1994 HONDA INTEGRA Workshop Manual

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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oooooooooooo
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Roplace lhe rhift control solenoidvalve arr€mblv.
SHIFT CONTROLSOLENOID VALVEASSEMELY
(cont'd)
14-65

Electrical Troubleshooting
Troubleshooting Flowchart {cont'dl
ls the countershaft speedsensor installed properly
2P CONNECTOR
COUNTERSHAFTSPEED SENSOR
Possible Cause
. Loose or faulty connection be-rween the TCM and car harness.. Disconnected countershaft speedsensor connector. Short or open in the counter-shatt speed sensor wire. Faulty counlershaft speed sensor
Self-diagnosis Lq! indicator lighrblinks nino timos.
Disconnect the 2P conneclor lromthe countershaft speed sensorconnector,
Measure the resistance ot theco!ntershaft speed sensor.
ls the resistance 4OO 600 0?
To page 14-67
14-66

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

Electrical Troubleshooting
Troubleshooting Flowchart (cont'dl
Possibl€ Caus6
. Disconnoct€d engine coolantt€mp€rature (ECTI sensor con-noctor. Short or open in the ECT sensor
. Faulty ECT s€nsor
Self-diagnosis E indicator lightblinks ten times.
Turn the ignition switch ON.
Check whether the MalfunctionIndicator Lamp {MlL} blinks (seesection 1 1)-
ls the MIL blinking?Rop.ir tho PGM-FI Syrt.m (!go
!.ction 111.
Turn the ignition switch OFF.
Disconnectthe 26P and 22P con-nectors trom the TCM.Connect the Test Harness "A"
and "D" conneclors to the wireharness only, not to the TCM (seepage 14 49).
Measure the voltage between theD'18 and A25 or A26 lorminals.
Bopair op.n or .hofi In WHT/BLKwiro botwoon tho O18 tanni.|al.nd the ECM.ls the voltage 4.75-5.25 V?
Turn the ignition switch OFF.
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ooooooooooooooooooooooo
oooo o oo o
Dlal + I

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