ACURA INTEGRA 1998 Service Repair Manual

From page 14.64
Mearuro ATP D3 Vohage:'1. Shift to E position.
2. Measure the voltage betweenthe A8 and A13 or A2O termi-nals.
Repair opan in tho wire bstwoGntho A8 to?min.l rnd th€ A/T g6a.po.ition 3whch.
Me.ruro ATP 2 Voltrgo:1. Shift to E position.
2. Nleasure th€ voltage b€tweenthe A7 and A13 or A26 termi-nals.
Raprir opon in tha wir. lratwaanlh. A? t.rminal .nd tho A/T gearposition 3witch.
Mea3u.. ATP 1 Vohage:1. Shift to E position.2. Measure the voltage betweenthe A6 and A13 or A26 termi'nats.
Raplir opon in tho wiro bdtw.onthe A6 tarminal lnd thc A/T goalposition swhch.
Ch€ck lor loora TCM connactoa3.It ncccsa!ry, sub3titutc 6 known-good TCM and roch6ck.
TCM CONNECTOR A I26P}
WIRE SIDE OF FEMA1I IERMINALS
14-65

Electrical Troubleshootin g
Troubleshooting Flowchart - Shift Gontrol Solenoid Valve A
,
Possiblc Cause
. Dbconnoctod shift controlsolonoid vrlv€ A conneclot. Short or oDen in 3hift controlsolenoid valve A wire. Faulw 3hift control solanoid
Morsure VREF Vohag6:1. Disconnect the A (26P) andB (22P) connectors trom theTCM,2. Turn the ignition switch ON (ll).
3. Measure the voltage betweenthe 820 and A13 or 426 termi-nals.
TCM CONNECTORS
WIRE SIDE OF FEMALE TERMINALS
WIRE SIDE OF FEMALE TERMINALS
14-66
TCM CONNECTOR A (26PI
. OBD ll Scan Tool Indicat . Codem7$.. Self-Diagnosis E indicatorligln blinb sovon times.
Repair open or 3hort in the wirobetwoon tho 820 terminal 3nd
the ECM.ls there approx. 5 V?
Chock lol a Short to Power:Measure the voltage between the
43 and Al3 or 426terminals.
Repail short to powgr in the wirebelwoon the A3 termin.l and th6shift control solonoid valvo A.
Measure Shift Contlol SolenoidValvo A R63btenc.:1. Turn the ignition switch OFF.2. Measure the resista ncebetween the 43 and A13 or426 torminals.
Chock for loo3. TCM connectors.ll nec€ssary, 3ubsthute a known-good solenoid v.lve sssombly orTCM and r6check.
ls the resistance 12 - 25 O?
To page 14-67

From pege 14-66
Chock Shitt Control SolonoidValvo Alor a Short Circuit:1. Disconnect the 3P connectortrom lhe shift control solenoidvalve assembly,2. Check lor continuity betwoenthe A3 and A13 or A26 termi-nals,
Rapair sho.t to ground in thswi.c batwocn tha A3 torminalind th6 shift control 3olanoid
Mearur. Shitt Control Sol.noidValv. A Re3istsnce at th. Sol€-noid Connactor:Measur€ the rosistance betweenterminal No. 1 of the shift controlsolenoid connector and bodyoround.
Chcck tor ooen in th6 wir6betwocn the A3 tclminll .nd tho.hift control 3ol6noid vrlvo A.ls the rosistsnce 12 - 25 0?
Repl.c6 th. .hltt control .016-noid valvo aarcmbly.
TCM CONNECTOR A I26PI
WIRE SIDE OF FEMALE TERMINALS
SHIFT CONTROL SOLENOID
CONNECTOR
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TERMINAL SIDE OF MALE TERMINALS
14-67

Electrical Troubleshootin g
Troubleshooting Flowchart - Shift Control Solenoid Valve B
Po3sibl. Cauao
' Diaconncctad ahift controlsolanoid valve B connoc'tor. Short ol op.n in shift contlolsolanoid valvo B wiro. Faulty lhift control solonoidvalvo B
TCM CONNECTORS
WIR€ SIDE OF FEMALE TERMINALS
WIRE SIDE OF FEMAI."E TERMII{ALS
Me.sure Shift Control Solenoidvalvo B Raliatanco:l. Turn the ignition switch OFF.2. Measure the resistancebetween the 42 and A'13 orA26 terminals.
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TCM CONNECTON A (26PI
. OBD ll Scan Tool Indicrt.3 Codem758.. sell"Diagnosi3 [Q indicatorlight blink3.igl|ttlm.!.
Moasur. VREF Voh.go:1. Disconnect the A (26P) andB (22P) connectors from thoTCM.2. Turn the ignition switch ON (lll.
3. Measure the voltage betweenthe 820 and Al3 or A26 termi-nals.
R.pair opan or 3hort in thc wirab.twrqn th. 820 tormin.l and
th. ECM.ls there approx. 5 V?
Check for . Short to Powor:Measure the voltage bstween theA2 and A13 or 426termin8ls.
Rapair Bhort to power in tho wilobotwecn thr 42 laiminal and th.3hift control solanoid valvo B.
Chack lor loos. TCM connactoB.lf n.ceasary, subsiituto a known-good sol.noid valv6 tasambly olTCM rnd rech.ck.
ls the resistance 12 - 25 O?
To page 14-69
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From pag€ 14-68
Chock Shitt Control Sol.noidV.lv! B tor r Short Circuit:1. Disconngct th6 3P connoctortrom the shift control solenoidvalve sssombly.2. Check for continuitv betwo€nth€ A2 and 413 or 426 tormi-nals.
Rapalr lhort to ground in ihowirc batwoan lhc A2 tarminaland th6 ihlft control 30lcnoidvalva B.
M...ur. Shift Control Sol.noidValv. B R.rid.[c. rt tha Sol.-noid Connactor:Measure the resistanc6 betweenterminal No, 3 of th€ shitt controlsolenoid connector and bodyground,
Ch.ck for open in lh. wi..batwaon th6 42 torminrl rnd thoahitt control lolanoid valva B.
ls the resistance l2 - 25 0?
TCM CONNECTON A I26PI
WIRE SIDE OF FEMALE TERMINALS
SHIFT CONTROL SOLENOIDCONN€CTOR
GRN/WHT
TERMINAL SIDE OF MALE TERMINALS
14-69

Electrical Troubleshootin g
Troubleshooting Flowchart - Countershaft Speed Sensor
Posalbla Cruae
. Loora or faulty connactionb.tw.$ tho TCM and 61 h!1.
na33. Dbconnactad couniaBhaftlocad lantot oonnac{ot. Shorl or opan in counta6hatttDaad $naor wha. F.ultv coufiaEh.ft apaad acn-aol
COUNTERSHAFT SPEEDSENSOR CONNECTOR
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lfr-trtlL+l-r-T-
t@tl
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TENMINAL SIDE OF MAIE
TCM CONNECTON B (22PI
TERMINALS
L
14-70
WIBE SIDE OF FEMALE TERMINALS
. OBD ll Scrn Tool Indlcat ! Cod.m720.. Self-diagnosis E indicatollighl blinks nine tim6.
ls the countershaft speed sen-sor installed properly?
Moas{ra Cour 6Ghaft Sp€od Sen-60r R6Btanca gt iha SaGol Con-n€c'tor:1. Disconnect the 2P connectortrom the countershafl spgodsensor connectof.2. Measure the resistance ol thecountershaft speed sensor.
ls the rosistance 400 - 600 O?
Check Countorrhcft Spe.d Son-3ol for r Shon Circuit:1. Disconnect the 8{22P) con-nector lrom the TCM.2. Ch€ck lor continuity betweenbody ground and the 88 t€r-minal and Bg terminal individ-ually.
Rapair rhon In th6 wiro! hwaantho E8 rnd Bg te.min.l. .nd th.countaFhaft !D..d aanaol.
To page'14-71
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Mgasuro CountoFhaft Spo€d Sen-sor Re3btancg:1. Con nect the countershaftspeed sensor 2P connedor,2. Measure the resistancebetween the 88 and gg termi-nals.
Ropair looto torminsl or opgn inthe wires b.twoon th6 88 .nd 89torminals and tho countor3haftspoad s€nsor.
ls the resistance 400 - 600 0?
Chock for loo3o TCM connodor.lf neceatary, substitute a known.good TCM and rochock.
From page 14-70
TCM CONNECTOR B I22P)
WIRE SIDE OF FEMALE TERMINALS
14-71

Electrical Troubleshooting
Troubleshooting Flowchart - Engine Coolant Temperature
(EGTISensor
Polribl. Cluta
. Dirconnoct.d Engin. CoollntTampaolur€ IECTI aanaor con.noctot. Short or opcn In ECT..n.or
. F.ulty ECT r.n.or
Tctrrt oot{NEcToRs
WIRE SIDE OF FEMAII TERi'IINAIS
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M6esur. ECT Voh.ge:1. Turn the ignition switch OFF.2. Connect the A (26P) andB (22P) connectors to the TCM.3. Start the engine and w6rm ituP to normal operating tem-pe ratu re (the radiator fancomes on),4, Measure the voltage betweenthe 83 and A13 or A26 termi-nats.
Ii
:
rt.fls there less than 1 V?
Ch.cl fo. looso TCM connac{or3,t nacaasary, substituto a known"good TCM rnd r.chock.
' OBD ll Scsn Tool Indicat6 CodeP1792.. Sett'diagno3i3 E indicatollight indicates Code 10.
Chock tor Anothor Codo or MILBlinking:1. Turn the ignition switch ON (ll).
2. Check wh€ther rhe OBD llscan tool indicates anothercode or the Malfunction Indi-cator Lamp (MlL) blinks (see
section 11).
Does the OBD ll scan tool indi-cate another code or is theMIL blinking?
Moasure VREF Voh.go:1. Turn the ignition switch OFF.2. Disconnect the A {26P) andB (22P) conneotors from theTCM.3. Turn the ignition switch ON (ll).
4. Measu.e the voltage betweenthe 820 and A13 or A26 tormi-nals.
Bap|ir open or thort in tha wircb.two.r th. B:m t.rminll .nd thoECM.
ls there approx. 5 V?
napalr opln in iha wlra brtwaanthe lB t.rminrl lnd th. ECT r.n-ao1.

. OBD ll Sc.n Tool Indicrt$ cod.m725.. S.lf.di.gnosi3 E indicetotlight indicet$ Cod. 'l 1.
Motsure NE Vohago:1. Disconnect the A{26P) con-nector from the TcM.2. Stan tha €ngine.3. Measurg the voltage betwegnthe A5 and Al3 or 426 termi-nals.
Rapair opan or lhort in tho wirabctwo6n tho AS tarminal and tholgnhion coil.ls there banery voltage?
Chack tor loose TCM connector.lf necasllry, 3ub3titule a known-good TCM snd recheck.
- Troubleshooting Flowchart - lgnition Coil
JU
Poaaible Cau3€
' Di.conn€c{od ignition coil con.nactot. Short or opcn ignition coil wira. Frulty ignition coil
WIRE SIDE OF FEMAI,T TEBMINALS
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BRN/BLK
14-73

Electrical Troubleshooting
Troubleshooting Flowchart - Barometric Pressure (BARO) Sensor
t\l,
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. OBD ll Scan Tool lndicatos Code
P1794.. Self-diagnosis El indicator
light indicatos Code 13.
Check BAROS S Wire ContinuitY:1. Turn the ignition switch OFF.
2. Disconnect the 22P connedortrom the ECM.3. Check for continuity betweenthe 82 terminal ot the TCM
connector and C21 terminal of
the ECM connector.
PGsible cau3€
' Short ot oDen in LT GRN wite
betwoen the 82 lcrminal and
ihe ECM. Faulty baromotric PrelsureIBAROI ignsolNOTE: Tho BAFO sensor is
built into the ECM.
VqJ
WIRE SIDE OF FEMALE TERMINALS
Measure VREF Volttge:1. Turn the ignition switch OFF.
2. Disconnect the A (26P) and B(22 P) connectors from the
TCM.3. Turn the ignition switch ON {ll}.
4. Measure the voltage between
the 820 and 413 or 426 termi-
nals,
Repair shon or oPen in the wite
betwcon the 820 tsrminal and
tho EcM.ls there approx.5 V?
Repair open in the wiro betwoon
the TcM and ECM.ls there continuity?
To page 14-75
14-74
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