
13. A/T Does Not Shift: D2®D3
SYMPTOM:
A/T does not shift from D2to D3at the specified speed.
Are 10. Vehicle Does Not Creep Forward
In ªDº, ª2º Or ª1º Position and 11. Vehicle
Cannot Be Started From D
1OK?
Ye s
ENo
Go to 10. Vehicle Does
Not Creep Forward In ªDº,
ª2º Or ª1º Position and 11.
Vehicle Cannot Be Started
From D
1, AT-106, AT-107.
Does ªECU INPUT SIGNALSº in
Data Monitor show damage to park/
neutral position switch circuit?
---------------------------------------------------------------------------------------------------------------------- -OR -----------------------------------------------------------------------------------------------------------------------
Does self-diagnosis show damage to
park/neutral position switch circuit?
No
EYe s
Check park/neutral position
switch. Refer to AT-97.
Check throttle (accelerator) position sen-
sor. Refer to EC section [TROUBLE
DIAGNOSIS FOR ªTHROTTLE (ACCEL)
POSI SENº].
OK
ENGRepair or replace throttle
(accelerator) position sen-
sor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
ENG 1. Remove control valve
assembly. Refer to
AT-118.
2. Check the following items:
I Shift valve B
I Shift solenoid valve B
I Pilot valve
I Pilot filter
3. Disassemble A/T.
4. Check the following items:
I Servo piston assembly
I High clutch assembly
I Oil pump assembly
1. Remove control valve assembly. Refer
to AT-118.
2. Check the following items:
I Shift valve B
I Shift solenoid valve B
I Pilot valve
I Pilot filter
OK
OK
F
Check again.
OK
ENG1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT146BA
NAT262
SAT171B
H
H
H
H
HH
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-109
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14. A/T Does Not Shift: D3®D4
SYMPTOM:
I A/T does not shift from D3to D4at the specified speed.
I A/T must be warm before D
3to D4shift will occur.
Are 10. Vehicle Does Not Creep Forward
In ªDº, ª2º Or ª1º Position and 11. Vehicle
Cannot Be Started From D
1OK?
Ye s
ENo
Go to 10. Vehicle Does
Not Creep Forward In ªDº,
ª2º Or ª1º Position and 11.
Vehicle Cannot Be Started
From D
1, AT-106, AT-107.
Does self-diagnosis, after cruise test,
show damage to any of the following
circuits?
IPark/neutral position switch
I Overdrive control switch
I A/T fluid temperature sensor
I Vehicle speed sensor×A/T (Revolu-
tion sensor)
I Shift solenoid valve A or B
I Vehicle speed sensor×MTR
No
EYe s
Check damaged circuit.
Refer to AT-52, AT-56,
AT-65, AT-68 or AT-93.
Check throttle (accelerator) position sen-
sor. Refer to EC section [TROUBLE
DIAGNOSIS FOR ªTHROTTLE (ACCEL)
POSI SENº].
OK
ENGRepair or replace throttle
(accelerator) position sen-
sor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
ENG 1. Remove control valve
assembly. Refer to
AT-118.
2. Check the following items:
I Shift valve B
I Overrun clutch control
valve
I Shift solenoid valve B
I Pilot valve
I Pilot filter
3. Disassemble A/T.
4. Check the following items:
I Servo piston assembly
I Brake band
I Torque converter
I Oil pump assembly
1. Remove control valve assembly. Refer
to AT-118.
2. Check the following items:
I Shift valve B
I Overrun clutch control valve
I Shift solenoid valve B
I Pilot valve
I Pilot filter
OK
FOK
Check again.
OK
ENG 1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT833HA
NAT262
SAT171B
H
H
H
H
HH
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-110
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16. A/T Does Not Hold Lock-up Condition
SYMPTOM:
A/T does not hold lock-up condition for more than 36 seconds.
Does self-diagnosis show damage to
engine speed signal circuit after cruise
test?
No
EYe sCheck engine speed sig-
nal. Refer to AT-82.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
ENG 1. Remove control valve
assembly. Refer to
AT-118.
2. Check the following items:
I Torque converter clutch
control valve
I Pilot valve
I Pilot filter
3. Disassemble A/T.
4. Check torque converter and oil pump assembly.
1. Remove control valve assembly. Referto AT-118.
2. Check the following items:
I Torque converter clutch control valve
I Pilot valve
I Pilot filter
OKFOK
Check again.
OK
ENG 1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin terminals for damage or
loose connection with
harness connector.
INSPECTION END
17. Lock-up Is Not Released
SYMPTOM:
Lock-up is not released when accelerator pedal is released.
Does ªECU INPUT SIGNALSº in
Data Monitor show damage to closed
throttle position switch circuit?
---------------------------------------------------------------------------------------------------------------------- -OR -----------------------------------------------------------------------------------------------------------------------
Does self-diagnosis show damage to
closed throttle position switch circuit?
No
EYe s
Check closed throttle posi-
tion switch. Refer to AT-93.
Check again.
OK
ENG1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT835H
SAT171B
SAT146BA
H
H
HH
H
H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-112
http://vnx.su/

20. A/T Does Not Shift: D2®D1When
Depressing Accelerator Pedal
SYMPTOM:
A/T does not shift from D2to D1when depressing accelerator
pedal fully at the specified speed.
Are 9. Vehicle Does Not Creep
Backward In ªRº Position and 10.
Vehicle Does Not Creep Forward In
ªDº, ª2º Or ª1º Position OK?
Ye s
ENo Go to 9. Vehicle Does Not
Creep Backward In ªRº Position
and 10. Vehicle Does Not Creep
Forward In ªDº, ª2º Or ª1º
Position, AT-105, AT-106.
Does ªECU INPUT SIGNALº
show damage to park/neutral
position switch circuit?
---------------------------------------------------------------------------------------------------- -OR -----------------------------------------------------------------------------------------------------
Does self-diagnosis show dam-
age to park/neutral position
switch circuit?
No
EYe s
Check park/neutral position
switch. Refer to AT-93.
Check vehicle speed sensor×A/T
(revolution sensor) and vehicle
speed sensor×MTR. Refer to AT-52,
AT-56.
OK
ENGRepair or replace vehicle speed
sensor×A/T (revolution sensor)
and vehicle speed sensor×MTR.
Check throttle (accelerator) position
sensor. Refer to EC section
[TROUBLE DIAGNOSIS FOR
ªTHROTTLE (ACCEL) POSI SENº
(DTC 43)].
OK
ENGRepair or replace throttle (accel-
erator) position sensor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
ENG
1. Remove control valve. Referto AT-118.
2. Check the following items:
I Shift valve A
I Shift solenoid valve A
I Pilot valve
I Pilot filter
3. Disassemble A/T.
4. Check the following items:
I Servo piston assembly
I Brake band
I Oil pump assembly
1. Remove control valve. Refer to
AT-118.
2. Check the following items:
I Shift valve A
I Shift solenoid valve A
I Pilot valve
I Pilot filter
OKFOK
Check again.
OK
ENG 1. Perform TCM input/output
signal inspection.
2. If NG, recheck TCM pin termi- nals for damage or loose con-
nection with harness connec-
tor.
INSPECTION END
SAT146BA
NAT262
SAT171B
H
H
H
H
H
H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-115
http://vnx.su/

Pilot filter
ICheck to make sure that filter is not clogged or damaged.
Torque converter clutch solenoid valve
ICheck that filter is not clogged or damaged.
I Measure resistance. Refer to ªComponent Inspectionº, AT-86.
Line pressure solenoid valve
ICheck that filter is not clogged or damaged.
I Measure resistance. Refer to ªComponent Inspectionº, AT-88.
3-unit solenoid assembly (Overrun clutch solenoid
valve and shift solenoid valves A and B)
IMeasure resistance of each solenoid. Refer to ªComponent
Inspectionº, AT-66, AT-69, AT-72.
A/T fluid temperature sensor
IMeasure resistance. Refer to ªComponent Inspectionº, AT-80.
ASSEMBLY
1. Install upper and lower bodies.
a. Place oil circuit of upper body face up. Install steel balls in their
proper positions.
SAT676A
SAT149G
SAT095B
SAT169BA
SAT671A
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont'd)
AT-146
http://vnx.su/

b. Install reamer bolts from bottom of upper body and install sepa-rate gaskets.
c. Place oil circuit of lower body face up. Install orifice check spring, orifice check valve and pilot filter.
d. Install lower separate gaskets and separator plates on lower body.
e. Install and temporarily tighten support plates, fluid temperature sensor and tube brackets.
f. Temporarily assemble lower and upper bodies, using reamer bolt as a guide.
I Be careful not to dislocate or drop steel balls, orifice check
spring, orifice check valve and pilot filter.
SAT681A
SAT682A
SAT197B
SAT198B
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont'd)
AT-147
http://vnx.su/

Clutch release mechanism ...............................CL-9
Coil spring (rear) ......................................RA-14, 16
Collision diagnosis..........................................RS-59
Combination lamp, front, removal andinstallation .....................................................BT-6
Combination lamp, rear, removal and installation .....................................................BT-8
Combination meter (needle type) ...................EL-84
Combination meter removal and instal- lation - See Instrument panel......................BT-16
Combination switch...................................EL-25, 26
Component Location (manual A/C) ..................HA-7
Compression pressure ...................................EM-10
Compressor mounting ....................................HA-21
Connecting rod...............................................EM-73
Connecting rod bearing clearance.................EM-77
Connecting rod bushing clearance ................EM-73
Console box - See Instrument panel ..............BT-16
CONSULT for ABS .........................................BR-59
CONSULT for engine .............................EC-39, 350
CONSULT-II general information.....................GI-26
Control lever (M/T) .........................................MT-13
Control lever (Transfer) .....................................TF-8
Control sleeve position sensor .....................EC-437
Control valve (A/T) ........................................AT-118
COOL/F - Wiring diagram ............................EC-112
Coolant mixture ratio ...................MA-17, 20, 22, 31
Coolant replacement ...............MA-5, 17, 20, 22, 31
Cooling circuit (engine)...............................LC-9, 27
Cooling fan ...............................................LC-15, 33
Cooling fan control .......................................EC-109
Cooling fan relay ..........................................EC-449
Corrosion protection..........................................BT-5
Counter gear (M/T) .........................................MT-11
Counter gear (Transfer) ............................TF-10, 20
Cowl top ..........................................................BT-21
Cowl top cover ................................................BT-21
Crankcase emission control system - See positive crankcase ventilation .....EC-23, 335
Crankcase ventilation system - See Positive crankcase ventilation ............EC-23, 335
Crankshaft ......................................................EM-76
Crankshaft position sensor (TDC) .......EC-152, 408
Cylinder block ................................................EM-66
Cylinder head .................................................EM-52
D
Data link connector ................................EC-39, 350
Daytime light system ..........................EL-32, 33, 34
DEF - Wiring diagram ...................................EL-126
Defroster door control rod adjustment ...........HA-62
Diagnosis sensor unit .....................................RS-13
Diagnostic trouble code (DTC) for OBDsystem ................................................EC-33, 344
Differential carrier assembly ....................PD-29, 53
Differential carrier disassembly..........PD-18, 38, 40
Differential gear oil replacement .......MA-36, 38, 39
Dimensions ......................................................GI-30 D/LOCK - Wiring diagram .............................EL-166
Door glass .......................................................BT-10
Door lock .........................................................BT-10
Door mirror ......................................................BT-48
Door trim .........................................................BT-19
Door, front .......................................................BT-10
Door, rear ........................................................BT-12
Drive belt inspection ................................MA-20, 28
Drive chain (Transfer) .....................................TF-10
Drive pinion diff. inspection ......................PD-20, 42
Drive pinion height ...................................PD-21, 49
Drive plate runout ..........................................EM-94
Drive shaft ........................................................MA-5
Drive shaft (front)..................................FA-4, 12, 22
Driver air bag..................................................RS-16
Dropping resistor (A/T)....................................AT-88
Dual pressure switch (component
inspection) ..................................................HA-61
Dual pressure switch (description) ...................HA-9
E
ECM input/output signal .........................EC-69, 369
ECM relay ......................................EC-80, 214, 376
ECMRLY - Wiring diagram ...........................EC-215
ECTS - Wiring diagram ..................................EC-96
EGR control (EGRC) - solenoid valve .........EC-454
EGR control valve ........................................EC-462
EGR volume control valve ...........................EC-227
EGVC/V - Wiring diagram ............................EC-230
Electrical unit ................................................Foldout
Electronic fuel injection pump ......................EC-341
Engine compartment .......................................BT-50
Engine control circuit diagram ...............EC-16, 325
Engine control component partslocation ...............................................EC-12, 323
Engine control module (ECM) ......EC-69, 121, 205, 207, 218, 369, 430,
467
Engine control system diagram and chart....................................................EC-17, 326
Engine coolant temperature sensor (ECTS)................................................EC-95, 384
Engine oil filter replacement..........MA-5, 20, 21, 30
Engine oil precautions .......................................GI-6
Engine oil replacement ......................MA-20, 21, 29
Engine removal ..............................................EM-63
Engine room - See Engine compartment ...............................................BT-50
Engine serial number ......................................GI-29
Exhaust manifold ...........................................EM-18
Exhaust system ..........................................FE-4, 10
Exhaust system inspection ............................MA-36
Extension tube diff. ..................................PD-19, 28
Exterior ............................................................BT-21
Exterior lamp ...................................................EL-49
ALPHABETICAL INDEX
IDX-3
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