEL/WHTwiro bctwaan tha A/C praaau.crwhch .nd th. A/C th..mo.ht.
ls there battory voltage?
T!rn the ignition switch OFF.
R€connect the Ay'C thermostat 3Pconn€ctor and connect the BLU/RED wire terminal to ground witha l!mper wire,
Do the radiator and con-donser fans run and thecompressor clutch engage?
Turn the ignition switch OFF anddisconn6ct the jumper wire.
YEL/WHT l+l
View from wir€ side
To page 22-18
(cont'd)
22-17

Troubleshooting
Remove the heater control Panel(see page 21 25)
Disconnect the heater controlpanel 14P connector'
Turn the ignition switch ON (lI).
Measure the voltage between the
BLU/RED wire terminal (+) and
body ground { }
Rop.i. opon in tho BLU/BED wir.
b.twoon tha A/C thermort.t lnd
the haat.r control Panal
Turn the ignition switch OFF.
ls the A/C switch OK?
Check for continuitY in the GRN
wire between the heater controlpanel and the heater fan switch
R.prir op.n in the GRN wiro be'
twoen thc hartet contlol Panaland tho h.rtor fln switch.
Check for continuity in the BLK
wire between the heater {an
switch and body ground.
Chock fol an opon in the BLK
wi.a b.tween th. hotte. hn
lwitch tnd bodY ground. ll tho
wiro it OK, chock for Poorg.ound .t G4ol .nd G402.
Replace the heater lan switch.
Frcm page 22'17
View lrom wire side
A/C System (cont'dl
No. 11 BLU/RED l+l
22-18

Fuses
Under-dash Fuse/Relay Box
c918lTo root wiro harness (C661llc919
lTo dashboard wire harness (C55'l )lc920lTo lurn signal/hszard .elayl
c928lTo SRS luso block {C931}l
cg22lTo powor window rclaylAuxili.ry fulo holdei
r: Not usod.: Canadd| ): S6dan
O: C923 loplion lBATll
@: C924 toption (BATll
O: C925 toption llc2)1
@r C926 loption {No. 19 fusoll
@: C927 loption {ACC)I
r.-------l
SRS FUSE BLOCK
c929
J To SRS main II harnass {C8011 I
c930
I To ignitionl
I switch i
c931
I To und€rdash II fuso/rolay box {C928) I
Elnnnr.'trJnnrJn12 13 14 15 16 17 18 19 20 21
UUIJUIJULJLILIIJ
n|:]nnnnnn r''l
1 2 3 t4l 5 6 (7) 8 9.
LIIJLIULJUUU U
22 23
UIJ
N11
10 11
LILI
23-48

Power Distribution
Circuit ldentification
IGNITION SWITCH
+page 23-
r 1 No.24115A): 81881 engin€No.24 l20A): Bl8C1 6ngin.
N0.40 {504)FUSE(From pago 23 - 551
UNDER - DASH FUSE/REIAY BOX
sRs FusE 81-0cK
No.25l10Al
No.14l20A)
No.l5 {1041
Chuging sY3l.m lightlln tho g6ug€ s3€mblyl
Cruis€ controlunitCdis6 msin 3whch itdicttor light
PGM - Fl mlin r6lry
) lrrmmirdon control modulo [ICM)
Vohag6 rcoulatorVehiclo sp.€d somor IVSS)E|.l) unit IUSA)Crube conttol unit
Moonrcof rclayWind.hicld wipot motorWirdlhi€ld waah6. motorR6ar window ws3hor motot {HrtchblctlInt.gGtod control unit
Power wirdow tclaY
Int6lrat€d contrcl unit- R6af window wipor motol(H3tchbtck)
571
GRNiEI(GRNAt(
GRN/8I..K
BLKffEt
-EiT"h#,H#J:r"
Shitt lock solenoU {MlEack -up lights
option conn€ctor: C924
Daytimo running lights conttol unit
YEt..--
lrcz
Ml t -'-
\'- _ ^ACC
23-56
*2 No.17 {1041bor sockstl

IGNITION SWTCH ISTIlFrom p.!€ 23 - 561
f7
I.---F-------lI-lSTARTFPi Bffi,!'HT 6u?'ili,iY i| -' r r l clurcr It-11iPt ;rui8rr H inl-rhicicxswrcr 1,,,,,,Itill-+{ .'.i o-F BIK/RED --.5 BLX/!\,HT - st.der sotenoid il-l I r
BLK/REO
fr
r---
uxrivn Sr$!gfr*,r.,
L€-eumoBLKMHT - Starlsr solenoki
-------J
UNDER -DASH FUSEiRELAY BOX
No.l817.5A)ELUMHT --?- PGM _ Ft msin rctay- ECM
lnt€gretod control unit
St6r6o radio/c$r€tt6 playot
Cig€rone lightor
Option connoctor: C927
Pow6r minor *tuetols
noar wandow dologgor switchindicrtor light
R6dietor fan robyElowor motor rclayfuC compr$sor clutch rsl6yA/C lhomGtstCond6ns& tan ml6yMod6 control motorRocicubtion control motorH6at€r control panolRear window deloggor relayABS pomp motor tolayABS insp€ction connoctorABS contrcl unit
Option connoctor:C925
Daytime running lightscontrolunit
(From pag623-56 )
No.23ll5AlYEURED --E
lG2lFrom p.!623- 56 ){Fus€/relay box sockotl
+ l,lo,16 {7.5A1
23-57

lgnition Switch
Steering Lock Replacement
CAUTION:
a All SRS electrical wiring harnesses ale covsred with
yellow insulation.
a Belore disconnecting any parl ot the SRS wir€ hal-
ness, connecl the short connector{s).
a Replace the entire alfected SRS harness a$6mbly il
it has an open circuit or damaged wiring.
NOTE: The original radio has a coded thett protection
circuit. Be sure to get the customer's code number betore
- disconnecting the batterY.
- removing the No. 32 (7.5 A) fuse from the under-hood
fuse/relay box.- removing the radio.
After service, reconnect power to the radio and turn it
on. When the word "CODE" is displayed, enter the cus-
tomer's 5-digit code to restore radio operation.
1. Disconnect the negative cable from the battery.
2. Remove the dashboald lower cover and knee bolster
(see page 23-7'l ).
3. Disconnect the 5-P connector from the under-dash
fuse/relay box and the 7-P connector trom the main
wire harness {see page 23-71).
4. Remove the steering column covers (see page
23-711.
5. Remove the column holder mounting bolts and nuts'
BOLT22 N.m
12.2 kgl'm.
NUT13 N.m(1.3 kgf.m, 9.4 lbl'ftl
23-72
16 tbt.ftl
6. Lower the steering column sssembly.
7. Center-Dunch each oJ the two shear bolts and drill
their heads off with a 5 mm {3/1 6 in) drill bit'
CAUTION: Do not dama96 tho switch body whon
r€movlng the shoar bol$.
Remove the shear bolts from the switch body.
Install the new ignition switch without the key in-
serted.
Loosely tighten the new shear bolts.
Insert the ignition key and check for proper opera-
tion of the steering wheel lock and that th€ ignition
key turns freely.
Tighten the shear bolts untilthe hex heads twist off.
8.
q
10.
11.
12.