AT-278
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — BASIC INSPECTION
14. Touch “DISPLAY”.
15. Touch “PRINT”.
16. Check the monitor data printed out.
17. Continue cruise test part 2 and 3.
Without CONSULT-II
●Throttle position sensor can be checked by voltage across termi-
nals 41 and 42 of TCM.
SAT975J
SCIA0710E
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-287
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
TROUBLE DIAGNOSIS — GENERAL DESCRIPTIONPFP:00000
Symptom ChartECS004VV
Numbers are arranged in order of inspection.
Perform inspections starting with number one and work up.
Symptom Condition Diagnostic Item Reference Page
Engine cannot start in “P” and “N”
positions.
AT-314, "
Engine Cannot Be Started In
“P” and “N” Position"
ON vehicle1. Ignition switch and starterPG-2, "
POWER SUPPLY
ROUTING",
SC-20, "
STARTING SYS-
TEM"
2. Control cable adjustmentAT- 4 1 6 , "Control Cable
Adjustment"
3. PNP switchAT- 3 4 4 , "TCM Self-diag-
nosis Does Not Activate"
Engine starts in position other than
“N” and “P” positions.
AT-314, "
Engine Cannot Be Started In
“P” and “N” Position"
ON vehicle1. Control cable adjustmentAT- 4 1 6 , "
Control Cable
Adjustment"
2. PNP switchAT- 3 4 4 , "TCM Self-diag-
nosis Does Not Activate"
Transaxle noise in “P” and “N” posi-
tions.ON vehicle1. Fluid levelAT- 2 6 4 , "
FLUID LEVEL
CHECK"
2. Line pressure testAT- 2 6 8 , "Line Pressure
Te s t"
3. Accelerator pedal position (APP) sensorAT- 3 6 2 , "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT- 3 5 3 , "
VEHICLE
SPEED SENSOR·A/T
(REVOLUTION SEN-
SOR)",
AT- 3 5 8 , "
DTC VEHICLE
SPEED SENSOR MTR"
OFF vehicle5. Oil pumpAT- 4 4 4 , "
Oil Pump"
6. Torque converterAT- 4 2 5 , "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Vehicle moves when changing into “P”
position, or parking gear does not dis-
engage when shifted out of “P” posi-
tion.
AT-315, "
In “P” Position, Vehicle
Moves Forward Or Backward When
Pushed"
ON vehicle 1. Control cable adjustmentAT- 4 1 6 , "Control Cable
Adjustment"
OFF vehicle 2. Parking componentsAT- 4 2 1 , "
Components",
AT- 4 4 1 , "
REPAIR FOR
COMPONENT PARTS"
Vehicle runs in “N” position.
AT-315, "
In “N” Position, Vehicle
Moves"
ON vehicle 1. Control cable adjustmentAT- 4 1 6 , "Control Cable
Adjustment"
OFF vehicle2. Forward clutchAT- 4 7 1 , "
Forward and
Overrun Clutches"
3. Reverse clutchAT- 4 6 3 , "Reverse Clutch"
4. Overrun clutchAT- 4 7 1 , "Forward and
Overrun Clutches"
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-289
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Sharp shock in shifting from “N” to “D”
position.ON vehicle1. Engine idling rpmEC-1391, "
I d l e S p e e d a n d
Ignition Timing"
2. Accelerator pedal position (APP) sensorAT- 3 6 2 , "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
3. Line pressure testAT- 2 6 8 , "Line Pressure
Te s t"
4. A/T fluid temp sen circ and TCM pow
sourAT- 3 8 6 , "
BATT/FLUID
TEMP SEN (A/T FLUID
TEMP SENSOR CIR-
CUIT AND TCM POWER
SOURCE)"
5. Engine speed signalAT- 3 9 2 , "ENGINE SPEED
SIGNAL"
6. Line pressure solenoid valveAT- 3 9 6 , "
LINE PRES-
SURE SOLENOID
VA LV E"
7. Control valve assemblyAT- 4 1 4 , "
Control Valve
Assembly and Accumula-
tors"
8. Accumulator N-DAT- 4 1 4 , "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle 9. Forward clutchAT- 4 7 1 , "Forward and
Overrun Clutches"
Vehicle will not run in “D” and “2” posi-
tions (but runs in “1” and “R” posi-
tions).ON vehicle 1. Control cable adjustmentAT- 4 1 6 , "
Control Cable
Adjustment"
OFF vehicle 2. Low one-way clutchAT- 4 2 1 , "
OVERHAUL",
AT- 4 2 5 , "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Vehicle will not run in “D”, “1”, “2” posi-
tions (but runs in “R” position). Clutch
slips. Very poor acceleration.
AT-321, "
Vehicle Does Not Creep For-
ward In “D”,“2” Or “1” Position"
ON vehicle1. Fluid levelAT- 2 6 4 , "
FLUID LEVEL
CHECK"
2. Stall testAT- 2 6 5 , "Stall Tes t"
3. Line pressure testAT- 2 6 8 , "Line Pressure
Te s t"
4. Line pressure solenoid valveAT- 3 9 6 , "
LINE PRES-
SURE SOLENOID
VA LV E"
5. Control valve assemblyAT- 4 1 4 , "
Control Valve
Assembly and Accumula-
tors"
6. Accumulator N-DAT- 4 1 4 , "
Control Valve
Assembly and Accumula-
tors"
Symptom Condition Diagnostic Item Reference Page
AT-290
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Vehicle will not run in “D”, “1”, “2” posi-
tions (but runs in “R” position). Clutch
slips. Very poor acceleration.
AT- 3 2 1 , "
Vehicle Does Not Creep For-
ward In “D”,“2” Or “1” Position"
OFF vehicle7. Reverse clutch AT-463, "
Reverse Clutch"
8. High clutchAT-466, "High Clutch"
9. Forward clutchAT-471, "Forward and
Overrun Clutches"
10. Forward one-way clutchAT-421, "OVERHAUL"
11. Low one-way clutchAT-421, "
OVERHAUL",
AT-425, "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Clutches or brakes slip somewhat in
starting.ON vehicle1. Fluid levelAT-264, "
FLUID LEVEL
CHECK"
2. Control cable adjustmentAT-416, "Control Cable
Adjustment"
3. Accelerator pedal position (APP) sensorAT-362, "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
4. Line pressure testAT-268, "Line Pressure
Te s t"
5. Line pressure solenoid valveAT-396, "
LINE PRES-
SURE SOLENOID
VA LV E"
6. Control valve assemblyAT-414, "
Control Valve
Assembly and Accumula-
tors"
7. Accumulator N-DAT-414, "
Control Valve
Assembly and Accumula-
tors"
8. Shift solenoid valve AAT-367, "SHIFT SOLE-
NOID VALVE A"
9. Shift solenoid valve BAT-372, "SHIFT SOLE-
NOID VALVE B"
10. Overrun clutch solenoid valveAT-377, "
OVERRUN
CLUTCH SOLENOID
VA LV E"
11. Torque converter clutch solenoid valveAT-381, "
TORQUE CON-
VERTER CLUTCH
SOLENOID VALVE"
OFF vehicle12. Forward clutchAT-471, "
Forward and
Overrun Clutches"
13. Reverse clutchAT-463, "Reverse Clutch"
14. Low & reverse brakeAT-476, "Low & Reverse
Brake"
15. Oil pumpAT-444, "Oil Pump"
16. Torque converterAT-425, "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Excessive creep. ON vehicle 1. Engine idling rpmEC-1391, "Idle Speed and
Ignition Timing"
Symptom Condition Diagnostic Item Reference Page
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-291
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
ATNo creep at all.
AT-318, "
Vehicle Does Not Creep
Backward In “R” Position" and AT-
321, "Vehicle Does Not Creep For-
ward In “D”,“2” Or “1” Position"
ON vehicle1. Fluid levelAT- 2 6 4 , "
FLUID LEVEL
CHECK"
2. Line pressure testAT- 3 9 6 , "
LINE PRES-
SURE SOLENOID
VA LV E"
3. Control valve assemblyAT- 4 1 4 , "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle4. Forward clutchAT- 4 7 1 , "
Forward and
Overrun Clutches"
5. Oil pumpAT- 4 4 4 , "Oil Pump"
6. Torque converterAT- 4 2 5 , "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Failure to change gear from “D1 ” to
“D
2 ”.ON vehicle1. Control cable adjustmentAT- 4 1 6 , "
Control Cable
Adjustment"
2. Shift solenoid valve AAT- 3 6 7 , "SHIFT SOLE-
NOID VALVE A"
3. Control valve assemblyAT- 4 1 4 , "
Control Valve
Assembly and Accumula-
tors"
4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT- 3 5 3 , "
VEHICLE
SPEED SENSOR·A/T
(REVOLUTION SEN-
SOR)",AT-358, "DTC
VEHICLE SPEED SEN-
SOR MTR"
5. Accelerator pedal position (APP) sensorAT- 3 6 2 , "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
OFF vehicle 6. Brake bandAT- 4 8 8 , "Band Servo Pis-
ton Assembly"
Failure to change gear from “D2 ” to
“D
3 ”.ON vehicle1. Control cable adjustmentAT- 4 1 6 , "
Control Cable
Adjustment"
2. Shift solenoid valve BAT- 3 7 2 , "SHIFT SOLE-
NOID VALVE B"
3. Control valve assemblyAT- 4 1 4 , "
Control Valve
Assembly and Accumula-
tors"
4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT- 3 5 3 , "
VEHICLE
SPEED SENSOR·A/T
(REVOLUTION SEN-
SOR)",AT-358, "DTC
VEHICLE SPEED SEN-
SOR MTR"
5. Accelerator pedal position (APP) sensorAT- 3 6 2 , "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
OFF vehicle6. High clutchAT- 4 6 6 , "
High Clutch"
7. Brake bandAT- 4 8 8 , "Band Servo Pis-
ton Assembly"
Symptom Condition Diagnostic Item Reference Page
AT-292
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Failure to change gear from “D3 ” to
“D
4 ”.ON vehicle1. PNP switchAT-344, "
TCM Self-diag-
nosis Does Not Activate"
2. Overrun clutch solenoid valveAT-377, "
OVERRUN
CLUTCH SOLENOID
VA LV E"
3. Shift solenoid valve AAT-367, "SHIFT SOLE-
NOID VALVE A"
4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT-353, "
VEHICLE
SPEED SENSOR·A/T
(REVOLUTION SEN-
SOR)",AT-358, "DTC
VEHICLE SPEED SEN-
SOR MTR"
5. A/T fluid temp sen circ and TCM pow
sourAT-386, "
BATT/FLUID
TEMP SEN (A/T FLUID
TEMP SENSOR CIR-
CUIT AND TCM POWER
SOURCE)"
OFF vehicle 6. Brake bandAT-488, "Band Servo Pis-
ton Assembly"
Too high a gear change point from “D1
” to “D2 ”, from “D2 ” to “D3 ”, from “D3
” to “D4 ”.
AT- 3 2 6 , "
A/T Does Not Shift: D1→ D2
Or Does Not Kick down: D4→ D2"
andAT-330, "A/T Does Not Shift: D3
→ D4"
ON vehicle1. Accelerator pedal position (APP) sensorAT-362, "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
2. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT-353, "
VEHICLE
SPEED SENSOR·A/T
(REVOLUTION SEN-
SOR)",AT-358, "DTC
VEHICLE SPEED SEN-
SOR MTR"
3. Shift solenoid valve AAT-367, "SHIFT SOLE-
NOID VALVE A"
4. Shift solenoid valve BAT-372, "SHIFT SOLE-
NOID VALVE B"
Gear change directly from “D1 ” to “D3
” occurs.ON vehicle1. Fluid levelAT-264, "
FLUID LEVEL
CHECK"
2. Accumulator servo releaseAT-414, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle 3. Brake bandAT-488, "Band Servo Pis-
ton Assembly"
Engine stops when shifting lever into
“R”, “D”, “2” and “1”.ON vehicle1. Engine idling rpmEC-1391, "
Idle Speed and
Ignition Timing"
2. Fluid levelAT-264, "FLUID LEVEL
CHECK"
3. Torque converter clutch solenoid valveAT-381, "
TORQUE CON-
VERTER CLUTCH
SOLENOID VALVE"
4. Control valve assemblyAT-414, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle 5. Torque converterAT-425, "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Symptom Condition Diagnostic Item Reference Page
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-293
[EXC.F/EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Too sharp a shock in change from “D1
” to “D2 ”.ON vehicle1. Accelerator pedal position (APP) sensorAT- 3 6 2 , "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
2. Line pressure testAT- 2 6 8 , "Line Pressure
Te s t"
3. Accumulator servo releaseAT- 4 1 4 , "
Control Valve
Assembly and Accumula-
tors"
4. Control valve assemblyAT- 4 1 4 , "
Control Valve
Assembly and Accumula-
tors"
5. A/T fluid temp sen circ and TCM pow
sourAT- 3 8 6 , "
BATT/FLUID
TEMP SEN (A/T FLUID
TEMP SENSOR CIR-
CUIT AND TCM POWER
SOURCE)"
OFF vehicle 6. Brake bandAT- 4 8 8 , "Band Servo Pis-
ton Assembly"
Too sharp a shock in change from “D2
” to “D3 ”.ON vehicle1. Accelerator pedal position (APP) sensorAT- 3 6 2 , "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
2. Line pressure testAT- 2 6 8 , "Line Pressure
Te s t"
3. Control valve assemblyAT- 4 1 4 , "
Control Valve
Assembly and Accumula-
tors"
4. A/T fluid temp sen circ and TCM pow
sourAT- 3 8 6 , "
BATT/FLUID
TEMP SEN (A/T FLUID
TEMP SENSOR CIR-
CUIT AND TCM POWER
SOURCE)"
OFF vehicle5. High clutchAT- 4 6 6 , "
High Clutch"
6. Brake bandAT- 4 8 8 , "Band Servo Pis-
ton Assembly"
Too sharp a shock in change from “D3
” to “D4 ”.ON vehicle1. Accelerator pedal position (APP) sensorAT- 3 6 2 , "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
2. Line pressure testAT- 2 6 8 , "Line Pressure
Te s t"
3. Control valve assemblyAT- 4 1 4 , "
Control Valve
Assembly and Accumula-
tors"
4. A/T fluid temp sen circ and TCM pow
sourAT- 3 8 6 , "
BATT/FLUID
TEMP SEN (A/T FLUID
TEMP SENSOR CIR-
CUIT AND TCM POWER
SOURCE)"
OFF vehicle5. Brake bandAT- 4 8 8 , "
Band Servo Pis-
ton Assembly"
6. Overrun clutchAT- 4 7 1 , "Forward and
Overrun Clutches"
7. Forward one-way clutchAT- 4 2 1 , "OVERHAUL"
Symptom Condition Diagnostic Item Reference Page
AT-294
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Almost no shock or clutches slipping
in change from “D
1 ” to “D2 ”.ON vehicle1. Fluid levelAT-264, "
FLUID LEVEL
CHECK"
2. Accelerator pedal position (APP) sensorAT-362, "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
3. Line pressure testAT-268, "Line Pressure
Te s t"
4. Accumulator servo releaseAT-414, "
Control Valve
Assembly and Accumula-
tors"
5. Control valve assemblyAT-414, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle 6. Brake bandAT-488, "Band Servo Pis-
ton Assembly"
Almost no shock or slipping in change
from “D
2 ” to “D3 ”.ON vehicle1. Fluid levelAT-264, "
FLUID LEVEL
CHECK"
2. Accelerator pedal position (APP) sensorAT-362, "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
3. Line pressure testAT-268, "Line Pressure
Te s t"
4. Control valve assemblyAT-414, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle5. High clutchAT-466, "
High Clutch"
6. Brake bandAT-488, "Band Servo Pis-
ton Assembly"
Almost no shock or slipping in change
from “D
3 ” to “D4 ”.ON vehicle1. Fluid levelAT-264, "
FLUID LEVEL
CHECK"
2. Accelerator pedal position (APP) sensorAT-362, "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
3. Line pressure testAT-268, "Line Pressure
Te s t"
4. Control valve assemblyAT-414, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle 5. Brake bandAT-488, "Band Servo Pis-
ton Assembly"
Vehicle braked by gear change from
“D
1 ” to “D2 ”.ON vehicle 1. Fluid levelAT-264, "
FLUID LEVEL
CHECK"
OFF vehicle2. Reverse clutchAT-463, "
Reverse Clutch"
3. Low & reverse brakeAT-476, "Low & Reverse
Brake"
4. High clutchAT-466, "High Clutch"
5. Low one-way clutchAT-421, "
OVERHAUL",
AT-425, "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Symptom Condition Diagnostic Item Reference Page