Page 743 of 2189
From page 14-64
Check Shift Control Sol.noid
v.lve A loi a Short Circuh:'1. Disconnect the 2P connector
from the shift control solenoid
valve assemblY.2. Check for continuity between
the 83 and Ag or A22 terminals.
Roprir shon to ground in th. wil.
b.tw€on th. B:t t.rmin.l rnd tho
ihift conLol aolonoid valvc A
Mea3ur. Shift Control Solonoid
v.lvo A Rgistance !t tho solendd
Connoc'tor:Measure the resistance between
the No. l terminalofth€ shift con_
trol solenoid connector and bodyground.
Chack to. open in th. rtir.
b.t^raan tha 8:l Lrtnlnll tnd tho
thift conlrol 3olanoid valva A.ls the resistance 12 - 25 O?
PCM CONNECTORS
Wire side o{ female terminals
SHIFT CONTROL SOLENOIDCONNECTOR
----!=--
FI-I1=r==--
alurvEL5f
II
Terminal side ol male terminals
14-65
Page 744 of 2189
Electrical Troubleshooting ('96 - g8 Modelsl
Troubleshooting Flowchart - Shift Control Solenoid Valve B
Possible Cause
' Disconnected shift controlsolenoid valve I connectol. Short or open in shift controlsolenoid valve B wire. Faulty shift control 30lenoidvalve B
PCM CONNECTORS
Wire side ot female terminals
. OBD ll Scan Tool indic.tes CodeP0758.. Solt-diagnosis E indicator lightblinks eight times.
Chock for a Short to Power:1. Turn the ignition swatch OFF.2. Disconnect the A (32P) and B(25P)connectors from the PCM.3. Turn the ignition switch ON (ll).4. Measure the voltage betweenthe 811 and Ag or A22 termi-nals,
Repair short to powar in the wirebotwcen the 811 torminal andthe shift control solenoid valve 8.
Measure Shift Cont.ol SolenoidValve B Resktance:1. Turn the ignition switch OFF.2, Meas u re the resistancebetween the Bll and A9 orA22 terminals.
Checl for loose PiCM connector3.lf nec€ssary, sub3titute a known-good solenoid v.lve assembly olPCM and recheck.
ls the resistance 12 - 25 O?
NOTE: Record allfreeze data before you troubleshoot,
A t32P)
To page 14 67
\
Page 745 of 2189
From page 14-66
Check Shift Conlrol Sol€noidvalve B tor a Short Circuit:1. Disconnect the 2P connectortrom the shift control solenoidvalve assembly.2. Check for continuity betweenthe 811 and Ag or A22 termi-nals,
Replir shon to ground in th€ wirebetwe.n the 811 terminal and the3hift control solenord valvo B.ls there continuity?
Measure Shift Control Solenoidvrlve B Resistance at the Sole-noid Connector:Measure the resistance betweenthe No.2 terminalofthe shift control solenoid connector and bodyground.
Check tor ooen in the wirebetw..n thc 81 1 t€tminal ard thashift control solonoid vrlv6 B.ls the resistance 12 25 O?
, 2 ll r . 5
PCM CONNECTORS
Wire side of female terminals
SHIFT CONTROL SOLENOID
CONNECTOR
GRN/WHT
Terminal side ol male terminals
14-67
Page 752 of 2189
Electrical Troubleshooting ('96 - 98 Models)
Troubleshooting Flowchart - Lock-up Control System
NOTE: Record all freeze data before vou troubleshoot.
Possible Cause
Faulty Lock-up cont.ol system
NOTE: Do not continue with this troublesnoonnoother DTCS have been corrected.until the causes of any
. OBD ll Sc6n Tool indicatG Codem7{0.. Self-diagnosis E indicator lightindicates Code 40.
Check tor Another Code:Check whether the OBD ll scantool or the E indicato, lightindicates another code.
Perform lhe Troublo3hooiingFlowchart tor the indicatedCode(s). Recheck for cod. P07il0lilol aftor iroubl€3hooting.
Does the OBD ll scan tool orthe E indicator light indicateanother code?
Tast Line Pressure:Measure the line pressure (seepage 14-119 and 14-120).
Repair tho hydreulic aystem a3necessary {3ee page 14-119).
Replace the Lock-up ControlSolenoid Valve Assembly andR6check;1. Beplace the lock up controlsolenoid valve Ay'B assembly(see page 14-105).2. Turn the ignitaon switch OFFand reset the PCM by removing the BACK UP (7.5 A) fusein the underhood fuse/relaybox for more than 10 seconds,3. Using the scan tool, check tobe sure that the engine coolant temperature is in 176'F(80'C) and above.4. Drive the vehicle at 55 mph(88 km/h) constantly for morethan one minute.5. Recheck for code P0740 (40).
Does the OBD ll scan toolindicate code P0740 {40)?The systom k OK at this time.
l'.
14-74
Page 753 of 2189
Troubleshooting Flowchart - Shift Control System
NOTE: Record all freeze data before vou troubleshoot.
Possible Cause
Faulty shift control system
. OBD ll Scan Tool indicates CodeP0730.. Sell-diagnosis E indicator
light indicates Code ill.
Check tor Another CoderCheck whether the OBD ll scantool or the E, indicator lightindicate another code.
Perlorm ths TroubleshoolingFlowch.rt for the indic.t.dCode(sl. Recheck tor code m730
l4'l I atter troubleshooting.
Does the oBD ll scan tool orthe E indicato'. tight indicate another code?
Test lst, 2nd, 3rd and 4th Clutch
Pressure:Measure the 1st, 2nd, 3rd and 4th
clutch pressure (see page 14119
thru 14-121).
Ropair the hydrlulic systom !snecessary {see page 14-1 19 and11-1211.
ls each clutch pressure within
the service limit?
Replace Shift Control Solenoidvalve Assembly, Linear SolenoidAssambly and Rechock:1. Replace the shift controlsolenoid valve A'/B assembly(see page 14-106).2. Replace the linear solenoidassembly lsee page 14 108).3. Turn the ignition switch OFFand reset the PCM memory byremoving the EACK UP (7.5 A)tuse in the under hood fuse/relay box for more than l0
seconds,4. Drive the vehicle at over 12mph (20 km/h) in 1st, 2nd,3rd
and 4th gear for more than 30seconds at P1 position.
5. Recheck tor code P0730 (41).
Does the OBD ll scan tool orthe Ed indicator tight indi
cate code P0730 {41)?
The swt6m is OK et this time.
NOTE: Do not continue with this troubleshooting until the causes ot any
other DTCS have been corrected.
Page 758 of 2189
Electrical Troubleshooting ('99 - 00 Models)
Troubleshooting Flowchart - Lock-up Control Solenoid Valve A
NOTE: Record all freeze data before vou troubleshoot.
Possible Cause
. Disconnocted lock-uD controlsolenoid valve A/B alsemblyconnector. Short or opon in lock-up conkolsolenoid valv6 A wire. Faulty lock-up control solenoidvalva A' Open in VB SOL wireFCM CONNECTORS
LGl IBRN/BLXI LG2 (BRN/BLK)
Wire side ot female terminals
LGl (BRN/BLKILG2 IBRN/8LK)
To page 1+81
a\
. OBD ll Scan Tool indic.t6 CodeP1753.. Self-diagnosis @ indicatorlight blink3 once.
Check lor a Short to Power:L Turn the ignition switch OFF.2. Disconnect the B (25P) and D(16P) connectors lrom thePCt\4.3. Turn the ignition switch ON (ll).4. Measure the voltage betweenthe Dl and 820 or 822 termi-nats.
Ropair short to powcr in the wirebstwoon tho Dl tolminal and thelock-up cor|lrol lolonoid valvo A.
Measu.e Lock-up Cont.ol Sole-noid V.lvo A R63btanc6:1. Turn the ignition switch OFF.2. Measure the resistancebetween the Dl and 820 or822 terminals.
ls the resistance 12 - 25 O?
Measure VB SOL Vohage:1. Turn the ignition switch ON (ll).2. Measure the voltage betweenthe D5 and 820 or 822 termi-nals.
Check for blown No. 15 17.5 Alfu3€ in the undordash fuse/rabybox. l{ th€ tusa ii OK, r.pair oponin the wira b€twoen th€ 05 torfti-nal and thc und€r{ash fuso/r€laybox.
Check to.loose tarminalfit in thePCM connecloa3. ll necessary,substilute a known-good PCMand rocheck.
B (25Pt ll D {16P1
B (2sPt ll D {16P1
I t25Pt D (16P1
l..
14-80
Page 759 of 2189
From page 14-80
Check lor continuity between the
820 terminal and body ground,
and between the B22 terminal
and body ground.
Ropair opon in thc wircs betwe6n
the 820 lnd 822 tolminals .ndground {G10ll, and tepair Poolground (G10'l).
Check Lock-up Cont.ol Solonoidvalve A for a Shon Cilcuit:1. Disconnect the 2P connectortrom the lock-up control sole-
noid valve ry'B assembly.
2. Check for continuity betlv€en
th6 D1 and 820 or 822 termi-
nals.
R6p.ir 3hort to glound in thc
wir. b.two.n the Dl torn|in.l
ard th. lock-up conttol iol.noid
valva A.
Maasuro Lock-up Control Sol.-
noid Vllve A Ro.istance at tho
Solanoid Conn6ctor:Measure the resistance between
the No. 2 terminal of the lock-up
control solenoid valve y'y'B assem-
bly connector and body ground.
R6placo tho lock-up control solo_
noid valve A/B.$6mblY.ls the resistance '12 - 25 O?
Chack for opon in tho wiro
botweon the Dl t..minal and tho
lock-up control solenoid Yalva A.
PCM CONNECTOR B {25P}
I.G1 (BRN/BLKI
Wire side of l6male terminals
PCM OONI{ECTORS
Wire side ot female terminals
LOCK.UP CO TROL SOTINOID VALVEA/B ASSEMBLY CON]TECTOR I2P}
]F]ALr-f-
I LC A {YEu
(o )Y
I
Terminal side of male terminals
B (25p) ll o l16P)
IBRN/BLK} LG2IBRN/BLK}
14-A1
Page 760 of 2189
Electrical Troubleshooting ('99 - 00 Models)
Troubleshooting Flowchart - Lock-up Control Solenoid Valve B
NOTE| Record allfreeze data before you troubleshoot.
Possibla Cause
. Oisconnected lock-uD controlsolenoid velve A/B assemblyconnector. Short or open in lock-up controlsolenoid valv€ B wire. Faulty lock-up control solenoidvalve B' Open in VB SOL wirercM CONNECTORS
To page 14-83
' OBD ll Scan Tool indic.tes CodeP1758.. Self-diagnosis E indicatorlight blinks twice.
Chack for a Short to Power:1. Turn the ignition switch OFF.2. Disconnect the I (25P) and D(16P) connectors from thePCM.3. lurn the ignition switch ON (ll).4. Measure the voltage betweenthe D3 and 820 ot 822 tetmi-nals,
Repair short to power in the wirebetween the D3 terminal and thelock-up contlol solenoid valve B.
Measure Lock-up Control Sole-noid Vdlve I R8i3tance:1. Turn the ignition switch OFF.2, Measure the resistancebetween the D3 and 820 or822 terminals.
ls the resistance 12 - 25 O?
Measure VB SOL Voltago:1. Turn the ignition switch ON lll).2. Measure the voltage betweenthe D5 and 820 or 822 termi-nals.
Check for blown No. 15 {7.5 Alfus€ in the under-dash luse/releybox. It the fuse is OK, repair openin the wir6 between th6 DS terminal and the under-dash fuse/rebyoox,
ls there battery voltage?
Chock for loose te.minal fit in thePCM connectors. It necessary,substitute a known-good PCMend recheck.
B t2sP) ll D t15P)
Wire side ol female terminals
I {2sPt ll D (16Pt
B (25P1 D t16Pt
\
14-82
