2007 NISSAN LATIO engine

AT-224
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: June 20062007 Versa
2. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine)
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3. Read out “OVERDRIVE SW”.
Check the signal of the overdrive control switch is indicated
properly.
Without CONSULT-II
1. Turn ignition switch ON. (Do not start engine)
2. Check voltage between A/T device harness connector terminal
and ground. Refer to AT-193, "
Wiring Diagram — AT — NON-
DTC" .
OK or NG
OK (With CONSULT-II)>>GO TO 3.
OK (Without CONSULT-II)>>GO TO 4.
NG >> Check overdrive control switch. Refer to AT-191, "
OVERDRIVE CONTROL SWITCH" .
Item nameOverdrive control switch
ConditionDisplay value
OVERDRIVE SWDepressed ON
Released OFF
SCIA4730E
Item Connector TerminalOverdrive
control switch
ConditionJudge-
ment
standard
(Approx.)
A/T device harness
connector (Overdrive
control switch)M38 1 - GroundReleasedBattery
voltage
Depressed 0V
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TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-225
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Revision: June 20062007 Versa
3. CHECK PNP SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “TCM INPUT SIGNALS” in “DATA MONITOR” mode for
“A/T” with CONSULT-II.
3. Read out “P·N”, “R”, “D”, “2” and “1” position switches moving
selector lever to each position.
OK or NG
OK >> GO TO 5
NG >> Check PNP switch. Refer to AT-191, "
PNP SWITCH" .
4. CHECK PNP SWITCH CIRCUIT
Without CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between TCM connector terminals and ground
while moving selector lever through each position. Refer to AT-
98, "Wiring Diagram — AT — PNP/SW" .
B: Battery voltage
0: 0V
OK or NG
OK >> GO TO 5
NG >> Check PNP switch. Refer to AT-191, "
PNP SWITCH" .
Monitor item Condition Display value
PN POSI SWWhen setting selector lever to “N” or “P” posi-
tion.ON
When setting selector lever to other positions. OFF
R POSITION SWWhen setting selector lever to “R” position. ON
When setting selector lever to other positions. OFF
D POSITION SWWhen setting selector lever to “D” positions. ON
When setting selector lever to other positions. OFF
2 POSITION SWWhen setting selector lever to “2” position. ON
When setting selector lever to other positions. OFF
1 POSITION SWWhen setting selector lever to “1” position. ON
When setting selector lever to other positions. OFF
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Selector lever positionTe r m i n a l
36 35 34 27 26
“P”, “N” B 0 0 0 0
“R” 0 B 0 0 0
“D” 0 0 B 0 0
“2” 000B0
“1” 0000B
SCIA7162E

AT-234
SHIFT CONTROL SYSTEM
Revision: June 20062007 Versa
Checking of A/T PositionUCS005VL
1. Place selector lever in “P” position, and turn ignition switch ON (Do not start engine).
2. Make sure selector lever can be shifted to other than “P” position when brake pedal is depressed. Also
make sure selector lever can be shifted from “P” position only when brake pedal is depressed.
3. Move selector lever and check for excessive effort, sticking, noise or rattle.
4. Confirm selector lever stops at each position with the feel of engagement when it is moved through all the
positions. Check whether or not the actual position selector lever is in matches the position shown by the
shift position indicator and the transaxle.
5. The method of operating selector lever to individual positions
correctly should be as shown.

(A): Press selector button to operate selector lever, while
depressing the brake pedal.

(B): Press selector button to operate selector lever.

(C): Selector lever can be operated without pressing selector
button.
6. Confirm back-up lamps illuminate only when selector lever is
placed in “R” position. Confirm back-up lamps do not illuminate
when selector lever is in “P” or “N” position even if it is pushed
toward “R” position without pressing selector button.
7. Confirm engine can only be started with selector lever in “P” and “N” positions.
8. Make sure A/T is locked completely in “P” position.
WCIA0636E

A/T SHIFT LOCK SYSTEM
AT-237
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Revision: June 20062007 Versa
Diagnostic ProcedureUCS005VP
SYMPTOM 1:

Selector lever cannot be moved from “P” position with ignition switch in ON position and brake
pedal depressed.

Selector lever can be moved from “P” position with ignition key in ON position and brake pedal
released.

Selector lever can be moved from “P” position when ignition switch is removed from key cylinder.
SYMPTOM 2:

Ignition key cannot be removed when selector lever is set to “P” position.

Ignition key can be removed when selector lever is set to any position except “P” position.
1. CHECK KEY INTERLOCK CABLE
Check key interlock cable for damage.
OK or NG
OK >> GO TO 2.
NG >> Repair key interlock cable. Refer to AT-239, "
Removal and Installation" .
2. CHECK A/T POSITION
Check A/T position. Refer to AT-234, "
Checking of A/T Position" .
OK or NG
OK >> GO TO 3.
NG >> Adjust control cable. Refer to AT-233, "
Adjustment of A/T Position" .
3. CHECK SHIFT LOCK SOLENOID AND PARK POSITION SWITCH
1. Turn ignition switch ON. (Do not start engine.)
2. Selector lever is set in “P” position.
3. Check operation sound.
OK or NG
OK >>INSPECTION END
NG >> GO TO 4.
4. CHECK POWER SOURCE
1. Turn ignition switch ON. (Do not start engine.)
2. Check voltage between A/T device harness connector terminal
5 and ground.
OK or NG
OK >> GO TO 7.
NG >> GO TO 5.
Condition Brake pedal Operation sound
When ignition switch is turned to ON position and selector lever is set in
“P” position.Depressed Yes
Released No
Voltage:
Brake pedal depressed: Battery voltage
Brake pedal released: 0V
SCIA7171E

AT-242
ON-VEHICLE SERVICE
Revision: June 20062007 Versa
ON-VEHICLE SERVICEPFP:00000
Control Valve Assembly and AccumulatorsUCS005VR
COMPONENTS
REMOVAL AND INSTALLATION
Removal
1. Disconnect the battery negative terminal.
2. Remove engine under cover and fender protector (LH). Refer to EI-22, "
Removal and Installation" .
3. Drain the A/T fluid. Refer to AT-16, "
A/T FLUID" .
4. Remove oil pan and oil pan gasket.
5. Check for foreign materials in oil pan to help determine cause of
malfunction. If the ATF is very dark, smell burned or contains for-
eign particles, friction material (clutches, band) may need
replacement. A tacky film that will not wipe clean indicates var-
nish build up. Varnish can cause valves, servo, and clutches to
stick and can inhibit pump pressure.

If ATF contains frictional material (clutch, bands, etc.),
replace radiator and flush cooler line using cleaning sol-
vent and compressed air after repair of A/T. Refer to CO-
11, "RADIATOR" .
6. Remove magnets from oil pan.
1. A/T 2. O-ring 3. Return spring
4. Control valve assembly 5. Oil pan gasket 6. Oil pan
7. Drain plug gasket 8. Drain plug 9. Magnet
10. Oil pan fitting bolt 11. Snap ring 12. O-ring
13. Servo release accumulator piston 14. N-D accumulator piston 15. O-ring
16. Return spring 17. Lip seal
SCIA8024E
SCIA8025E

TRANSAXLE ASSEMBLY
AT-253
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TRANSAXLE ASSEMBLYPFP:32020
Removal and InstallationUCS005VX
COMPONENTS
REMOVAL
1. Remove the engine and transaxle as an assembly. Refer to EM-73, "Removal and Installation" .
1. A/T fluid level gauge 2. A/T fluid charging pipe 3. O-ring
4. Fluid cooler tube 5. Copper washer 6. Bracket
7. Fluid cooler tube 8. A/T assembly 9. Engine mounting bracket (LH)
10. Bracket A. Refer to AT- 2 5 4 , "
INSTALLATION" .
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AT-254
TRANSAXLE ASSEMBLY
Revision: June 20062007 Versa
2. Disconnect the following connectors and remove the wire har-
ness.

Turbine revolution sensor (power train revolution sensor) har-
ness connector (1)

Terminal cord assembly harness connector (2)

PNP switch connector (3)

Revolution sensor harness connector (4)
3. Remove the four drive plate to torque converter bolts.
NOTE:
Rotate the crankshaft clockwise as viewed from front of engine
for access to drive plate to torque converter bolts.
4. Put matching marks on the drive plate and torque converter.
CAUTION:
For matching marks, use paint. Never damage the drive plate or torque converter.
5. Remove the transaxle to engine and engine to transaxle bolts.
6. Separate the transaxle from the engine.
CAUTION:
Secure torque converter to prevent it from dropping.
7. If necessary, remove the following from the transaxle:

Fluid cooler tubes (1) and copper washers

A/T fluid level gauge (2) and charging pipe (3)

PNP switch

Air breather hose

Engine mounting bracket (LH)

Any necessary brackets
INSTALLATION
Installation is in the reverse order of removal.
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WCIA0616E
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TRANSAXLE ASSEMBLY
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Revision: June 20062007 Versa
CAUTION:

When replacing an engine or transmission you must make sure any dowels are installed correctly
during re-assembly.

Improper alignment caused by missing dowels may cause vibration, oil leaks or breakage of drive
train components.

Do not reuse O-rings and copper washers. Refer to AT- 2 5 3 , "COMPONENTS" .

When turning crankshaft, turn it clockwise as viewed from the front of the engine.

When tightening the bolts for the torque converter while securing the crankshaft pulley bolt, be
sure to confirm the tightening torque of the crankshaft pulley bolt. Refer to EM-37, "
TIMING
CHAIN" .

After converter is installed to drive plate, rotate crankshaft several turns to check that transaxle
rotates freely without binding.

When installing the torque converter to the transaxle measure
distance A.

Check the fitting of the dowel pins when installing the transaxle
assembly and the engine assembly.
: Dowel pin (2)

When installing the transaxle to the engine, align the matching mark on the drive plate with the matching
mark on the torque converter.

When securing the transaxle to the engine, attach the bolts in
accordance with the following standard.
(A): A/T to engine
(B): Engine to A/TDimension A: 14.4 mm (0.567 in) or more
SAT4 3 0D
SCIA7698E
Bolt No. 1 2
Number of bolts 2 7
Bolt length “L”
[mm (in)]55 (2.17) 50 (1.97)
Tightening torque
[N·m (kg-m, ft-lb)]62 (6.3, 46)
SCIA7685E