
AT-66
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Shift ShockSharp shock in shift-
ing from “N” to “D” po-
sition.
ON vehicle1. Engine idling speed
EC-24
(HR16DE), EC-
578 (MR18DE)
2. Accelerator pedal position sensor EC-415
(HR16DE), EC-
982 (MR18DE)
3. Line pressure test AT- 5 1
4. A/T fluid temperature sensorAT- 9 5
5. Engine speed signalAT- 1 0 5
6. Line pressure solenoid valveAT- 1 3 3
7. Control valve assemblyAT- 2 2 2
8. Accumulator N-DAT- 2 2 2
OFF vehicle 9. Forward clutch AT- 3 0 7
Too sharp a shock in
changing from D
1 to
D
2 . ON vehicle1. Accelerator pedal position sensor
EC-415
(HR16DE), EC-
982 (MR18DE)
2. Line pressure test AT- 5 1
3. Accumulator servo releaseAT- 2 2 2
4. Control valve assemblyAT- 2 2 2
5. A/T fluid temperature sensorAT- 9 5
OFF vehicle 6. Brake band AT- 3 3 1
Shift ShockToo sharp a shock in
changing from D
2 to
D
3 . ON vehicle
1. Accelerator pedal position sensor
EC-415
(HR16DE), EC-
982 (MR18DE)
2. Line pressure test AT- 5 1
3. Control valve assemblyAT- 2 2 2
OFF vehicle4. High clutch
AT- 3 0 25. Brake bandAT- 3 3 1
Too sharp a shock in
changing from D
3 to
D
4 . ON vehicle
1. Accelerator pedal position sensor
EC-415
(HR16DE), EC-
982 (MR18DE)
2. Line pressure test AT- 5 1
3. Control valve assemblyAT- 2 2 2
OFF vehicle4. Brake band
AT- 3 3 15. Overrun clutchAT- 3 0 7
6. Forward one-way clutchAT- 3 1 8
Gear change shock
during deceleration by
releasing accelerator
pedal.ON vehicle1. Accelerator pedal position sensor
EC-415
(HR16DE), EC-
982 (MR18E)
2. Line pressure test AT- 5 1
3. Overrun clutch solenoid valveAT- 1 4 8
4. Control valve assemblyAT- 2 2 2
Large shock in chang-
ing from 1
2 to 11 in
“1” position. ON vehicle 1. Control valve assembly
AT- 2 2 2OFF vehicle 2. Low & reverse brakeAT- 3 1 4
ItemsSymptom Condition Diagnostic itemReference page
Revision: May 2010 2011 Versa

AT-68
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
No Down ShiftFailure to change
gear from D
4 to D3 .
ON vehicle 1. A/T fluid level
AT- 1 7
2. Accelerator pedal position sensorEC-415
(HR16DE), EC-
982 (MR18DE)
3. Overrun clutch solenoid valve AT- 1 4 8
4. Shift solenoid valve A AT- 1 3 8
5. Line pressure solenoid valveAT- 1 3 3
6. Control valve assemblyAT- 2 2 2
OFF vehicle7. Brake band
AT- 3 3 18. Overrun clutchAT- 3 0 7
Failure to change
gear from D
3 to D2 or
from D
4 to D2 . ON vehicle 1. A/T fluid level
AT- 1 7
2. Accelerator pedal position sensorEC-415
(HR16DE), EC-
982 (MR18DE)
3. Shift solenoid valve A AT- 1 3 8
4. Shift solenoid valve BAT- 1 4 3
5. Control valve assemblyAT- 2 2 2
OFF vehicle6. High clutch
AT- 3 0 27. Brake bandAT- 3 3 1
Failure to change
gear from D
2 to D1 or
from D
3 to D1 . ON vehicle 1. A/T fluid level
AT- 1 7
2. Accelerator pedal position sensorEC-415
(HR16DE), EC-
982 (MR18DE)
3. Shift solenoid valve A AT- 1 3 8
4. Shift solenoid valve BAT- 1 4 3
5. Control valve assemblyAT- 2 2 2
OFF vehicle6. Low one-way clutch
AT- 2 5 77. High clutchAT- 3 0 2
8. Brake bandAT- 3 3 1
Failure to change
from D
3 to 22 when
shifting selector lever
into “2” position.
AT- 1 9 8ON vehicle 1. Accelerator pedal position sensor
EC-415
(HR16DE), EC-
982 (MR18DE)
2. Shift solenoid valve B AT- 1 4 3
3. Control valve assembly AT- 2 2 2
4. Control cable adjustmentAT- 2 1 7
OFF vehicle 5. Brake band AT- 3 3 1
Does not change from
1
2 to 11 in 1st posi-
tion. ON vehicle1. Transmission range switch adjustment
AT- 2 2 5
2. Output speed sensor and vehicle speed signalAT- 1 0 0, AT- 1 5 3
3. Shift solenoid valve A AT- 1 3 8
4. Control valve assemblyAT- 2 2 2
5. Overrun clutch solenoid valveAT- 1 4 8
OFF vehicle6. Overrun clutch
AT- 3 0 77. Low & reverse brakeAT- 3 1 4
ItemsSymptom Condition Diagnostic itemReference page
Revision: May 2010 2011 Versa

TROUBLE DIAGNOSISAT-69
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
No Up Shift Failure to change
gear from D
1 to D2 .
ON vehicle 1. Control cable adjustment
AT- 2 1 7
2. Shift solenoid valve AAT- 1 3 8
3. Control valve assemblyAT- 2 2 2
4. Output speed sensor and vehicle speed signalAT- 1 0 0, AT- 1 5 3
5. Accelerator pedal position sensorEC-415
(HR16DE), EC-
982 (MR18DE)
OFF vehicle 6. Brake band AT- 3 3 1
Failure to change
gear from D
2 to D3 .ON vehicle 1. Control cable adjustment
AT- 2 1 7
2. Shift solenoid valve BAT- 1 4 3
3. Control valve assemblyAT- 2 2 2
4. Output speed sensor and vehicle speed signalAT- 1 0 0, AT- 1 5 3
5. Accelerator pedal position sensorEC-415
(HR16DE), EC-
982 (MR18DE)
OFF vehicle 6. High clutch
AT- 3 0 2
7. Brake bandAT- 3 3 1
Failure to change
gear from D
3 to D4 .ON vehicle 1. Transmission range switch adjustment
AT- 2 2 5
2. Overdrive control switchAT- 1 7 1
3. Control cable adjustmentAT- 2 1 7
4. Shift solenoid valve AAT- 1 3 8
5. Output speed sensor and vehicle speed signalAT- 1 0 0, AT- 1 5 3
6. A/T fluid temperature sensorAT- 9 5
OFF vehicle 7. Brake band AT- 3 3 1
A/T does not shift to
D
4 when driving with
OD ON. (OD OFF in-
dicator lamp is off.) ON vehicle1. Accelerator pedal position sensor
EC-415
(HR16DE), EC-
982 (MR18DE)
2. Transmission range switch adjustment AT- 2 2 5
3. Overdrive control switchAT- 1 7 1
4. Output speed sensor and vehicle speed signalAT- 1 0 0, AT- 1 5 3
5. Shift solenoid valve AAT- 1 3 8
6. Overrun clutch solenoid valveAT- 1 4 8
7. Control valve assemblyAT- 2 2 2
8. A/T fluid temperature sensorAT- 9 5
9. Line pressure solenoid valveAT- 1 3 3
OFF vehicle10. Brake band
AT- 3 3 111. Overrun clutchAT- 3 0 7
ItemsSymptom Condition Diagnostic itemReference page
Revision: May 2010 2011 Versa

AT-72
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Slips/Will Not EngageRaces extremely fast
or slips in changing
from D
4 to D2 when
depressing accelera-
tor pedal. ON vehicle1. A/T fluid level
AT- 1 7
2. Accelerator pedal position sensorEC-415
(HR16DE), EC-
982 (MR18DE)
3. Line pressure test AT- 5 1
4. Line pressure solenoid valveAT- 1 3 3
5. Shift solenoid valve AAT- 1 3 8
6. Shift solenoid valve BAT- 1 4 3
7. Control valve assemblyAT- 2 2 2
OFF vehicle8. Brake band
AT- 3 3 19. Forward clutchAT- 3 0 7
Races extremely fast
or slips in changing
from D
3 to D2 when
depressing accelera-
tor pedal. ON vehicle1. A/T fluid level
AT- 1 7
2. Accelerator pedal position sensor EC-415
(HR16DE), EC-
982 (MR18DE)
3. Line pressure test AT- 5 1
4. Line pressure solenoid valveAT- 1 3 3
5. Shift solenoid valve BAT- 1 4 3
6. Control valve assemblyAT- 2 2 2
OFF vehicle7. Brake band
AT- 3 3 18. High clutchAT- 3 0 2
Races extremely fast
or slips in changing
from D
4 or D3 to D 1
when depressing ac-
celerator pedal. ON vehicle1. A/T fluid level
AT- 1 7
2. Accelerator pedal position sensorEC-415
(HR16DE), EC-
982 (MR18DE)
3. Line pressure test AT- 5 1
4. Line pressure solenoid valveAT- 1 3 3
5. Shift solenoid valve AAT- 1 3 8
6. Shift solenoid valve BAT- 1 4 3
7. Control valve assemblyAT- 2 2 2
OFF vehicle8. Forward clutch
AT- 3 0 79. Forward one-way clutchAT- 3 1 8
10. Low one-way clutchAT- 2 5 7
Vehicle will not run in
any position.ON vehicle
1. A/T fluid level
AT- 1 7
2. Control cable adjustmentAT- 2 1 7
3. Line pressure testAT- 5 1
4. Line pressure solenoid valveAT- 1 3 3
OFF vehicle5. Oil pump
AT- 2 7 8
6. High clutchAT- 3 0 2
7. Brake bandAT- 3 3 1
8. Low & reverse brakeAT- 3 1 4
9. Torque converterAT- 2 5 7
10. Parking componentsAT- 2 3 7
ItemsSymptom Condition Diagnostic itemReference page
Revision: May 2010 2011 Versa

AT-74
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
OthersVehicle braked by
gear change from D
1
to D
2 . ON vehicle 1. A/T fluid level
AT- 1 7OFF vehicle2. Reverse clutch
AT- 2 9 73. Low & reverse brakeAT- 3 1 4
4. High clutchAT- 3 0 2
5. Low one-way clutchAT- 2 5 7
Vehicle braked by
gear change from D
2
to D
3 . ON vehicle 1. A/T fluid level
AT- 1 7OFF vehicle 2. Brake bandAT- 3 3 1
Vehicle braked by
gear change from D
3
to D
4 . ON vehicle 1. A/T fluid level
AT- 1 7OFF vehicle2. Overrun clutch
AT- 3 0 73. Forward one-way clutchAT- 3 1 8
4. Reverse clutchAT- 2 9 7
Maximum speed not
attained. Poor accel-
eration.ON vehicle1. A/T fluid level
AT- 1 7
2. Transmission range switch adjustmentAT- 2 2 5
3. Overdrive control switchAT- 1 7 1
4. Accelerator pedal position sensorEC-415
(HR16DE), EC-
982 (MR18DE)
5. Output speed sensor and vehicle speed signal AT- 1 0 0
, AT- 1 5 3
6. Shift solenoid valve A AT- 1 3 8
7. Shift solenoid valve BAT- 1 4 3
8. Control valve assemblyAT- 2 2 2
OFF vehicle9. Reverse clutch
AT- 2 9 7
10. High clutchAT- 3 0 2
11. Brake bandAT- 3 3 1
12. Low & reverse brakeAT- 3 1 4
13. Oil pumpAT- 2 7 8
14. Torque converterAT- 2 5 7
Transaxle noise in
“D”, “2”, “1” and “R”
positions.ON vehicle 1. A/T fluid level
AT- 1 7
OFF vehicle 2. Torque converterAT- 2 5 7
Engine brake does
not operate in “1” po-
sition.ON vehicle1. Transmission range switch adjustment
AT- 2 2 5
2. Control cable adjustmentAT- 2 1 7
3. Output speed sensor and vehicle speed signalAT- 1 0 0, AT- 1 5 3
4. Control valve assembly AT- 2 2 2
5. Overrun clutch solenoid valveAT- 1 4 8
OFF vehicle6. Overrun clutch
AT- 3 0 77. Low & reverse brakeAT- 3 1 4
ItemsSymptom Condition Diagnostic itemReference page
Revision: May 2010 2011 Versa

TROUBLE DIAGNOSISAT-75
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
TCM Terminal and Reference ValueINFOID:0000000005928104
TCM HARNESS CONNECTOR TERMINAL LAYOUT
Terminals and Reference Values for TCM
Others Transaxle overheats.
ON vehicle
1. A/T fluid level
AT- 1 7
2. Engine idling speedEC-24
(HR16DE), EC-
578 (MR18DE)
3. Accelerator pedal position sensor EC-415
(HR16DE), EC-
982 (MR18DE)
4. Line pressure test AT- 5 1
5. Line pressure solenoid valveAT- 1 3 3
6. Control valve assemblyAT- 2 2 2
OFF vehicle7. Oil pump
AT- 2 7 8
8. Reverse clutchAT- 2 9 7
9. High clutchAT- 3 0 2
10. Brake bandAT- 3 3 1
11. Forward clutchAT- 3 0 7
12. Overrun clutchAT- 3 0 7
13. Low & reverse brakeAT- 3 1 4
14. Torque converterAT- 2 5 7
ATF shoots out during
operation.
White smoke emitted
from exhaust pipe
during operation.ON vehicle 1. A/T fluid level
AT- 1 7
OFF vehicle2. Reverse clutch
AT- 2 9 7
3. High clutchAT- 3 0 2
4. Brake bandAT- 3 3 1
5. Forward clutchAT- 3 0 7
6. Overrun clutchAT- 3 0 7
7. Low & reverse brakeAT- 3 1 4
Unusual smell at A/T
fluid charging pipe.ON vehicle 1. A/T fluid level
AT- 1 7
OFF vehicle2. Torque converter
AT- 2 5 7
3. Oil pumpAT- 2 7 8
4. Reverse clutchAT- 2 9 7
5. High clutchAT- 3 0 2
6. Brake bandAT- 3 3 1
7. Forward clutchAT- 3 0 7
8. Overrun clutchAT- 3 0 7
9. Low & reverse brakeAT- 3 1 4
ItemsSymptom Condition Diagnostic itemReference page
WCIA0717E
Revision: May 2010 2011 Versa