From page 14 82
Replace the Lock-up ControlSolenoid Valve Assembly andRecheck:1. Replace the lock-up controlsolenoid valve A/B assembly(see page 14-'135).2. Turn the ignition switch OFFand reset the PCM by remov-ing the BACK uP (7.5 A) fusein the under-hood fuse/relaybox for more than 10 seconds.3. lJsing the scan tool, check tobe sure that the engine coolanttemperature is 176"F 180'C) orabove,4. Drive the vehicle at 55 mph(88 km/h) constantly for moretnan one mrnute.5. Recheck for code P0740 (40).
Does the OBD ll scan tool indicatecode PO74O or doesthe El indicator light indicate code 40?The svstem is OK ai this time.
Replace the Linear Sol€noidA$embly and Recheck:'1. Beplace the linear solenoidassembly {see page 14-138).2. Turn the ignition switch OFFand reset the PCM memory byremoving the BACK UP (7.5 A)fuse in the underhood fuse/relay box for more than 10seconds.3. Using the scan tool, check tobe sure that the engine coolanttemperature is 176"F (80'C) orabove.4. Drive the vehicle at 55 mph (88
km/h) constantly for more thanone minute,5. Recheck for code P0740 {40).
Does the OBD ll scan toolindicate code P0740 or doesthe E indicator light indicate code 40?
The svsteo is OK at this tim€.
Replace the transmission andtorque convertor assembly.
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Electrical Troubleshooting ('98 - 00 Models)
Troubleshooting Flowchart - Lock-up Control System (cont'd)
From page 14-119
Replace the Lock-up ControlSolenoid Valve A/B Assomblyand Recheck:1. Replace the lock-up controlsolenoid valve A,/B assembly(see page 14-!35).2. Turn the ignition switch OFFand reset the PCM memory byremoving the BACK UP (7.5 A)fuse in the undeFdash fuse/relay box for more than 10seconds.3. Using the scan tool, check tobe sure that the engine coolanttemperature is 176"F {80'C) orabove.4. Drive the vehicle at 55 mph(88 km/h) constantly tor morethan one minute.5. Recheck {or code P0740 (40i.
Does the OBD ll scan tool indicatecode P0740 or does the [9i] or Eindicator light indicate code 40?The system is OK at this time.
14-120
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8. Set the control shaft to E] position. then install the
A,/T gear position switch on it.
CONTROL SHAFT
Install the Ay'T gear position switch cover and har-
ness clamp on the end cover.
Connect the A,/T gear position switch connector.
then install it on the connector bracket.
Turn the ignition switch ON (ll). Move the shift lever
through all gears, and check the AfI gesr position
switch synchronization with the A/T gear position
indicator.
9.
10.
11.
A/TGEARPOSMON A/T GEAR POSITIONINDICATOR INDICATOR'99 - 00 MODELS ' 97 - 98 MOOELS
12, Start the engine. Move the shift lever through all
gears. and verify the following:
. The shift lever cannot be moved to E] position
from E position unless the shift lever is pulled.
. The engine will not start in any position other
than E or E.. The back-up lights come on when the shift lever
is in El position.
14-141
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Symptom-to-Component Chart
Hydraulic System
Before troubleshooting a problem on Hydraulic system, check the self-diagnosis Dl ('97 - 98) or Lq ('99 - 00) indicator
light indication. lf the El or E indicator light indicates a trouble code, perform the electrical troubleshooting according to
the Electrical System-to-Component Chart. lf the Ol or E indicator light does not indicate a trouble code and failure is not
found on the electrical troubleshooting, perform the hydraulic troubleshooting following the chart.
SYMPTOMCheck these items on the
PROBABLE CAUSE List
Check these items on
the NOTES List
Engine runs, but vehicle does not move in any gear.1r2FAt?82?K,L.R,S
Vehicle moves in El. @, but not in lE. E, E, or E, position6, 8, 9, 10, 29, 52c,M,o
Vehicle moves in [D!. E, E. E, E, but not in E] position.al
Vehicle moves in .&1, E. E, E, E, but not in E position4,6, 14, 15c,L.o
Vehicle moves in E position.10 , 12, 13, ' l4, '16, 2A, 32, 33, 34
Excessive idle vibration1,2, 18,3'1,35, 44, 46, 41B,K,L
Poor acceleration; flares on starting off in E, Di position
or E position
Stall rpm hish in El, El, E, E, E Position
Stall rpm hiqh in E, E, E, E position
1,2,3,6,37, 40K,L,R
6, 8, 10C,D
Stall rpm high in E positionc,D
Stall rpm high in hl position14N
Stall rpm low17,31, 44, 46, 47R
No shift18, 19, 39, 47, 48G,L
Fails to shift in Pr, E position or E position; from 1st to
3rd gear
21, 48
Fails to shift in EJ, E position or E position; from 1st to
4th gear
21,22, 47
Erratic upshifting
fz upshlft. ,3 ripshlft, 3r. up+ilft57
ffi20, 47
il21, 4A
3-4 upshift22, 47
Harsh upshift ('l-2)12, 18, 19,2A,49, 50, 56, 57
Harsh upshift (2-3)13, 1A, 19,23,26,28, 49, 50, 56, 57C,D.E,H,L
Harsh upshift {3-4)14,1A, 19,24,27,28, 49, 50, 56. 57C, D, E, I,L
Harsh downshitt (2-1)18, 19,23, 42,53,56,51o
Harsh downshift (3-2)12, 18,19,24,41,42, 54. 56, 57, 58
Harsh downshift (4-3)13,'1A, 19, 25, 41, 42, 55, 56, 57C, D, E, I
Flares on 2-3 upshift13,1A,19,23,26,50FI
Flares on 3-4 upshift14, 1A, 19,24,27,50E,L,N
Excessive shock on 2-3 upshift13. '18, 19 , 23, 26, 42, 49 , 50, 51E.L.N
Excessive shock on 3-4 upshift14, 1A, 19,24,27 , 42, 49,50,51E,L,N
Late shift from N position to ld or Erl position. or to E
position
10, 29M
Late shift from E position to E position4, 14,20,51o
Noise from transmission in all shift lever positions2,36K,L.O
Vehicle does not accelerate more than 3l mph (50 km/h).11
(cont'd)
14-153
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znd, 3rd, and ,lth Clutch Pressurs Measuremenl'97 - 98 Modols:
1. Stan the engine, and shift to E position.
2. Run the engine at 2,000 rpm, then measure 2nd
clutch pressure.
3. Shift to E position, and hold the engine at 2'000
rpm, then measure 3rd clutch pressure.
4. Shift to E position, and hold the engine at 2,000
rpm, then measure 4th clutch pressure.
5. Shift to @ position, and hold the engine at 2,000
rpm, then measure 4th clutch pressure.
4TH CLUTCH PRESSUREINSPECTION HOLE
'99 - 00 Models:
1. Start the engine, and shift to El position.
2. Run the engine at 2,000 rpm. then measure 2nd
clutch pressure.
3. Shift to E position, and turn the Over-Drive (O/D)
OFF by pressing the O/D switch (O/O OFF indicator
light comes on).
4. Hold the engine at 2,000 rpm, then measure 3rd
clutch Pressure.
5. Turn the Over-Drive ON by pressing the O/D switch
(O/D OFF indicator light goes out), and hold the
engine at 2,000 rpm, then measure 4th clutch pres-
sure.
6. Shift to E position, and hold the engine at 2,000
rpm, then measure 4th clutch prgssure
2ND CLUTCH PRESSUREINSPECTION HOLE
3RD CLUTCH PRESSUREINSPECTION HOLE
'"r.,-ur"" "..#
- -t"1' -.
INSPECTION HOLE
PRESSURESHIFT LEVER
POSmONSYMPTOMPROBABLE CAUSE
FLUID PRESSURE
StandardServico Limit
2nd ClutchtrNo or low 2nd
pres$ure
2nd Clutch800 - 850 kPa
\A.2 - 8.1 kgtlcm2,'120 - '124 psil
760 kPa
(7.7 kgf/cm' , 110 psi)
3rd ClutchE (97 - s8)
Elwith Over-
Drive is OFF(99 - 00)
No or low 3rd
pressure
3rd clutch
4th clutchE (97 ,98)
E (99 - oo)
No or low 4th
pressure
4th Clutch
EServo Valve or 4th
Clutch
14-163
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Brake Pedal
Pedal Hoight
1. Disconnect the brake switch connector, loosen the
brake switch locknut, and back off the brake switch
until it is no longer touching the brake pedal.
2. Lift up the carpet, At the insulator cutout, measure
the pedal height from the middle of the right side of
the oedal pad.
BRAKE SWITCH
ERAKE SWITCH
Standard Pedal Height (with floor m8i removed):
A/T: 161 mm (5 5/16 in)
M/T: 155 mm {6 U8 in}
Loosen the pushrod locknut, and screw the pushrod
in or out with pliers until the standard pedal height
from the floor is reached. Do not adjust the pedal
height with the pushrod pressed. After adiustment,
tighten the locknut firmly.
PUSHROD LOCKNUT
15 N.m11.5 kgj m, 11 lbf ftl
4. Screw in the brake switch until its plunger is fully
pressed (threaded end touching the pad on the
pedal arm), Then back otf the switch 1/4 turn to
make 0.3 mm (0.01 in) of clearance between the
threaded end and pad. Tighten the locknut firmly.
Connect the brake switch connecto.. Make sure that
the brake lights 90 off when the pedal is released
5. Checkthe brake pedalfree play as described below
Pedal Free Play
1. With the engine off. inspect the free play on the
pedal pad by pushing the pedal by hand-
Free Play: 1 - 5 mm (1/16 - 3/16 in)
2. lf the pedal free play is out of specification, adiust
the brake switch. lf the pedal free play is insuffi-
cient, it may result in brake drag.
swtTcH
PEOAL PAD
PEDAL FREE PLAY
19-5
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6.
7.
8.
lf the clearance between the gauge body and
adjusting nut is 0.4 mm (0.02 in), the pushrod-to-
piston clearance is 0 mm. However. if the clearance
between the gauge body and adjusting nut is 0 mm,
the pushrod-to-piston clearance is 0.4 mm (0.02 in)
or more. Therefore it must be adjusted and
recheck€d.
lf clearance is incorrect, loosen the star locknut, and
turn the adjuster in or out to adjust.
. Adjust the clearance while the specified vacuum
is applied to the booster.
. Hold the clevis while adjusting.
Tighten the star locknut securely.
Remove the special tool.
0 - 0.4 mm (0 - 0.02 inl
Adjust the pushrod length as shown if the
is removed,
booster
11610.5 mm{4.6 t 0.02 inl
PUSHRODLOCKNUT1.5N.m 11.5 kgf.m. '11 lbtfl)
Install the master cylinder (see page 19-13).
9.
STAR LOCKNUT22 N.m12.2 kgt m. 16 lbtftl
10.
(Check valve is built-in)
Brake Booster Inspection
FunctionalTest
1. With the engine stopped, press the brake pedal sev-
eral times to deplete the vacuum reservoir. thenpress the pedal hard, and hold it for 15 seconds. lf
the pedal sinks, either the master cylinder is
bypassing internally, or the brake system (master
cylinder, lines, modulator, proportioning valve. or
caliper) is leaking.
2. Start the engine with the pedal pressed. lf the pedal
sinks slightly. the vacuum booster is operating nor-
mally. lf the pedal height does not vary, the booster
or check valve is faultv.
3. With the engine running, press the brake pedal light-
ly. Apply just enough pressure to hold back auto-
matic transmission creep. lf the brake pedal sinks
more than 10 mm (3/8 in.) in three minutes, the mas-
ter cylinder is faulty. A slight change in pedal height
when the Ay'C compressor cycles on and off is nor-
mal. (The Ay'C compressor load changes the vacuum
available to the booster.)
Leak Test
1.Press the brake pedal with the engine running, then
stop the engine. lf the pedal height does not vary
while pressed for 30 seconds, the vacuum booster is
OK. lf the pedal rises, the booster is faulty.
With the engine stopped, press the brake pedal sev-
eral times using normal pressure. When the pedal is
first pressed. it should be low, On consecutive appli-
cations, the pedal height should gradually rise. lf thepedal position does not vary. check the booster
check valve.
Boostor Chock Valve Test
1. Disconnect the brake booster vacuum hose at the
booster.
2. Start the engine, and let it idle. There should be vac-
uum. lf no vacuum is available, the check valve is
not working properly. Replace the brake booster
vacuum hose and check valve. and retest.
ERAKE BOOSTERVACUUM HOSE
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A/G System Service
Performance Test
The performance test will helD determine if the air con-
ditioner system is operating within specifications.
Use only service equipment that is U.L.-listed and is cer-
tified to meet the requirements of SAE J2210 to remove
HFC-134a (R-134a) from the air conditioner svstem.
CAUTION: Exposure to air condiiioner r€trigerant and
lubricant vapor or mist can irritate €yes, nose and
throat. Avoid bre8thing the air conditioner retrige.ant
and lubricant vapor or mist,
lf accidental system discharge occurs. ventilate work
area before resuming service.
R-134a service equipment o. vehicle air conditioner sys-
tems should not be pressure tested or leak tested with
comDressed air.
@ some mixtur€s ol air and R-134a have becn
shown to be combuslible at olsvated pressures and can
result in lire or explosion causing iniury or property
damage. Never use compressed air to prgssure test R-
13i[a service equipment or vehicle air conditioner sys.
tems.
Additional health and safety information may be obtained
from the refrigerant and lubricant manufacturers.
Recovory/Recycling/charging station
LOW.PRESSURESIDE
1.Connect a R-134a refrigerant recover/recycling/
charging station to the vehicle, as shown. following
the equipment manufacturer's instructions,
Insen a thermometer in the center air vent. Determine
the relative humidity and air temperature.
Test conditions:
. Avoid direct sunlight.
o Open hood.
. open front doors.
. Set the temperature control dial on MAX COOL,
the mode control dial on VENT and the reci.cula-
tion control switch on RECIRCULATE.
. Turn the A,/C switch on and the fan switch on
MAX.
. Run the engine at 1,500 rpm.
. No driver or passengers in vehicle
After running the air conditioning for 10 minutes
under the above test conditions, read the deliverv
temperature from the thermometer in the dash vent
and the high and low system pressure from the Ay'Cgauges.
2.
22-56
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