Page 81 of 3787
AT-64
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Move selector lever from “2” to “1” position while driving in 22 .
Read gear position. Refer to AT-77, "
CONSULT-III Function
(TRANSMISSION)" .
Does A/T shift from 2
2 to 11 position?
YES >> GO TO 6.
NO >> • Mark the box on the “Diagnostic Worksheet Chart”. •Go to AT-199, "
A/T Does Not Shift: 22→ 11, When
Selector Lever "2" → "1" Position" .
• Continue “Road Test”.
6.CHECK ENGINE BRAKE
Check engine brake.
Does vehicle decelerate by engine brake?
YES >> 1. Stop vehicle. 2. Perform self-diagnosis. Refer to AT-77, "
CONSULT-
III Function (TRANSMISSION)" , AT-82, "Diagnosis
Procedure without CONSULT-III" .
NO >> • Mark the box on the “Diagnostic Worksheet Chart”. •Go to AT-201, "
Vehicle Does Not Decelerate by
Engine Brake" .
• Stop “Road Test”.
Vehicle Speed at Which Gear Shifting OccursINFOID:0000000005928101
MR16DE engine models
MR18DE engine models
• At half throttle, the accelerator opening is 4/8 of the full opening.
Vehicle Speed at Which Lock-up Occurs/ReleasesINFOID:0000000005928102
MR16DE engine models
MR18DE engine models
SAT778B
SAT778B
Throttle position Vehicle speed km/h (MPH)
D1→ D2D2→ D3D3→ D4D4→ D3D3→ D2D2→ D1
Full throttle 49 - 57
(31 - 35) 93 - 101
(58 - 62) 148 - 156
(92 - 96) 144 - 152
(90 - 94) 82 - 90
(51 - 55) 39 - 47
(25 - 29)
Half throttle 35 - 43
(22 - 26) 59 - 67
(37 - 41) 117 - 125
(73 - 77) 59 - 67
(37 - 41) 34 - 42
(22 - 26) 15 - 23
(10 - 14)
Throttle position Vehicle speed km/h (MPH)
D
1→ D2D2→ D3D3→ D4D4→ D3D3→ D2D2→ D1
Full throttle 51 - 59
(32 - 37) 97 - 105
(60 - 65) 154 - 162
(96 - 101) 150 - 158
(93 - 98) 87 - 95
(54 - 59) 40 - 48
(25 - 30)
Half throttle 34 - 42
(21 - 26) 62 - 70
(39 - 43) 124 - 132
(77 - 82) 69 - 77
(43 - 48) 36 - 44
(22 - 27) 19 - 27
(12 - 17)
Throttle position Selector lever position Vehicle speed km/h (MPH)
Lock-up ON Lock-up OFF
2.0/8 “D” position
73 - 81 (46 - 50) 49 - 57 (31 - 35)
“D” position (OD OFF) 86 - 94 (53 - 58)82 - 90 (51 - 55)
Throttle position Selector lever position Vehicle speed km/h (MPH)
Lock-up ON Lock-up OFF
2.0/8 “D” position
86 - 94 (53 - 58) 59 - 67 (37 - 42)
“D” position (OD OFF) 86 - 94 (53 - 58)83 - 91 (52 - 57)
Revision: May 2010 2011 Versa
Page 82 of 3787
TROUBLE DIAGNOSISAT-65
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
Symptom ChartINFOID:0000000005928103
Numbers are arranged in order of inspection.
Perform inspections starting with number one and work up.
Items Symptom Condition Diagnostic itemReference page
No Lock-up Engage-
ment/TCC Inoperative Torque converter is
not locked up.
ON vehicle1. Accelerator pedal position sensor
EC-415
(HR16DE), EC-
982 (MR18DE)
2. Output speed sensor and vehicle speed signal AT- 1 0 0
, AT- 1 5 3
3. Engine speed signalAT- 1 0 5
4. A/T fluid temperature sensorAT- 9 5
5. Line pressure testAT- 5 1
6. Torque converter clutch solenoid valveAT- 1 2 3
7. Control valve assemblyAT- 2 2 2
OFF vehicle 8. Torque converter AT- 2 5 7
Torque converter
clutch piston slip.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. Torque converter clutch solenoid valveAT- 1 2 3
5. Line pressure solenoid valveAT- 1 3 3
6. Control valve assemblyAT- 2 2 2
OFF vehicle 7. Torque converter AT- 2 5 7
Lock-up point is ex-
tremely high or low.ON vehicle1. Accelerator pedal position sensor
EC-415
(HR16DE), EC-
982 (MR18DE)
2. Output speed sensor and vehicle speed signal AT- 1 0 0
, AT- 1 5 3
3. Torque converter clutch solenoid valveAT- 1 2 3
4. Control valve assemblyAT- 2 2 2
Revision: May 2010 2011 Versa
Page 83 of 3787
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
Page 84 of 3787
TROUBLE DIAGNOSISAT-67
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
Improper Shift Timing Too high a gear
change point from D
1
to D
2 , from D2 to D3 ,
from D
3 to D4 . ON vehicle 1. Accelerator pedal position sensor
EC-415
(HR16DE), EC-
982 (MR18DE)
2. Output speed sensor and vehicle speed signal AT- 1 0 0
, AT- 1 5 3
3. Shift solenoid valve AAT- 1 3 8
4. Shift solenoid valve BAT- 1 4 3
Gear change directly
from D
1 to D3 occurs.ON vehicle
1. A/T fluid level
AT- 1 72. Accumulator servo releaseAT- 2 2 2
OFF vehicle 3. Brake band AT- 3 3 1
Too high a change
point from D
4 to D3 ,
from D
3 to D 2 , from
D
2 to D1 . ON vehicle
1. Accelerator pedal position sensor EC-415
(HR16DE), EC-
982 (MR18DE)
2. Output speed sensor and vehicle speed signal AT- 1 0 0
, AT- 1 5 3
Kickdown does not
operate when de-
pressing accelerator
pedal in D
4 within
kickdown vehicle
speed. ON vehicle
1. Accelerator pedal position sensor
EC-415
(HR16DE), EC-
982 (MR18DE)
2. Output speed sensor and vehicle speed signal AT- 1 0 0
, AT- 1 5 3
3. Shift solenoid valve AAT- 1 3 8
4. Shift solenoid valve BAT- 1 4 3
Kickdown operates or
engine overruns when
depressing accelera-
tor pedal in D
4 be-
yond kickdown
vehicle speed limit. ON vehicle1. Output speed sensor and vehicle speed signal
AT- 1 0 0
, AT- 1 5 3
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
Gear change from 22
to 2
3 in “2” position. ON vehicle1. Transmission range switch adjustment
AT- 2 2 52. Control cable adjustmentAT- 2 1 7
Gear change from 11
to 1
2 in “1” position. ON vehicle1. Transmission range switch adjustment
AT- 2 2 52. Control cable adjustmentAT- 2 1 7
ItemsSymptom Condition Diagnostic itemReference page
Revision: May 2010 2011 Versa
Page 85 of 3787
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
Page 86 of 3787
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
Page 87 of 3787
AT-70
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Slips/Will Not EngageVehicle will not run in
“R” position (but runs
in “D”, “2” and “1” po-
sitions). Clutch slips.
Very poor accelera-
tion.
ON vehicle
1. Control cable adjustment
AT- 2 1 7
2. Stall testAT- 5 1
3. Line pressure testAT- 5 1
4. Line pressure solenoid valveAT- 1 3 3
5. Control valve assemblyAT- 2 2 2
OFF vehicle6. Reverse clutch
AT- 2 9 7
7. High clutchAT- 3 0 2
8. Forward clutchAT- 3 0 7
9. Overrun clutchAT- 3 0 7
10. Low & reverse brakeAT- 3 1 4
Vehicle will not run in
“D” and “2” positions
(but runs in “1” and
“R” positions).ON vehicle 1. Control cable adjustment
AT- 2 1 7
OFF vehicle 2. Low one-way clutchAT- 2 5 7
Vehicle will not run in
“D”, “1”, “2” positions
(but runs in R posi-
tion). Clutch slips.
Very poor accelera-
tion.ON vehicle
1. A/T fluid level
AT- 1 7
2. Stall testAT- 5 1
3. Line pressure testAT- 5 1
4. Line pressure solenoid valveAT- 1 3 3
5. Control valve assemblyAT- 2 2 2
6. Accumulator N-DAT- 2 2 2
OFF vehicle7. Reverse clutch
AT- 2 9 7
8. High clutchAT- 3 0 2
9. Forward clutchAT- 3 0 7
10. Forward one-way clutchAT- 3 1 8
11. Low one-way clutchAT- 2 5 7
Clutches or brakes
slip somewhat in start-
ing.ON vehicle1. A/T fluid level
AT- 1 7
2. Control cable adjustmentAT- 2 1 7
3. Accelerator pedal position sensorEC-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
7. Accumulator N-DAT- 2 2 2
OFF vehicle8. Forward clutch
AT- 3 0 7
9. Reverse clutchAT- 2 9 7
10. Low & reverse brakeAT- 3 1 4
11 . O i l p u m pAT- 2 7 8
12. Torque converterAT- 2 5 7
ItemsSymptom Condition Diagnostic itemReference page
Revision: May 2010 2011 Versa
Page 88 of 3787
TROUBLE DIAGNOSISAT-71
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
Slips/Will Not Engage No creep at all.
AT- 1 8 5
, AT- 1 8 6
ON vehicle
1. A/T fluid level
AT- 1 72. Line pressure testAT- 5 1
3. Control valve assemblyAT- 2 2 2
OFF vehicle4. Forward clutch
AT- 3 0 75. Oil pumpAT- 2 7 8
6. Torque converterAT- 2 5 7
Almost no shock or
clutches slipping in
change from D
1 to D2
. 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. Accumulator servo releaseAT- 2 2 2
5. Control valve assemblyAT- 2 2 2
OFF vehicle 6. Brake band AT- 3 3 1
Almost no shock or
slipping in changing
from D
2 to D3 .ON vehicle 1. 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. Control valve assemblyAT- 2 2 2
OFF vehicle5. High clutch
AT- 3 0 26. Forward clutchAT- 3 0 7
Almost no shock or
slipping in changing
from D
3 to D4 .ON vehicle 1. 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. Control valve assemblyAT- 2 2 2
OFF vehicle 5. Brake band AT- 3 3 1
Races extremely fast
or slips in changing
from D
4 to D3 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. Control valve assemblyAT- 2 2 2
OFF vehicle7. Brake band
AT- 3 3 18. Forward clutchAT- 3 0 7
ItemsSymptom Condition Diagnostic itemReference page
Revision: May 2010 2011 Versa