
AT-3
DE
F
G H
I
J
K L
M A
B
AT
N
O
P
N
P1760 OVERRUN CLUTCH
SOLENOID .........148
Description .......................................................... ..148
CONSULT-III Reference Value in Data Monitor
Mode ................................................................... ..
148
On Board Diagnosis Logic ....................................148
Possible Cause .....................................................148
DTC Confirmation Procedure ................................148
Wiring Diagram - AT - OVRCSV ...........................149
Diagnosis Procedure .............................................150
Component Inspection ..........................................151
VEHICLE SPEED SIGNAL ...............................153
Description .......................................................... ..153
CONSULT-III Reference Value in Data Monitor
Mode ................................................................... ..
153
On Board Diagnosis Logic ....................................153
Possible Cause .....................................................153
DTC Confirmation Procedure ................................153
Wiring Diagram - AT - VSSMTR ...........................154
Diagnosis Procedure ........................................... ..155
BATT/FLUID TEMP SEN .................................156
Description .......................................................... ..156
CONSULT-III Reference Value in Data Monitor
Mode ................................................................... ..
156
On Board Diagnosis Logic ....................................156
Possible Cause .....................................................156
DTC Confirmation Procedure ................................156
Wiring Diagram - AT - BA/FTS ..............................157
Diagnosis Procedure .............................................158
Component Inspection ..........................................160
INPUT SPEED SENSOR A ..............................162
Description .......................................................... ..162
CONSULT-III Reference Value in Data Monitor
Mode ................................................................... ..
162
On Board Diagnosis Logic ....................................162
Possible Cause .....................................................162
DTC Confirmation Procedure ................................162
Wiring Diagram - AT - PT/SEN .............................163
Diagnosis Procedure .............................................164
CONTROL UNIT (RAM), CONTROL UNIT
(ROM) ...............................................................
167
Description .......................................................... ..167
On Board Diagnosis Logic ....................................167
Possible Cause .....................................................167
DTC Confirmation Procedure ................................167
Diagnosis Procedure .............................................167
MAIN POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................
168
Wiring Diagram - AT - MAIN ............................... ..168
Diagnosis Procedure .............................................169
TR SW, OD SW AND CLOSED THROTTLE,
WIDE OPEN THROTTLE POSITION SIGNAL
CIRCUIT ......................................................... ..
171
CONSULT-III Reference Value in Data Monitor
Mode ................................................................... ..
171
TCM Terminal and Reference Value .....................171
Diagnosis Procedure ........................................... ..171
Component Inspection ...........................................175
SHIFT POSITION INDICATOR CIRCUIT ........176
Description .............................................................176
CONSULT-III Reference Value in Data Monitor
Mode .................................................................... ..
176
Diagnosis Procedure .............................................176
TROUBLE DIAGNOSIS FOR SYMPTOMS ....177
Wiring Diagram - AT - NONDTC ...........................177
OD OFF Indicator Lamp Does Not Come On ........180
Engine Cannot Be Started in "P" and "N" Position ..182
In "P" Position, Vehicle Moves Forward or Back-
ward When Pushed ...............................................
183
In "N" Position, Vehicle Moves ..............................183
Large Shock "N" → "R" Position .......................... ..184
Vehicle Does Not Creep Backward in "R" Position ..185
Vehicle Does Not Creep Forward in "D", "2" or "1"
Position ................................................................ ..
186
Vehicle Cannot Be Started from D1 .......................187
A/T Does Not Shift: D1→ D2or Does Not Kick-
down: D
4→ D2 ..................................................... ..189
A/T Does Not Shift: D2→ D3 ................................ ..190
A/T Does Not Shift: D3→ D4 ................................ ..192
A/T Does Not Perform Lock-up ........................... ..193
A/T Does Not Hold Lock-up Condition ...................194
Lock-up Is Not Released .......................................195
Engine Speed Does Not Return to Idle (Light
Braking D
4→ D3) ................................................. ..196
A/T Does Not Shift: D4→ D3, When OD OFF ...... ..197
A/T Does Not Shift: D3→ 22, When Selector Lever
"D" → "2" Position ............................................... ..
198
A/T Does Not Shift: 22→ 11, When Selector Lever
"2" → "1" Position ................................................ ..
199
Vehicle Does Not Decelerate by Engine Brake ... ..201
TCM Self-Diagnosis Does Not Activate .................204
A/T SHIFT LOCK SYSTEM .............................206
Description .............................................................206
Shift Lock System Parts Location ..........................207
Wiring Diagram - AT - SHIFT ................................208
Diagnosis Procedure .............................................208
TRANSMISSION CONTROL MODULE ..........212
Removal and Installation .......................................212
SHIFT CONTROL SYSTEM ............................213
A/T Shift Selector Removal and Installation ........ ..213
A/T Shift Selector Disassembly and Assembly ......216
Shift Lever Handle Removal and Installation .........216
Adjustment of A/T Position ....................................217
Checking of A/T Position .......................................217
KEY INTERLOCK CABLE ..............................219
Removal and Installation .......................................219
ON-VEHICLE SERVICE ..................................222
Control Valve Assembly and Accumulators ...........222
Revision: January 20102010 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-405
(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-405
(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-405
(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-405
(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: January 20102010 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-405
(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-405
(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-405
(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: January 20102010 Versa

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-405
(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: January 20102010 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-405
(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-405
(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-405
(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: January 20102010 Versa

TROUBLE DIAGNOSISAT-73
< SERVICE INFORMATION >
DE
F
G H
I
J
K L
M A
B
AT
N
O P
Others Engine cannot be
started in “P” and “N”
positions.
AT- 1 8 2
ON vehicle
1. Ignition switch and starter
PG-4
, SC-9
2. Control cable adjustmentAT- 2 1 7
3. Transmission range switch adjustmentAT- 2 2 5
Engine starts in posi-
tions other than “P”
and “N”.ON vehicle
1. Control cable adjustment
AT- 2 1 7
2. Transmission range switch adjustmentAT- 2 2 5
Transaxle noise in“ P”
and “N” positions.ON vehicle1. A/T fluid level
AT- 1 7
2. Line pressure testAT- 5 1
3. Accelerator pedal position sensorEC-405
(HR16DE), EC-
982 (MR18DE)
4. Output speed sensor and vehicle speed signal AT- 1 0 0
, AT- 1 5 3
OFF vehicle5. Oil pump
AT- 2 7 86. Torque converterAT- 2 5 7
Vehicle moves when
changing into “P” po-
sition or parking gear
does not disengage
when shifted out of “P”
position.ON vehicle 1. Control cable adjustment
AT- 2 1 7
OFF vehicle 2. Parking componentsAT- 2 3 7
Vehicle runs in “N” po-
sition.
AT- 1 8 3
ON vehicle 1. Control cable adjustmentAT- 2 1 7
OFF vehicle2. Forward clutch
AT- 3 0 73. Reverse clutchAT- 2 9 7
4. Overrun clutchAT- 3 0 7
Vehicle braked when
shifting into “R” posi-
tion.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
5. Control valve assemblyAT- 2 2 2
OFF vehicle6. High clutch
AT- 3 0 27. Brake band AT- 3 3 1
8. Forward clutchAT- 3 0 7
9. Overrun clutchAT- 3 0 7
Excessive creep. ON vehicle 1. Engine idling speed EC-24
(HR16DE), EC-
578 (MR18DE)
Engine stops when
shifting lever into “R”,
“D”, “2” and “1” posi-
tions. ON vehicle
1. Engine idling speed
EC-24
(HR16DE), EC-
578 (MR18DE)
2. A/T fluid level AT- 1 7
3. Torque converter clutch solenoid valveAT- 1 2 3
4. Control valve assemblyAT- 2 2 2
OFF vehicle 5. Torque converter AT- 2 5 7
ItemsSymptom Condition Diagnostic itemReference page
Revision: January 20102010 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-405
(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: January 20102010 Versa

AT-80
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
*1: Refer to AT- 4 1 , "Malfunction Indicator Lamp (MIL)" .
*2: These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL.
DATA MONITOR MODE
Display Items List
X: Standard, —: Not applicable, : Option
SHIFT SOLENOID A • TCM detects an improper voltage drop when it tries to operate the so-
lenoid valve. P0750
AT- 1 3 8
SHIFT SOLENOID B • TCM detects an improper voltage drop when it tries to operate the so-
lenoid valve. P0755
AT- 1 4 3
OVER CLUTCH SOLE-
NOID • TCM detects an improper voltage drop when it tries to operate the so-
lenoid valve. P1760
AT- 1 4 8
VHCL SPEED SEN-
MTR • TCM does not receive the proper voltage signal from the sensor.
—AT- 1 5 3
BATT/FLUID TEMP
SEN • TCM receives an excessively low or high voltage from the sensor.
—AT- 1 5 6
INPUT SPEED SEN-
SOR A • TCM does not receive proper voltage signal from sensor.
—AT- 1 6 2
CONTROL UNIT (RAM) • TCM memory (RAM) is malfunctioning. —AT- 1 6 7
CONTROL UNIT (ROM) • TCM memory (ROM) is malfunctioning. —AT- 1 6 7
No failure
(NO SELF DIAGNOS-
TIC FAILURE INDICAT-
ED FURTHER
TESTING MAY BE RE-
QUIRED) • No failure has been detected.
——
Items (CONSULT-III
screen terms) Malfunction is detected when... OBD-II (DTC)
Reference page
MIL indicator
lamp*1, “EN-
GINE” with
CONSULT-III or GST
Monitored item (Unit) Monitor Item Selection
Remarks
TCM INPUT
SIGNALS MAIN SIG-
NALS SELEC-
TION FROM MENU
VHCL/S SE-A/T (km/h) X— Output speed sensor
VHCL/S SE-MTR (km/h) X— Vehicle speed display may not be accu-
rate under approx. 10 km/h (6 mph). It
may not indicate 0 km/h (0 mph) when
vehicle is stationary.
THRTL POS SEN (V) X—
FLUID TEMP SE (V) X—
BATTERY VOLT (V) X—
ENGINE SPEED (rpm) XX
INPUT SPEED (rpm) X—
OVERDRIVE SW (ON/OFF) X—
PN POSI SW (ON/OFF) X—
R POSITION SW (ON/OFF) X—
D POSITION SW (ON/OFF) X—
Revision: January 20102010 Versa