TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-93
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Almost no shock or clutches slipping
in change from “D
1 ” to “D2 ”.ON vehicle1. Fluid levelAT-63, "
FLUID LEVEL
CHECK"
2. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
3. Line pressure testAT-67, "Line Pressure Test"
4. Accumulator servo releaseAT-406, "
Control Valve
Assembly and Accumula-
tors"
5. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle 6. Brake bandAT-483, "Band Servo Pis-
ton Assembly"
Almost no shock or slipping in
change from “D
2 ” to “D3 ”.ON vehicle1. Fluid levelAT-63, "
FLUID LEVEL
CHECK"
2. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
3. Line pressure testAT-67, "Line Pressure Test"
4. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle5. High clutchAT-459, "
High Clutch"
6. Brake bandAT-483, "Band Servo Pis-
ton Assembly"
Almost no shock or slipping in
change from “D
3 ” to “D4 ”.ON vehicle1. Fluid levelAT-63, "
FLUID LEVEL
CHECK"
2. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
3. Line pressure testAT-67, "Line Pressure Test"
4. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle5. High clutchAT-459, "
High Clutch"
6. Brake bandAT-483, "Band Servo Pis-
ton Assembly"
Vehicle braked by gear change from
“D
1 ” to “D2 ”.ON vehicle 1. Fluid levelAT-63, "
FLUID LEVEL
CHECK"
OFF vehicle2. Reverse clutchAT-455, "
Reverse Clutch"
3. Low & reverse brakeAT-470, "Low & Reverse
Brake"
4. High clutchAT-459, "High Clutch"
5. Low one-way clutchAT-413, "
OVERHAUL",AT-
417, "Locations of Adjust-
ing Shims, Needle Bear-
ings, Thrust Washers and
Snap Rings"
Symptom Condition Diagnostic ItemReference Page
EURO-OBD
AT-94
[EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Vehicle braked by gear change from
“D
2 ” to “D3 ”.ON vehicle 1. Fluid levelAT- 6 3 , "
FLUID LEVEL
CHECK"
OFF vehicle 2. Brake bandAT-483, "Band Servo Pis-
ton Assembly"
Vehicle braked by gear change from
“D
3 ” to “D4 ”.ON vehicle 1. Fluid levelAT- 6 3 , "
FLUID LEVEL
CHECK"
OFF vehicle2. Overrun clutchAT-464, "
Forward and
Overrun Clutches"
3. Forward one-way clutchAT-413, "OVERHAUL"
4. Reverse clutchAT-455, "Reverse Clutch"
Maximum speed not attained. Poor
acceleration.ON vehicle1. Fluid levelAT- 6 3 , "
FLUID LEVEL
CHECK"
2. PNP switch adjustmentAT-408, "
Park/Neutral Posi-
tion (PNP) Switch Adjust-
ment"
3. Shift solenoid valve AAT-171, "
DTC P0750
SHIFT SOLENOID VALVE
A"
4. Shift solenoid valve BAT-176, "
DTC P0755
SHIFT SOLENOID VALVE
B"
5. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle6. Reverse clutchAT-455, "
Reverse Clutch"
7. High clutchAT-459, "High Clutch"
8. Brake bandAT-483, "Band Servo Pis-
ton Assembly"
9. Low & reverse brakeAT-470, "Low & Reverse
Brake"
10. Oil pumpAT-435, "Oil Pump"
11. Torque converterAT-417, "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Symptom Condition Diagnostic ItemReference Page
EURO-OBD
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-95
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Failure to change gear from “D4 ” to
“D
3 ”.ON vehicle1. Fluid levelAT-63, "
FLUID LEVEL
CHECK"
2. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
3. Overrun clutch solenoid valveAT-187, "
DTC P1760
OVERRUN CLUTCH
SOLENOID VALVE"
4. Shift solenoid valve AAT-171, "
DTC P0750
SHIFT SOLENOID VALVE
A"
5. Line pressure solenoid valveAT-164, "
DTC P0745 LINE
PRESSURE SOLENOID
VA LV E"
6. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle7. Low & reverse brakeAT-470, "
Low & Reverse
Brake"
8. Overrun clutchAT-464, "Forward and
Overrun Clutches"
Failure to change gear from “D3 ” to
“D
2 ” or from “D4 ” to “D2 ”.ON vehicle1. Fluid levelAT-63, "
FLUID LEVEL
CHECK"
2. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
3. Shift solenoid valve AAT-171, "
DTC P0750
SHIFT SOLENOID VALVE
A"
4. Shift solenoid valve BAT-176, "
DTC P0755
SHIFT SOLENOID VALVE
B"
5. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle6. High clutchAT-459, "
High Clutch"
7. Brake bandAT-483, "Band Servo Pis-
ton Assembly"
Symptom Condition Diagnostic ItemReference Page
EURO-OBD
AT-96
[EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Failure to change gear from “D2 ” to
“D
1 ” or from “D3 ” to “D1 ”.ON vehicle1. Fluid levelAT- 6 3 , "
FLUID LEVEL
CHECK"
2. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
3. Shift solenoid valve AAT-171, "
DTC P0750
SHIFT SOLENOID VALVE
A"
4. Shift solenoid valve BAT-176, "
DTC P0755
SHIFT SOLENOID VALVE
B"
5. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle6. Low one-way clutchAT-413, "
OVERHAUL",AT-
417, "Locations of Adjust-
ing Shims, Needle Bear-
ings, Thrust Washers and
Snap Rings"
7. High clutchAT-459, "High Clutch"
8. Brake bandAT-483, "Band Servo Pis-
ton Assembly"
Gear change shock felt during
deceleration by releasing accelera-
tor pedal.ON vehicle1. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
2. Line pressure testAT- 6 7 , "Line Pressure Test"
3. Overrun clutch solenoid valveAT-187, "
DTC P1760
OVERRUN CLUTCH
SOLENOID VALVE"
4. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
Too high a change point from “D4 ”
to “D
3 ”, from “D3 ” to “D2 ”, from “D2
” to “D1 ”.ON vehicle1. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
2. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT-123, "
DTC P0720 VEHI-
CLE SPEED SENSOR A/T
(REVOLUTION SEN-
SOR)",AT- 2 0 1 , "DTC
VEHICLE SPEED SEN-
SOR MTR"
Symptom Condition Diagnostic ItemReference Page
EURO-OBD
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-97
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Kickdown does not operate when
depressing accelerator pedal in “D
4
” within kick down vehicle speed.ON vehicle1. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
2. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT-123, "
DTC P0720 VEHI-
CLE SPEED SENSOR A/T
(REVOLUTION SEN-
SOR)",AT-201, "DTC
VEHICLE SPEED SEN-
SOR MTR"
3. Shift solenoid valve AAT-171, "
DTC P0750
SHIFT SOLENOID VALVE
A"
4. Shift solenoid valve BAT-176, "
DTC P0755
SHIFT SOLENOID VALVE
B"
Kickdown operates or engine over-
runs when depressing accelerator
pedal in “D
4 ” beyond kick down
vehicle speed limit.ON vehicle1. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT-123, "
DTC P0720 VEHI-
CLE SPEED SENSOR A/T
(REVOLUTION SEN-
SOR)",AT-201, "DTC
VEHICLE SPEED SEN-
SOR MTR"
2. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
3. Shift solenoid valve AAT-171, "
DTC P0750
SHIFT SOLENOID VALVE
A"
4. Shift solenoid valve BAT-176, "
DTC P0755
SHIFT SOLENOID VALVE
B"
Races extremely fast or slips in
changing from “D
4 ” to “D3 ” when
depressing accelerator pedal.ON vehicle1. Fluid levelAT-63, "
FLUID LEVEL
CHECK"
2. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
3. Line pressure testAT-67, "Line Pressure Test"
4. Line pressure solenoid valveAT-164, "
DTC P0745 LINE
PRESSURE SOLENOID
VA LV E"
5. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle6. High clutchAT-459, "
High Clutch"
7. Forward clutchAT-464, "Forward and
Overrun Clutches"
Symptom Condition Diagnostic ItemReference Page
EURO-OBD
AT-98
[EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Races extremely fast or slips in
changing from “D
4 ” to “D2 ” when
depressing accelerator pedal.ON vehicle1. Fluid levelAT- 6 3 , "
FLUID LEVEL
CHECK"
2. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
3. Line pressure testAT- 6 7 , "Line Pressure Test"
4. Line pressure solenoid valveAT-164, "
DTC P0745 LINE
PRESSURE SOLENOID
VA LV E"
5. Shift solenoid valve AAT-171, "
DTC P0750
SHIFT SOLENOID VALVE
A"
6. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle7. Brake bandAT-483, "
Band Servo Pis-
ton Assembly"
8. Forward clutchAT-464, "Forward and
Overrun Clutches"
Races extremely fast or slips in
changing from “D
3 ” to “D2 ” when
depressing accelerator pedal.ON vehicle1. Fluid levelAT- 6 3 , "
FLUID LEVEL
CHECK"
2. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
3. Line pressure testAT- 6 7 , "Line Pressure Test"
4. Line pressure solenoid valveAT-164, "
DTC P0745 LINE
PRESSURE SOLENOID
VA LV E"
5. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
6. A/T fluid temp sen circ and TCM pow sourAT-195, "
DTC BATT/FLUID
TEMP SEN (A/T FLUID
TEMP SENSOR CIRCUIT
AND TCM POWER
SOURCE)"
OFF vehicle7. Brake bandAT-483, "
Band Servo Pis-
ton Assembly"
8. Forward clutchAT-464, "Forward and
Overrun Clutches"
9. High clutchAT-459, "High Clutch"
Symptom Condition Diagnostic ItemReference Page
EURO-OBD
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-99
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
Races extremely fast or slips in
changing from “D
4 ” or “D3 ” to “D1 ”
when depressing accelerator pedal.ON vehicle1. Fluid levelAT-63, "
FLUID LEVEL
CHECK"
2. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
3. Line pressure testAT-67, "Line Pressure Test"
4. Line pressure solenoid valveAT-164, "
DTC P0745 LINE
PRESSURE SOLENOID
VA LV E"
5. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle6. Forward clutchAT-464, "
Forward and
Overrun Clutches"
7. Forward one-way clutchAT-413, "OVERHAUL"
8. Low one-way clutchAT-413, "
OVERHAUL",AT-
417, "Locations of Adjust-
ing Shims, Needle Bear-
ings, Thrust Washers and
Snap Rings"
Vehicle will not run in any position.ON vehicle1. Fluid levelAT-63, "
FLUID LEVEL
CHECK"
2. Control cable adjustmentAT-408, "Control Cable
Adjustment"
3. Line pressure testAT-67, "Line Pressure Test"
4. Line pressure solenoid valveAT-164, "
DTC P0745 LINE
PRESSURE SOLENOID
VA LV E"
OFF vehicle5. Oil pumpAT-435, "
Oil Pump"
6. High clutchAT-459, "High Clutch"
7. Brake bandAT-483, "Band Servo Pis-
ton Assembly"
8. Low & reverse brakeAT-470, "Low & Reverse
Brake"
9. Torque converterAT-417, "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
10. Parking componentsAT-413, "
Output Shaft, Idler
Gear, Reduction Pinion
Gear and Bearing
Retainer"
Transmission noise in “D”, “2”, “1”
and “R” positions.ON vehicle 1. Fluid levelAT-63, "
FLUID LEVEL
CHECK"
OFF vehicle 2. Torque converterAT-417, "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Symptom Condition Diagnostic ItemReference Page
EURO-OBD
AT-100
[EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Failure to change from “D3 ” to “22 ”
when changing lever into “2” posi-
tion.
AT- 2 3 5 , "
18. A/T Does Not Shift: D3
→ 22 , When Selector Lever “D”→
“2” Position"
ON vehicle1. PNP switch adjustmentAT-408, "
Park/Neutral Posi-
tion (PNP) Switch Adjust-
ment"
2. Throttle position sensor [Accelerator
pedal position (APP) sensor]AT-181, "
DTC P1705
ACCELERATOR PEDAL
POSITION (APP) SEN-
SOR"
3. Overrun clutch solenoid valveAT-187, "
DTC P1760
OVERRUN CLUTCH
SOLENOID VALVE"
4. Shift solenoid valve AAT-171, "
DTC P0750
SHIFT SOLENOID VALVE
A"
5. Shift solenoid valve BAT-176, "
DTC P0755
SHIFT SOLENOID VALVE
B"
6. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
7. Control cable adjustmentAT-408, "Control Cable
Adjustment"
Failure to change from “D3 ” to “22 ”
when changing lever into “2” posi-
tion.
AT- 2 3 5 , "
18. A/T Does Not Shift: D3
→ 22 , When Selector Lever “D”→
“2” Position"
OFF vehicle8. Brake bandAT-483, "
Band Servo Pis-
ton Assembly"
9. Overrun clutchAT-464, "Forward and
Overrun Clutches"
Gear change from “22 ” to “23 ” i n “2 ”
position.ON vehicle 1. PNP switch adjustmentAT-408, "Park/Neutral Posi-
tion (PNP) Switch Adjust-
ment"
Symptom Condition Diagnostic ItemReference Page
EURO-OBD