Electrical Troubleshooting ('98 - 00 Modelsl
Troubleshooting Flowchart - Mainshaft Speed Sensor
Porsible Cruse
. Disconnsct€d msinsh.ft 3pood 3gnlor conncctol. Short or open in mainshaft 3poed sensor wire. Faultv mainshrtt speed sonsot
NOTE: Codo P0715 (15) on the PCM doesn't always moan there's an electricalproblem in the mainshaft or countershaft speed sensor circuit; code P07'15 (15)may also indicate a mechanical problem in the transmission. Any problem caus-ing irregular countershaft to mainshaft spoed difference can cause this codo; thiscan sometimes be seen in A'/T Free2e Data. Freeze Data can also indicate an elec-trical problem in the sensor circuits ;f one of the sensors reads 0 mph during atest dnve.
MAINSHAFT SPEEDSENSOR CONNECTOR
Terminal side of male terminals
. OBD ll Scan Tool indicat$ Codem715.. S€lf-diagnosi3 E or @ indica-tor light indicatos Code 15.
lf the PGM Tester is available,retrieve the A/f Freeze Data, thenclear the PCM.
Test-drive the vehicle under thesame conditions the Freere Data
Intermittont tailuro. Tha sy3temb OK at this tims. Check thefit oftho pins in .ll connoctoB alt6ctedbv this code.
Did the code return?
Check the mainshaft and counter-shaft speed sensors installation,and check them for damage.
Are the mainshaft and counter-shaft speed sensors installedproperly, and not damaged?Reinstall or ropllce and rochock.
Moasure Mainshatt Spe€d SenrorR€sirtanco at ths S€nsol Connoc-tor:1. Disconnect the 2P connectorfrom the mainshaft speed sensor.2. Measure mainshatt speed sen-sor resrstance at the sensorconnefior.
ls the resistance 400 600 0?
To page 14-115
14-114
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Mai nshaft /Cou ntershaft
Linear Solenoid AssemblySpeed Sensors
Replacement
'1. Remove the mounting bolts and the linear solenoid
assemblY.
Clean the mounting surfaceand fluid passages.
6x1.0mm12 N.m (1.2 kg{.m.8.7 tbtftl
@
@
GASKET
Clean the mounting surface and fluid passage of the
linear solenoid assembly and transmission housing.
Install a new linear solenoid assemblv with a new
gasket. Do not pinch the gasket during installation,
and make sure it is installed properly in the mount-
ing groove of the linear solenoid.
Check the linear solenoid connector for rust. dirt, or
oil, then connect it securelv.
14-138
Replacement
1. Remove the 6 mm bolt and the countershaft sDeed
sensor from the end cover.
\
5x1.0mm12 N.m 11.2 kgf.m, COUNTERSHAFT8.7 rbf.frl SPEED SENSOR
O.RINGReplace.
12 N'm 11.2 kgl.m,8.7 tbf.ftl
Remove the 6 mm bolt and the mainshaft speed
sensor from the transmission housing.
Replace the O-ring with a new one before installing
the countershaft speed sensor or the mainshaft speed
sensor,
6x1.0mm
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Symptom-to-Component Chart
Hydraulic System (cont'd)
SYMPTOMCheck these items on thePROBABLE CAUSE ListCheck these items onthe NOTES Lisr
Shift lever does not operate smoothly.o, JdPFails to shift; stuck in 4th gear.14, 41 , 48
Transmission will not shift into park in E position.6, 38, 61PStall rpm high; all clutch pressures are in specification.40D,K,OLock-up clutch does not disengage.18, 43, 44, 45, 46, 49,50,57
Lock-up clutch does not operate smoothly.14, 40, 43, 44, 45, 46, 49, 50. 57Lock-up clutch does not engage.'t8, 40, 43, 44, 45, 46, 49, 50, 56, 57Vibration in all positions.
No engine braking in I position.59
Shift position indicator does not indicate anv position,6. 38, 60
PROBABLE CAUSE
I 33 Thrust washer worn/damaged
ATF pump worn or binding34Clutch clearance incorrect
Regulator valve stuck or regulator valvespflng wornDrive plate delective or transmission mtsas-sembled
Servo valve stuck5ttTorque converter housing or transmissionhousing bearing worn/damagedMainshaft worn/damaged
Shift cable broken/out of adjustmentATF strainer clogged
7Final gears worn/damaged38Shift cable is worn where it attaches to thetransmission or at the body mountsIOne-way (sprag) clutch worn/damaged
1st gears worn/damaged {2 gears)39Modulator valve stuck10lst clutch defective40Torque converter check valve stuck112nd gears worn/damaged (2 gears)41Foreign material in separator plate't22nd clutch defectiveCPB valve stuck
t53rd clutch defective43Lock-up timing valve stuck144th clutch defective44Lock-up shift valve stucktcReverse gears worn/damaged (3 gears)Lock-up control valve stuck16Excessive ATF46Lock-up clutch Diston defective17Torque converter one-way clutch defective47Shift control solenoid valve A defecttve
18Linear solenoid assemblv defective (,98 - OOmodels)48Shift control solenoid valve B dsfectrve
49Lock-up control solenoid valve A defective'19CPC valve stuckLock-up control solenoid valve B deleqtve20l-2 shift valve stuck51Servo control valve stuck212-3 shift valve stuck52lst accumulator defective3-4 shift valve stuck53Foreign material in 2nd exhaust orifice2nd accumulator defective54Foreign material in 3rd exhaust orifice3rd accumulator defectiveForeign material in 4th exhaust orifice4th accumulator defective56Mainshaft speed sensor defective262nd orifice control valve stuckCountershaft speed sensor defective273-4 orifice control valve stuck583rd sub accumulator defective2aForeign material in main orifice59lst-hold clutch defective29Foreign material in lst orifice60A/T gear position switch defective or out ofadjustment30Foreign material in reverse orifice
31Engine output low61Park gear mechanism defective32Needle bearing worn/damaged
14-154
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O END COVER
O olL SEAL Replace.
O BALL BEARING
@ A/T GEAR PoSITIoN swITcH coVER
€) A/T GEAn PosrloN swrrcH
@ ROLLER
O coLLARG) o-RING Replace.{9) FEED PIPE FLANGE
@ O-RING Replace.
O SNAP RING
@ 3RD CLUTCH FEED PIPE(D CoUNTERSHAFT LOCKNUT 23 x 1.25 mm Replace.(} coNtcAL SPR|NG WASHER Reptace.
@ PARK GEAR@ ONE.WAY CLUTCH(, COUNTENSHAFT lST GEAR(D NEEOLE BEARING(O COUNTERSHAFT lST GEAR COLLAR
@ o-RING Reptace.
@ lST CLUTCH FEED PIPE
@ O-RING Reptace.
@} FEEO PIPE FLANGE
@ SNAP RING
@ DOWEL PIN
@ END coVER GASKET Feplace.
@ PARK PAWL SToP@ PARK PAWL
@ PARK PAWL SPRING
@ PARK PAWL SHAFT
O} A/T GEAR POSITION SWITCH HARNESS CLAMP
@ PARK LEVER
@ LOCK WASHER Replace.
@ PARK STOP Selective part
@ PARK LEVER SPRING@ DRAIN PLUG
O SEALING WASHER Reptace.
@) MAINSHAFT LOCKNUT2l x 1.25 mm Replace.@ CONICAL SPRING WASHER Replace.@ lST CLUTCH ASSEMBLY
TOROUE SPECIFICATIONS
i!, O-RING Replace.
@ THRUST WASHER
@ THRUST NEEDLE BEARING@ NEEDLE BEARING
@ MAINSHAFI 1ST GEAR@ MAINSHAFT 1sT GEAR coLLAR
@ o-RING Replace.
6!, COUNTERSHAFT SPEED SENSOR@ ROLLER
@) COLLAR@ o-RtNG Replace.
6A FEEo PIPE FLANGE
@ o-RtNG Reptace.
@ SNAP R|NG
@ IST.HOLD cLUTcH FEED PIPE@ SUB-SHAFT LOCKNUT 19 x 1,25 mm Reptace.O coNtCAL SPR|NG WASHER Reptace.E! SUB.SHAFT lST GEAR€} LINEAR SOLENOID ASSEMBLY
@ LTNEAR soLENotD aSSEMBLy GASKET Reptace.
@ HARNESS BBACKET
@ SEALING WASHERS Feptace.
@ ATF COOLER LINE
@ LIN€ BoLT
@ ATF DIPSTICK
@ ATF COOLER LINE
@ LINE BoLT@ SEALING WASHERS Reptace.@ VEHICLE SPEED sENsoR (vss)
@ o-RtNG Beptace.
Bolt/Nut No.Torque ValuoSizeRemarks
6B
8A
12J
18D
19S
21M
23C
'12 N'm ('1.2 kgf.m,8.7 lbf.ft)
14 N.m (1.4 kgf.m, 10lb{.ft}
22 N.m 12.2 kgf.m, 16 lbf.ft)
28 N'm (2.9 kgf.m,21 lbf.ft)
49 N.m (5.0 kgf.m,36 lbf'ft)
93 N'm {9,5 ksim.69 lbf.ft)
78 N.m {8.0 kgnm,58 lbf.ft)
103* 0- 103 N{n {10.5* 0+ 10.5 kgfn,
75.9-0-75.9 lbf{t)
6x 1.0 mm
6x1.0mm
8 x 1.25 mm
12 x 1.25 mm
18 x 1.5 mm
19 x 1.25 mm
21 x 1.25 mm
23 x 1.25 mm
Line bolt
Drain plug
Sub-shaft locknut
Mainshaft locknut: Left-hand threads
Countershaft locknut: Left-hand
threads
14-175
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r] REVERSE IDLER GEAR SHAFT/HOLDER'A N€EDLE BEARING
..] TRANSMISSION HOUSING
al TRANSMISSION HOUSING OIL SEAL Replace.g SET BING.80 mm Selecrive part
O REVERSE GEAR COLLABE couNTERSHAFT REVERSE GEAB
.9,] NEEDLE BEARINGi9 LOCK WASHER Replace..1!i REVERSE SHIFT FORKO REVERSE SELECToRiJ. REVERSE SELECTOR HUBii' COUNTERSHAFT 4TH GEAR.14 NEEDLE BEARINGiD D|STANCE coLLAR,28 mm Selective part(i3 COUNTERSHAFT 2NO GEABi7-] THRUST NEEDLE BEARING(10 COUNTERSHAFT 3RD GEAR(9 NEEDLE BEARINGE9 COUNTERSHAFI3RD GEAB COLLAR.li THRUST NEEDLE BEARING.?) SPLINEO WASHER,,O 3RD CLUTCH ASSEMBLY
€1 O-RING Beplace.i23 COUNTERSHAFT
4i SHIFT CONTROL SOLENOID COVER
?Z] HARNESS CLAMP BRACKET
?9] SHIFT CONTROL SOLENOID VALVE A/B ASSEMBLY
8 HARNESS CLAMP BRACKET
GI SHIFT CONTROL SOLENOID VALVE FILTER/GASKET
(4 MAINSHAFT 2ND GEARi49 NEEDLE BEARING
@ THRUST NEEDLE BEARING(49 MAINSHAFT
@r SEAL|NG R|NG,35 mm
O SEALING RING,29 mm
@ NEEDLE BEARING
.49 SET RING
€) lST.HOLD CLUTCH ASSEMBLY
O o-RING Replace.6E THRUST WASHER
€9 THRUST NEEDLE BEARING
6' NEEDLE EEARING
€ir SUB-SHAFT 4TH GEAR
6 THRUST NEEDLE BEARING
@ SUB.SHAFT 4TH GEAR COLLAR@ sUB-sHAFf
6I NEEDI-E B€ARING STOP
@ NEEDLE BEARING(6t ATF GUIDE CAP Replace.(64 TRANSMISSION HANGEB
@ BREATHER CAP
i@ MAINSHAFT SPEED SENSOR
6i O-RING Replace.
6D REVERSE IDLER GEAR
@r DOWEL PlN, 14 x 25 mm.6d SNAP RINGS
QlI SUB.SHAFT TRANSMISSION HOUSING BEARING
E) MAINSHAFT TRANSMISSION HOUSING BEABING.2, COUNTERSHAFI TRANSMISSION HOUSINGBEARING
@[E
t,n9t0@)@),lD
04
@
@@: .ro)
ai
Replace-SNAP RINGTHRUST WASHEBTHRUST NEEDLE BEARINGMAINSHAFT 4TH GEARNEEDLE BEARINGSTHRUST NEEDLE BEARINGMAINSHAFT 4TH GEAB COLLAR2NO/4TH CLUTCH ASSEMBLYO-RING Replace.THRUST WASHER,36.5 x 55 mm Selective partTHRUST NEEOLE BEARING
DOWEL PlN, 14 x 25 mmCONNECTOR BRACKETATF MAGNETDOWEL PlN, 14 x 20 mmTRANSMISSION HOUSING GASKET Replace.DIFFERENTIAL ASSEMBLYDOWEL PlN, 10 x 12 mmO-RING Replace.TRANSFER ASSEMBLYTOROUE CONVERTER HOUSING OIL SEAL Replace.TOROUE CONVERTER HOUSING
TOROUE SPECIFICATIONS
Bolt/Nut No.Torque ValueSizeRgmarks
6A
6B
10A
12 N.m (1.2 kgf.m,8.7 lbf.ft)
14 N.m (1.4 kgf.m, 10 lbift)
44 N.m (4.5 kgf.m,33 lbf.ft)
6x 1.0 mm
6x 1.0 mm
10 x 1.25 mm
14-177
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O END COVERiLl OIL SEAL Beplace.
O BALL BEARINGi.) A/T GEAR POSITION SWITCH COVER
i5] A/T GEAR POSITION SWITCH
aq) RoLLER
? COLLABi0 o-BtNG Replace.
€) FEED PIPE FLANGE
f,o) o-RING Replace.
1' SNAP RING
1A 3RD CLUTCH FEED PIPE
O COUNTERSHAFT LOCKNUT 23 x 1.25 mm Replace.
[} coNtcal SPRING WASHER Replace.iO PARK GEAR(!I ONE.WAY CLUTCH
E COUNTERSHAFT lST GEAR
@ NEEDLE BEARING
@ COUNTERSHAFT 1ST GEAR COLLAR
Or o-RtNGS Reptace.
?] lST CLUTCH FEED PIPE
@ o-RING Replace.
e3 FEED PIPE FLANGE
4I SNAP RING
€i DOWEL PINi?0 END COVER GASKET Replace.
?7) PARK PAWL STOP
E9 PARK PAWL
C9 PARK PAWL SPRING
€D PARK PAWL SHAFT
OI A/T GEAR POSITION SWITCH HARNESS CIAMP
@ PARK LEVER
€3 LoCK WASHER Replace.
04 PARK sToP Selective part(!' PARK LEVER SPRING
@ DRAIN PLUG
Ot SEALING WASHER Replace.
60 MA|NSHAFT LocKNuT 21 x 1.25 mm Replace.(9 CONICAL SPRING WASHER Replace.
@ lST CLUTCH ASSEMBLY
TOROUE SPECIFICATIONS
,!4! O-RING Replace.
@I THRUST WASHER@ THRUST NEEDLE BEARINGi.!' NEEDLE BEARINGi MAINSHAFT lST GEAR
@i MAINSHAFT 1ST GEAR COLLAR!r, O-RING Replace.iO COUNTERSHAFT SPEED SENSOR
E ROLLER
@, coLLAR
Ct o-RING Replace.5.] FEED PIPE FLANGE
09 o-RING Replace.
6A SNAP RING
5' IST.HOLD CLUTCH FEED PIPE
@-] SUB-SHAFT LOCKNUT 19 x 1.25 mm Replace.
!t CONICAL SPRING WASHER Replace.
6i' SUB-SHAFT lST GEAR
G) LINEAR SOLENOID ASSEMBLY(6!) LINEAR SOLENOID ASSEMBLY GASKET Replace
G] HARNESS BRACKET
6a SEALING WASHERS Replace.
C' ATF COOLER LINE
@ L|NE BoLT
GI ATF DIPSTICK
GI ATF COOLER LINE
O LINE BOLT
@ SEALING wasHERs Replace.aoo VEHICI.E SPEED SENSOR IVSS)
f,E O-RING Replace.
Bolt/Nut No.Torque ValueSizeRemarks
6A
6B
8A
12J'18D
195
21M
12 N.m (1.2 kgf.m,8.7 lbf.ft)
14 N.m (1.4 kgf.m, 10lbf.ft)
22 N.m 12.2 kgim, 16lbf.ft)
28 N.m (2.9 kgim,21 lbf.ft)
49 N'm (5.0 kgim,36 lbf.ft)
93 N.m (9.5 kgf.m,69 lbf.ft)
78 N.m (8.0 kgf.m,58 lbf.ft)
103+ 0+ 103 N{n (10.5 + 0+ 10.5 kSfm,
75.9' 0 - 75.9 lbfft)
6x1.0mm
6x1.0mm
8 x 1.25 mm
12 x 1 .25 mm
18 x 1.5 mm
19 x 1.25 mm
21 x 1.25 mm
23 x 1.25 mm
Line bolt
Drain plug
Sub-shaft locknut
Mainshaft locknut: Left-hand threads
Countershaft locknut: Left-hand
threads
14-181
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oatl,6
@!.,
ao6l
@o@@@@@o@@@)@@@@@@@@@@)
@@@@)@@@@@@@
REVERSE IDLER GEAR SHAFT,/HOLDERNEEOLE BEARINGTRANSMISSION HOUSINGTRANSMISSION HOUSING OIL SEAL R€place.SET RING,80 mm Selective part
REVERSE GEAR COLLARCOUNTERSHAFT REVERSE GEARNEEDLE BEARINGLOCK WASHER Replace.REVERSE SHIFT FORKREVERSE SELECTORREVERSE SELECTOR HUBCOUNTERSHAFT 4TH GEARNEEDLE BEARINGDISTANCE COLLAR,28 mm Selective pan
COUNTERSIIAFT 2ND GEARTHRUST NEEDLE BEARINGCOUNTERSHAFT 3RD GEARNEEDLE AEARINGCOUNTERSHAFT 3RD GEAR COLLARTHRUST NEEOLE BEARINGSPLINEO WASHER3RD CLUTCH ASSEMBLYO-RINGS Replace.COUNTERSHAFTSHIFT CONTROL SOLENOID COVERHARNESS CLAMP BRACKETSHIFT CONTROL SOLENOID VALVE A/B ASSEMBLYHARNESS CLAMP BRACKETSHIFT CONTROL SOLENOID VALVE FILTER/GASKETReplace.SNAP RINGTHRUST WASHERTHRUST NEEDLE BEARINGMAINSHAF ,ITH GEARNEEDLE BEARINGSTHRUST NEEDLE BEARINGMAINSHAFT 4TH GEAR COLLAR2ND/4TH CLUTCH ASSEMBLYO-RINGS ReDlace.THRUST WASHER,36.5 x 55 mm Selective part
THRUST NEEDLE BEARING
MAINSHAFT 2ND GEARNEEDLE BEARINGTHRUST NEEOLE BEARINGMAINSHAFTSEALING RINGS,35 mmSEALING RING. 29 mmNEEDLE BEARINGSET RINGlST-HOLD CLUTCH ASSEMSLYO-RINGS Replace.THRUST WASHERTHRUST NEEDLE BEARINGNEEDLE BEARINGSUB.SHAFT 4TH GEARTHRUST NEEDLE BEARINGSU&SHAFT,ITH GEAR COLLARSUB.SHAFTNEEDLE BEARING STOPNEEDLE BEARINGATF GUIDE CAP Replace.TRANSMISSION HANGERBREATHER CAPMAINSHAFT SPEED SENSORO-RING Reolace.REVERSE IDI.fR GEARDOWEL PlN, lil x 25 mmSNAP RINGSSU&SHAFT TRANSMISSION HOUSING AEARINGMAINSHAFT TRANSMISSION HOUSING BEARINGCOUNTERSHAFT TNANSMISSION HOUSINGBEABINGDOWEL PlN, 14 x 25 mrnCONNECTOR BRACKETDOWEL PlN, 14 x 20 mmTRANSMISSION HOUSING GASKET Replace.DIFFERENTIAL ASSEMBLYTOROUE OONVERTER HOUSING OIL SEAL Replace.TOROUE CONVERTER HOUSING
@@@@@@@@@@@@@@@@@@@@@@@)@@@@@@@
@@@@@@@
TOROUE SPECIFICATIONS
Boli/Nut No.Torque ValueSizeRemarks
6B
10A
12 N.m (1.2 kgf.m,8.7 lbf.ft)'14 N.m (1.4 kgim, 10 lbf'ft)
44 N.m (4.5 kgim, 33 lbf.ft)
6x 1.0 mm
6x1.0mm
10 x '1.25 mm
14-1A3
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1.Remove the transfer assembly from the torque con-
verter housing. (4WD)
Remove the mainshaft speed sensor from the trans-
mission housing.
Remove the transmission housing mounting bolts,
transmission hanger, and connector bracket.
Align the spring pin on the control shaft with the
transmission housing groove by turning the control
shaft.
Install the special tool over the mainshaft. then
remove the transmission housing as shown.
4.
SPRING PIN
7.
Remove the countershaft reverse gear collar, needle
bearing, and countershaft revsrse gear from the
countershaft,
Remove the lock bolt securing tho reverse shift fork,
then remove the reverse shift fork and reverse
selector together.
Remove the countershaft sub-assemblv and main-
shaft sub-assembly together,
9. Remove the differential assembly.
8.
14-189
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