1994 HONDA INTEGRA Main harness

ldle ControlSystem
Brake SwitchSignal
This signals the ECM when the brake pedal is depressed.
11-90
Inlp.ction ot Brd(. Switcfi Siignal.
Are the brake lights on withoutdepressinO the brake pedal?ltuoacl ths braka .wilch {!.a !ac-don 191,
Inspect STOP, HORN (20 Allusein the undeFhood fuse/relav box.Oo the brake lights come on?
R.pl!c. STO P,HOR {2O A) tu...R.pdr dbrt In WtlT/GBI wlrr batu..nb?!ka .wltch a.rdsToP, HOR[{ (20 A}lura.
ls the luse OK.?
- Ropalr opon In WHT/GRN wirobatwoan b'lka lwltch andSTOP, HORTI {20 Al lu!o.- InlDect tho braka awitch la6a.6cdon 19).
Connect tho t€st harness to themain wire hamess only, not to theECM {see page 11-37).
(To page 'l1-91)

Fuel Supply System
Fuel Pump (cont'dl
Tc.ting
@E o" not smoko during tho tesr. Koop openflrmo away fiom your work area.
lf you susp€ct a problem with the tuel pump, check thatthe lusl pump actually runs; when it is ON, you will hearsome noise if you hold your ear to the luel lill oon withthe fuel fill cap remov6d. The fuel pumD should run fortwo seconds, when ignition switch is first turned on. llthe fuel pump does not make noiss, check as tollows;
1. Removo the rear seat (see section 2O).
-'2. Remove the access panel.
3. Disconnect the 2P connector from the fuel pump.
CAUTION: 86 lure to tum th6 ignition switch OFFbotor6 disconnoctlng th€ wilos,
4. Connect the BLK|yEL @ wire 8nd YEL/GRN @ wirewith a iumpe. wire 8t the PGM-FI main relav con-
nectot.
l.t, .--/ re -Fl. . MAll{ RELAY
BL&YELJumper
Check that battery voltage is available at the tuel
pump connector when the ignition switch is turned
ON (positive probe to the YEL/GRN wire, negativeprobe to ths BLK/WHT wire).
ACCESSPANEL
side
YEL/GRN
a lf battery voltage is available, replace the fuel
pump.
a It there is no voltage, check the tusl pump ground
and wire harness {see page I 1-1 l2).
11-110
Roplacomont
@ oo not smoks whilo worklng on fuel syr-
tem. Kaop opon llamos away from your wolk araa.
1. Remove the rear ssats {soe section 2O).
2. Remove the access oanel.
3. Disconnect the 2P connector from the fuel pump.
4. Remove the fuel pump mounting nuts.
5. Remove the fuel pump trom the luel tank.
6. Install a new washer on the banio bolt, then install
Darts in the revers€ order of removal.
6 N.mlO.6 kgl.m,.4 tbt.ftl
27 .m(2.4 kgt.m,21 tbt.ftl

(From page 'l'l-1121
Roplir op.n in GRI{/BLU wirc bo-tw..n ECM lATl lnd PGM-FImain rolay.
Measure the voltag€ betweenA23l- ) t€rminal and the tollow-ing t€rminals; A25 (+ ) Bl (+ ).
- Ropair opon in rh. YEL/BLKwir. @ b€twoon the ECM1A25, 8tl .nd PGM-FI mrinraLy.- Roplsc. ttro PGM+I min ru4.y.
Turn the ignition switch OFF.
M€asure the voltage betw€en A7(+)torminal and A23 { - } t€rmi-nal when the ignition switch isfirst turned ON for two soconds.
Subrlitutc . known{ood ECM.nd 6chock. lf p..crib.d volt.g.ir now avallablo, rodaco lha otlgi-nsl ECM.
ls there 1.O V or l€ss?
Chod. th6 FGM-FI fioin relay {3o.p6g6 11-1111.
Turn the ignition switch off.
Connect the test harnoss b€tweenthe EcM and conneclors.Oisconnect "A" connector tromthe ECM onlv. not the main wireharness (see page 1'1-37).
Check forGRN/BLUlermrnal.
continuity betweenterminal O and A7
YES
Reconn€ct "4" connector to theECM.
Turn the ignition switch ON.
Bstt.ry vohago?r-----r_-lA23 (-l A25 Bl
Brttaiy voftago?
a7 (+l A23A23 (-)
11-113

(From page 1 1-124)
Raise engine speed to above6,000 rpm.
Disconnect the 2P connector tromthe IAB control solenoid valve.
Turn the ignition switch OFF.
Check for continuity to ground onthe PNK/BLU wire.
Ropair short to g.ound
at PNK/BLU wiro bo-two6n ECM {A17) andtho 2P connector.
ls there continuity to ground?
Substituto a known-good ECMand racheck. It symptom goos
swsy, roplace tho original ECM.
{From pago 1 1-124}
Repsir op6n in YEL/BLKwiro botwoon tho 2Pconnector and FGM-FImain relaY.
ls there battery voltage?
Turn the ignition swirch OFF.
Connect lhe test harness betweenthe ECM and connectors lseepage 11-37).
Turn the ignition switch ON andconnect a lumper wke betweenECM (A17) terminal and ECM
{A26) terminal.
Ropaiiopon inP K/BLUwiao botwoen ECM
lAl7l and tho 2P con-nectot.
Ooes the solenoid valve clickwhen the jumper is con-nected?
Sub3titute a known-good ECMand rechock. lf symptom/indica-tion goos away, r6place tho origi-nal ECM.
Check lor vacuum at #'l3 vacu-um hose.
IAB control syst6m is OK.
11-125

Special Tools
Rol. No. Tool NumbslDescriptionOty Page Reference
o
IA\
,6\
@
€/
o
@rt)
@
@
\9
@
@
@
@
@
@
OTGAB PF50l OO
oTGAB-PF50101
oTGAE-PG40200
oTHAC-PK4010A
oTHAE-PL50lOO
oTLAE-PX40100
OTLAJ PT30l OA
OTMAJ-PY4O'I 1A
oTMAJ-PY40120
oTPAZ -OO10100
07406-OO20003
o7406 0070000
07736 A01000A
o7746-O010100
o7746-O010500
07746-OO10600
07746 0030100
o7749-O010000
07947-6340500
Mainshatt Holder
Clutch Spring Compressor Bolt Assembly
Housing Puller
Clutch Spring Compressor Attachment
Clutch Spring Compressor Attachment
Test Harness
A/T Oil Pressure Hose, 221O mm
A/T Oil Pressure Adapter
SCS Short Connector
A/T Oil Pressure Gauge Set w/panel
A/T Low Pressure Gauge w/panel
Adjustable Bearing Puller, 25-40 mm
Attachment, 32 x 35 mm
Attachment, 62 x 68 mm
Attachment, 72 x 75 mm
Driver, 40 mm l.D.
Driver
Oriver Attachment
'I
I
1
1,1
1
1
1,|
1
1
1
1
1
I
I'I
1
14-1 1 1.160
14-144,147
14-1 1 3
14- 144,147
14 144,'t47
14-49,90
14-94
14-94't 4-44
14-94
14-94
14-150,151
14-139,140
14-140.1 50,1 51,1 52, 1 53
14-150,152
14-134
1 4-1 39,'140, 1 50.1 51,1 52
14,150
Edrn$r--€
o
a)
a6l@o
@@@@(r)
*@ Must be used with commercially available 3/8 in. x 16 threads/in. slide hammer.
@
14-2

Possible Cause
. Disconnected mainshaft speedsensor connecror. Short or open in mainshaltspeed sensor wrre.. Faulty mainshatt speed sensor.
NOTE:. A code 15 on the TCM doesn't alwsysmean there's an electrical problem in themainshaft or countershaft speed sensor cir-cuit; code '15 may also indicate a mechani-cal Droblem in the transmission.
3P CONNECTOR
II o o o o o o o oo o o o o I:OtlO$O$g:Sl!:OlXOl*Ofill o o o o o o o o o O o | |
I ooooooooooooo l Sciii:ddii:ijii:l:i$idi$;d6#:l o oooop oo ooo | 6
"-f
1-L(0)Y-!
(cont'd)
solf-diagnosis E indicator lightblink tiftoon timos.
Are the mainshaft and counter-shalt speed sensors installedproperly?
Disconnect the 3P connector lromthe mainshaft speed sensor.
Measure the resistance ot themainshaft speed sensor.
ls the resistance 4OO-600 O?
Disconnect the 22P connectorfrom the TCM.Connect the Test Harness "D"
conneclor to the wire harnessonly, not ot the TCM (see page14-49).
Check the continuity betweenD19 and D12 terminals and bodyground.
Rcoair short in ORN/BLU otWHT/BLU wiros botween Dlgand Dl2 to.minals and tho main-shatt speod ronsor.
Reconnect the 3P connector tothe mainshatt speed sensor,
To page 14-76
14-75

Transmission Control Module
Replacement
I The Transmission Control Module (TCMI is located be-
low the dashboard, behind the lelt side kick panel on
the driver's side.
CAUTION:
a All SRS electrical wiring hahesses are covered withyellow insulation.
a Betore disconnecting any pan ot the SRS wile har-
ness. connect the short connectors lsee page 23-7O).
a Replace the entir6 affected SRS harness ass€mbly if
it has an open circuit or damaged wiring.
1. Remove two clips securing the kick panel then
move it.
2. Disconnect the connectors and remove the TCM.
6 x 1.0 mm12 N'm{1.2 kgf.m,8.7 tbf.Itl
WIRE HARNESS/CONNECTORS6 x 1.0 mm12 N.m(1.2 kgf.m, 8.7 lbt.ftl
KICK PANEL
SRS MAIN HARNESS
14-84

Mainshaft/Countershaft
Speed Sensors
Replacement
Disconnect the speed sensor connectors, then re-
move the harness clamp on the countershatt speed
sensor harness from the harness stay.
Remove the 6 mm bolts securing the mainshaft and
countershalt speed sensors from the transmission
housrng.
Remove the mainshaft and countershaft speed
sensors,
Installthe mainshatt and countershalt speed sensors
in the reverse order of the removal.
COUNTERSHAFTSPEED SENSOR
I{ARNESS STAY
6 x'l,O mml2 N.m{1.2 kgf.m,8.7 tbf.fr)
6 x 1.O mm12 N.m(1.2 kgf.m,8.7 tbf.ltl
14-85