2009 NISSAN LATIO torque

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Others 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-216OFF vehicle 2. Parking components
AT-236Vehicle runs in “N” po-
sition.
AT-184 ON vehicle 1. Control cable adjustment
AT-216OFF vehicle
2. Forward clutch
AT-306 3. Reverse clutch
AT-296 4. Overrun clutch
AT-306Vehicle braked when
shifting into “R” posi-
tion. ON vehicle
1. A/T fluid level
AT-17 2. Control cable adjustment
AT-216 3. Line pressure test
AT-51 4. Line pressure solenoid valve
AT-134 5. Control valve assembly
AT-221 OFF vehicle
6. High clutch
AT-301 7. Brake band
AT-330 8. Forward clutch
AT-306 9. Overrun clutch
AT-306Excessive creep. ON vehicle 1. Engine idling speed
EC-30
(HR16DE), EC- 570 (MR Type 1)
or EC-1082 (MR
Type 2)
Engine stops when
shifting lever into “R”,
“D”, “2” and “1” posi-
tions. ON vehicle
1. Engine idling speed
EC-30
(HR16DE), EC- 570 (MR Type 1)
or EC-1082 (MR
Type 2)
2. A/T fluid level AT-17 3. Torque converter clutch solenoid valve
AT-124 4. Control valve assembly
AT-221 OFF vehicle 5. Torque converter
AT-256Vehicle braked by
gear change from D 1
to D 2 . ON vehicle 1. A/T fluid level
AT-17OFF vehicle
2. Reverse clutch
AT-296 3. Low & reverse brake
AT-313 4. High clutch
AT-301 5. Low one-way clutch
AT-256Vehicle braked by
gear change from D 2
to D 3 . ON vehicle 1. A/T fluid level
AT-17OFF vehicle 2. Brake band
AT-330Vehicle braked by
gear change from D 3
to D 4 . ON vehicle 1. A/T fluid level
AT-17OFF vehicle
2. Overrun clutch
AT-306 3. Forward one-way clutch
AT-317 4. Reverse clutch
AT-296Items Symptom Condition Diagnostic item Reference page

2. PNP switch adjustment
AT-224 3. Overdrive control switch
AT-172 4. Accelerator pedal position sensor
EC-412
(HR16DE), EC- 959 (MR Type 1)
or EC-1481 (MR
Type 2)
5. Vehicle speed sensor·A/T (Revolution sensor)
and vehicle speed sensor·MTR AT-101 ,
AT-154 6. Shift solenoid valve A
AT-139 7. Shift solenoid valve B
AT-144 8. Control valve assembly
AT-221 OFF vehicle
9. Reverse clutch
AT-296 10. High clutch
AT-301 11. Brake band
AT-330 12. Low & reverse brake
AT-313 13. Oil pump
AT-277 14. Torque converter
AT-256Transaxle noise in
“D”, “2”, “1” and “R”
positions. ON vehicle 1. A/T fluid level
AT-17OFF vehicle 2. Torque converter
AT-256Engine brake does
not operate in “1” po-
sition. ON vehicle1. PNP switch adjustment
AT-224 2. Control cable adjustment
AT-216 3. Vehicle speed sensor·A/T (Revolution sensor)
and vehicle speed sensor·MTR AT-101 ,
AT-154 4. Control valve assembly
AT-221 5. Overrun clutch solenoid valve
AT-149 OFF vehicle
6. Overrun clutch
AT-306 7. Low & reverse brake
AT-313Transaxle overheats.
ON vehicle1. A/T fluid level
AT-17 2. Engine idling speed
EC-30
(HR16DE), EC- 570 (MR Type 1)
or EC-1082 (MR
Type 2)
3. Accelerator pedal position sensor EC-412
(HR16DE), EC- 959 (MR Type 1)
or EC-1481 (MR
Type 2)
4. Line pressure test AT-51 5. Line pressure solenoid valve
AT-134 6. Control valve assembly
AT-221 OFF vehicle
7. Oil pump
AT-277 8. Reverse clutch
AT-296 9. High clutch
AT-301 10. Brake band
AT-330 11. Forward clutch
AT-306 12. Overrun clutch
AT-306Items Symptom Condition Diagnostic item Reference page

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TCM Terminal and Reference Value
INFOID:0000000004305329
TCM HARNESS CONNECTOR TERMINAL LAYOUT
Terminals and Reference Values for TCM TCM terminal data are reference values, measured between each terminal and ground. Others
ATF shoots out during
operation.
White smoke emitted
from exhaust pipe
during operation. ON vehicle 1. A/T fluid level
AT-17OFF vehicle
2. Reverse clutch
AT-296 3. High clutch
AT-301 4. Brake band
AT-330 5. Forward clutch
AT-306 6. Overrun clutch
AT-306 7. Low & reverse brake
AT-313Unusual smell at A/T
fluid charging pipe. ON vehicle 1. A/T fluid level
AT-17OFF vehicle
2. Torque converter
AT-256 3. Oil pump
AT-277 4. Reverse clutch
AT-296 5. High clutch
AT-301 6. Brake band
AT-330 7. Forward clutch
AT-306 8. Overrun clutch
AT-306 9. Low & reverse brake
AT-313Items Symptom Condition Diagnostic item Reference page

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CAN DIAGNOSTIC SUPPORT MONITOR MODE
Refer to LAN-14, " CAN Diagnostic Support Monitor " .
DTC & SRT CONFIRMATION
Display Items List
Diagnosis Procedure without CONSULT-III INFOID:0000000004305331
TCM SELF-DIAGNOSTIC PROCEDURE
THROTTLE POSI (0.0/8) — X
Degree of opening for accelerator recog-
nized by the TCM
For fail-safe operation, the specific value
used for control is displayed.
LINE PRES DTY (%) — X
TCC S/V DUTY (%) — X
SHIFT S/V A (ON/OFF) — X
SHIFT S/V B (ON/OFF) — X
OVERRUN/C S/V (ON/OFF) — X
SELF-D DP LMP (ON/OFF) — X
TC SLIP RATIO (0.000) — —
TC SLIP SPEED (rpm) — — Difference between engine speed and
torque converter input shaft speed
Monitored item (Unit)
Monitor Item Selection
Remarks
TCM INPUT
SIGNALS MAIN SIG-
NALS SELEC-
TION FROM
MENU DTC work support item Description Check item
1ST GR FNCTN P0731 Following items for “A/T 1st gear function (P0731)” can be con-
firmed.
• Self-diagnosis status (whether the diagnosis is being performed or not)
• Self-diagnostic results (OK or NG) • Shift solenoid valve A
• Shift solenoid valve B
• Each clutch
• Hydraulic control circuit
2ND GR FNCTN P0732 Following items for “A/T 2nd gear function (P0732)” can be con-
firmed.
• Self-diagnosis status (whether the diagnosis is being performed or not)
• Self-diagnostic results (OK or NG) • Shift solenoid valve B
• Each clutch
• Hydraulic control circuit
3RD GR FNCTN P0733 Following items for “A/T 3rd gear function (P0733)” can be con-
firmed.
• Self-diagnosis status (whether the diagnosis is being performed
or not)
• Self-diagnostic results (OK or NG) • Shift solenoid valve A
• Each clutch
• Hydraulic control circuit
4TH GR FNCTN P0734 Following items for “A/T 4th gear function (P0734)” can be con-
firmed.
• Self-diagnosis status (whether the diagnosis is being performed or not)
• Self-diagnostic results (OK or NG) • Shift solenoid valve A
• Shift solenoid valve B
• Overrun clutch solenoid valve
• Line pressure solenoid valve
• Each clutch
• Hydraulic control circuit
TCC S/V FNCTN P0744 Following items for “A/T TCC S/V
function (lock-up) (P0744)” can
be confirmed.
• Self-diagnosis status (whether the diagnosis is being performed or not)
• Self-diagnostic results (OK or NG) • Torque converter clutch sole-
noid valve
• Each clutch
• Hydraulic control circuit

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DTC P0732 A/T 2ND GEAR FUNCTION
Description INFOID:0000000004305373
• This malfunction will not be detected while the OD OFF indicator lamp is indicating another self-diagnosis malfunction.
• This malfunction is detected when the A/T does not shif t into second gear position as instructed by the TCM.
This is not caused by electrical malfunction (circuit s open or shorted) but by mechanical malfunction such as
control valve sticking, improper solenoid valve operation, etc.
On Board Diagnosis Logic INFOID:0000000004305374
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0732 A/T 2ND GR FNCTN” with CONSULT-III is detected when A/T cannot be
shifted to the 2nd gear position even if electrical circuit is good.
• This diagnosis monitors actual gear position by checki ng the torque converter slip ratio calculated by TCM
as follows:
Torque converter slip ratio = A x C/B
A: Output shaft revolution signal from revolution sensor
B: Engine speed signal from ECM
C: Gear ratio determined as gear position which TCM supposes
If the actual gear position is higher than the position (2nd) supposed by TCM, the slip ratio will be more than
normal. In case the ratio exceeds the specif ied value, TCM judges this diagnosis malfunction.
This malfunction will be caused when shift solenoid valve B is stuck open.
• Gear positions supposed by TCM are as follows: In case of gear position with no malfunctions: 1, 2, 3 and 4 positions
In case of gear position with shift solenoid valve B stuck open: 4, 3*, 3 and 4 positions to each gear position
above
*: “P0732 A/T 2ND GR FNCTN” is detected.
Possible Cause INFOID:0000000004305375
• Shift solenoid valve B
• Each clutch
• Hydraulic control circuit
DTC Confirmation Procedure INFOID:0000000004305376
CAUTION:
• Always drive vehicle at a safe speed.
• If performing this “DTC Confirmation Procedure” again, always turn ignition switch OFF and wait at
least 10 seconds before continuing.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Start engine and select “DATA MONITOR” m ode for “TRANSMISSION” with CONSULT-III.
2. Touch “START”.
3. Make sure that output voltage of A/T fluid temperature sensor is within the range below. FLUID TEMP SE: 0.4 - 1.5 V
If out of range, drive the vehicle to decrease the vo ltage (warm up the fluid) or stop engine to increase the
voltage (cool down the fluid).
4. Select “2ND GR FNCTN P0732” of “DTC & SR T CONFIRMATION” mode for “TRANSMISSION” with
CONSULT-III and touch “START”.
5. Accelerate vehicle to 45 to 50 km/h (28 to 31 MPH) under the following conditions and release the accel- erator pedal completely.
THROTTLE POSI: L ess than 1.0/8
SLCT LVR POSI: “D” position Gear position 1 2 3 4
Shift solenoid valve A ON (Closed) OFF (Open) OFF (Open) ON (Closed)
Shift solenoid valve B ON (Closed) ON (Closed) OFF (Open) OFF (Open)

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DTC P0734 A/T 4TH GEAR FUNCTION
Description INFOID:0000000004305383
• This malfunction will not be detected while the OD OFF indicator lamp is indicating another self-diagnosis malfunction.
• This malfunction is detected when the A/T does not shif t into fourth gear position or the torque converter
clutch does not lock up as instructed by the TCM. This is not caused by electrical malfunction (circuits open
or shorted) but by mechanical malfunction such as c ontrol valve sticking, improper solenoid valve operation,
malfunctioning oil pump or torque converter clutch, etc.
CONSULT-III Reference Val ue in Data Monitor Mode INFOID:0000000004305384
Remarks: Specification data are reference values.
On Board Diagnosis Logic INFOID:0000000004305385
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0734 A/T 4TH GR FNCTN” with CONSULT-III is detected when A/T cannot be
shifted to the 4th gear position even if electrical circuit is good.
• This diagnosis monitors actual gear position by checki ng the torque converter slip ratio calculated by TCM
as follows:
Torque converter slip ratio = A x C/B
A: Output shaft revolution signal from revolution sensor
B: Engine speed signal from ECM
C: Gear ratio determined as gear position which TCM supposes
If the actual gear position is much lower than the pos ition (4th) supposed by TCM, the slip ratio will be much
less than normal. In case the ratio does not reach t he specified value, TCM judges this diagnosis malfunc-
tion.
This malfunction will be caused when shift solenoid valve A is stuck open or shift solenoid valve B is stuck
closed.
• Gear positions supposed by TCM are as follows.
In case of gear position with no malfunctions: 1, 2, 3 and 4 positions
In case of gear position with shift solenoid valve A stuck open: 2, 2, 3 and 3* positions
In case of gear position with shift solenoid valve B stuck closed: 1, 2, 2 and 1* positions to each gear position
above
*: “P0734 A/T 4TH GR FNCTN” is detected.
Possible Cause INFOID:0000000004305386
• Shift solenoid valve A
• Shift solenoid valve B
• Line pressure solenoid valve
• Each clutch
• Hydraulic control circuit
DTC Confirmation Procedure INFOID:0000000004305387
CAUTION:
• Always drive vehicle at a safe speed.
• If performing this “DTC Confirmation Procedure” again, always turn ignition switch OFF and wait at
least 10 seconds before continuing.
After the repair, perform the following procedure to confirm the malfunction is eliminated. Gear position 1 2 3 4
Shift solenoid valve A ON (Closed) OFF (Open) OFF (Open) ON (Closed)
Shift solenoid valve B ON (Closed) ON (Closed) OFF (Open) OFF (Open) Item name Condition Display value (Approx.)
LINE PRES DTY Small throttle opening (Low line pressure)
⇔ Large
throttle opening (High line pressure) 0%
⇔ 94%

OK >> GO TO 5.
NG >> GO TO 2. OK >> GO TO 5.
NG >> GO TO 3. Name
Connec-
tor Terminal Condition Judgement
standard
(Approx.)
Torque con-
verter clutch
solenoid
valve E31 3 - Ground When A/T performs lock-
up. 8 - 15 V
When A/T does not per-
form lock-up. 0 V

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3. Check continuity between terminal cord assembly harness con-
nector terminal and TCM connector terminal.
4. If OK, check harness for short to ground and short to power.
5. If OK, check continuity between ground and transaxle assembly.
6. Reinstall any part removed.
OK or NG OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors. OK >> GO TO 5.
NG >> Repair or replace damaged parts. DTC Confirmation Procedure " .
OK or NG OK >>
INSPECTION END
NG >> GO TO 6. TCM Terminal and Reference Value " .
2. If NG, recheck TCM pin terminals for dam age or loose connection with harness connector.
OK or NG OK >>
INSPECTION END
NG >> Repair or replace damaged parts.
Component Inspection INFOID:0000000004305396
TORQUE CONVERTER CLUTCH SOLENOID VALVE • For removal, refer to AT-221, " Control Valve Assembly and Accumulators " .
Resistance Check Item Connector Terminal Continuity
TCM E31 3 Yes
Terminal cord assembly
harness connector F30 5