connector or terminal HONDA INTEGRA 1994 4.G Service Manual

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oooooooooooMeasure the resistance betweenthe A5 and 425 or 426 terminals.
ls the resistance 14-16 0?
NO
3P CONNECTORView from terminal side.
SHIFT CONTROLSOLENOID VALVEASSEMBLY
(cont'd)
Chock lor loora TCM connectoE.lf n6c€53ary, sub3titut6 a known-good solonoid valvo assembly orTCM and r6check.
Disconnect the 3P connector tromthe shift control solenoid valve as-sembly.
Check for continuitv between theA5 and A25 or 426 torminals.
Ropair shon to ground in BLUI'ELwir6 botwoon tho A5 tstminal andtho shift conlrol solonoid valvo A.
Measure lhe resistance of thesolenoid at lhe 3P connector.
Check fo. opon in BLU/YEL wirobolween th6 A5 torminal and thoshift control solenoid valve A.
ls the resistance '14-16 0?
14-63

Electrical Troubleshooting
Troubleshooting Flowchart (cont'dl
Possible Cau6e
. Disconnected shift control sole-noid valve B connector. Short or open in shift controlsolenoid valve B wire. Faulty shilt control solenoidvalve B
Solfdiagnolir [!4 Indicato. lightbllnk! eight tim6r.
Turn the ignition switch ON.
Check whother the MalfunctionIndicator Lamp {MlL) blinks (seesection I 11.
Rcpsir rho FGM-FI Syrtem lso6scciion l1l.ls the MIL blinking?
Turn the ignition swirch OFF.
Oisconn€ct the 26P and 22P con-nectors trom the TCM.Connect the Test Harness "A"
and "D" connectors to the wirohamess only. not to the TCM {sesp6ge 14-49).
Turn the ignition switch ON.
Measure the voltage betwe€n theD18 and A25 or A26 terminals.
Ropeir opon or short in WHT/BLKwiro trotweon th6 D18 termineland tho EcM.
ls the voltage 4.75-5.25 V?
Measure the voltage between th€A3 and A25 or A26 terminals.
Ropair rhort to powor rourco inGR /WHT wir6 b€twgan tho A3tormirEl and shift conLol lolonoidvalve B.
Turn the ignition switch OFF.
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To page

Measure the resistance betweenthe A3 and A25 or A26 terminals.
Chod. lor looro TCM connoctoB.lf nocdaary. 3ubatltute a known-good rolonold valv6 6ra6|nbly otTCM snd recheck.
ls the resistance I +16 07
Disconn€ct th6 3P conngctor fromthe shift control solenoid valveassembly.
Check for continuity between theA3 and A25 or A26 terminals.
Ropair short to ground in GRt{/WHT wiro botwoon th6 A3 tormi-nrl and tho shitt control aolonoidvalve B.
Measure the resistance ot thesolenoid at the 3P connector.
Chock to. open in GRN/WHT wirob6twe.n th€ A3 lerminal and thoshifl control solonoid valvo B.ls the r€sistance 14- 16 O?
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Roplace lhe rhift control solenoidvalve arr€mblv.
SHIFT CONTROLSOLENOID VALVEASSEMELY
(cont'd)
14-65

Disconnoct the 22P connectortrom the TCM. Connecr tho T€stHarness "D" connector to thewhe harness onlv, not to the TCMlsee page '14-49).
Check for continuitv betweenbody ground and 017 terminaland D15 terminsl individually.
Rgpllr short in BLU/GRI{ otBLU|/EL wlro b€twgon Dl7 andDl5 torminsla and ths countar-rhaft apo€d sengor.
Reconnect the countershaftsDe00 sensor connector.
Msasure the rgsistance betweenD 1 7 and 015 terminals.
Rgpair looa6 ta.minsl or opon in8LU/GRN o. 8LU/YEL wiro bo-trvaon D'17 and D15 tormindgand tho count6rlhafl !p6gd!€ntor,
ls the r€sistance 4OO-600 07
Ch6ck for looaa TCM conn6cto..ll nocaslrry, aubrlitut6 a known-good TCM a.d .6ch.ck.
(cont'd)
4-67

Conneci the Test Hs.ngs6 "A"
and "O" connectors to thg TCM.
Start the engine and warm it upto normal ope.ating t€mpsratuG(the rsdiator fan comes on).
Measurgthe voltage between the05 and A25 or A26 terminals.
Rlplir opsn or rhort in BED/WHTwira botwaan tra D5 torr nC lndtha ECT lanaor.
ls the voltago less th6n lV?
Ch.ct tor loora TCM co.rmcror..It nocgallry, sublthuta a known-good TCM .nd rechrck.
14-69

Electrical Troubleshooting
Troubleshooting Flowchart (cont'd)
Possible Cause
. Disconnected ignition coil con-neclor. Short or open in ignition coil
. Faulty ignition coil
Solt-diagnosis lq.l indicstor lightblinks elovon tim6s.
Disconnect the 26P connectorIrom the TCM.
Turn the ignition switch ON.
Measure the voltage between theAg (BLU) and A25 (BRNiBLK) orA26 (BRN/BLK) terminals.
ls there baftery voltage?R6pai? opon or short in BLU wirolrotwqan lh. A9 torminll 6nd th.ignilion c!il.
Ch6ck lor loos6 TCM connactora.It nacosaary, substituto a known-good TCM and rochock.
NOTE: View from wire side.
14-70

Disconnect lhe 26Pand 22P con-nectors trom the TCMConnect the Test Hahess "A"
and "D" connectors to the wireharness only, not to th€ TCM {seepare'14-49).
Possible Cause
. Short or open in LT GRN wire between the D3terminal and the ECM.. Fauky the barometric pressure {8ARO} sensor.NOTE: The BARO sensor is built into lhe ECM.
ooooooooooooo
oooooooooooo0oOOqgopg I,oiOOOOol ooo ooooooooooocqooo:Joo.oipggl o oooooo o 9ooTurn the ignition swirch ON.
Measure the voltage between theD18 and A25 or A26 terminals.
ls the voltage 4.75-5.25 V?
Turn the ignition swith OFF.
A25t- |
Soll-diagnosis Lq! indicator lightblinks thirtoon tim6.
ls rhe Malfunction lndicatorLamp (MlL) on and does itindicate code 13?
Do the TCM Rest Procedure (seepage 14-49).
Turn the ignition switch ON.
Substituto a known-good ECM and rechock.ll symptom/lndicationgoos away, .oplace theoriginal ECM.
ls the MIL on and does itindicare code 13?
Turn the ignition switch OFF.
Ropair opon or short in WHT/BLKwir6 botwoon th€ D18 to.minaland tho EcM.
fo page 14-72
14-71

Electrical Troubleshootang
Troubleshooting Flowchart (cont'd)
From page '14-71
TCM 22P CONNECTOR
Disconnect the 22P connectorslrom the TCM and ECM.
Check for continuity between theD3 {LT GRN) terminal ol the TcM22P connecror and the D8 ILTGRN) terminal of the ECM 22Pconnector.
Ropai. opon In LT GRN rvi.a b.-twoon tho TCM and ECM.
Check lor continuity between theLT GRN wire and body ground.
Ropair short lo body ground inLT GRN wir6.
Ch€ck lor loos6 TCM and ECMconnectors, lf necessary, aubari-tute a known-good TCM andrccheck.
NOTE: View from wire side.
ECM 22P COiINECTOR
14-72

Electrical Troubleshooting
Troubleshooting Flowchart (cont'd)
ls there continuity?
o o o o o o o o O o O o O $:O.COOtt9O$:l:OtO:CtOiOi:l O o O O O O o O o o Oo o o o o o o o o o o o O I:f(O.{iltltO{t{t:I:OFA:F:d:O:l o o o o o o o O o o o
NOTE: View lrom wire side.
NO
From page 14-73
Measure the voltage between theD 16{+ ) and A25 or A26{- ) ter-mtnals.
Check for loos€ TCM connoctors.ll ngcossary, substituto a known-good TCM and rechock.
ls there approx. 5 V?
Disconnect the 26P connectorfrom the ECM.
Check for continuitv between theD16 and A25 or A26 rerminals ofthe Test Harness.
Ropairshort in YEL IFAS) wire be-tw6on TCM and ECM.
Disconnect the 26P and 22P con-nectors from the Test Harness.
Check for continuity between theD16 (YEL) terminal ot fCM 22Pconnector and A19 (YEL) terminalof ECM 26P connector.
Chgck tor loos€ TCM connoctofs.lf nocassary, substitute o known-good TCM and rech6ck.
Ropair opon in YEL {FAS} wiro bo-trve€n TCM and ECM.
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22P CONNECTOB

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
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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