stop start NISSAN LATIO 2011 Service Repair Manual
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A/T FLUIDAT-17
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A/T FLUID
Checking A/T FluidINFOID:0000000005928070
1. Warm up engine.
2. Check for A/T fluid leakage.
3. Before driving, A/T fluid level can be checked at A/T fluid tem- peratures of 30° to 50°C (86° to 122° F) using the “COLD” range
on A/T fluid level gauge.
• A : Front side
• B : Reverse side
•C : Add
• D : OK
a. Park vehicle on level surface and set parking brake.
b. Start engine and move selector lever through each gear posi- tion. Leave selector lever in “P” position.
c. Check A/T fluid level with engine idling.
d. Remove A/T fluid level gauge and wipe clean with lint-free cloth. CAUTION:
When wiping the A/T fluid l evel gauge, always use lint-free
cloth.
e. Re-insert A/T fluid level gauge into A/T fluid charging pipe as far as it will go.
CAUTION:
Firmly fix the A/T fluid level ga uge to the A/T fluid charging
pipe using the stopper attached.
f. Remove A/T fluid level gauge and note reading. If reading is at low side of range, add A/T fluid to the A/T fluid charging pipe.
CAUTION:
Do not overfill.
4. Drive vehicle for approximately 5 minutes.
5. Re-check A/T fluid level at A/T fluid temperatures of 50° to 80 °C (122° to 176°F) using “HOT” range on A/
T fluid level gauge.
CAUTION:
• When wiping the A/T fluid level gauge, always use lint-free cloth.
• Firmly fix the A/T fluid level ga uge to the A/T fluid charging pipe using the stopper attached.
6. Check A/T fluid condition and make any necessary repairs. Refer to AT-51, "
Inspections Before Trouble
Diagnosis". If the A/T fluid contains frictional material (clutches, bands, etc.), or if the A/T is repaired, over-
hauled, or replaced, inspect and clean the A/T fluid cooler mounted in the radiator. Refer to AT-18, "
A/T
Fluid Cooler Cleaning".
7. Install the removed A/T fluid level gauge into the A/T fluid charging pipe. CAUTION:
Firmly fix the A/T fluid level gaug e to the A/T fluid charging pipe using the stopper attached.
Changing A/T FluidINFOID:0000000005928071
1. Warm up A/T fluid.
2. Stop engine.
3. Drain A/T fluid by removing the drain plug. Re install the drain plug to the specified torque.
CAUTION:
Do not reuse drain plug gasket.
4. Refill the transaxle with new specified A/T fluid through the A/T fluid charging pipe. Always refill the tran- saxle with the same volume of A/T fluid that was drained out.
AWDIA0660GB
SMA051D
Drain plug: Refer to AT-237, "Component".
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ON BOARD DIAGNOSTIC (OBD) SYSTEMAT-41
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The OD OFF indicator lamp is located on the combination meter.
1. If the ignition switch stays ON after repair work, be su re to turn ignition switch OFF once. Wait at least 10
seconds and then turn it ON (engine stopped) again.
2. Perform “TCM SELF-DIAGNOSTIC PR OCEDURE (No Tools)”. Refer to AT-82, "
Diagnosis Procedure
without CONSULT-III". (The engine warm-up step can be skipped when performing the diagnosis only to
erase the DTC.)
3. Perform “OBD-II SELF-DIAGNOSTIC PROCEDURE (No tools)”. Refer to EC-95, "
Diagnosis Description"
(HR16DE), EC-542, "Emission-related Diagnostic Information" (MR18DE).
Malfunction Indicator Lamp (MIL)INFOID:0000000005928088
DESCRIPTION
The MIL is located on the instrument panel.
1. The MIL will light up when the ignition switch is turned ON with-
out the engine running. This is a bulb check.
• If the MIL does not light up, refer to DI-21, "
Schematic", EC-
450, "Wiring Diagram" (HR16DE), EC-1033, "Wiring Diagram"
(MR18DE).
2. When the engine is start ed, the MIL should go off.
• If the MIL remains on, the on board diagnostic system has detected an engine system malfunction.
SEF217U
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AT-56
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TROUBLE DIAGNOSIS
• Before road test, familiarize yourself with all test procedures anditems to check.
• Test all inspection items until the symptom is uncovered. Include
NG items in “Diagnostic Wo rksheet Chart”(Refer to AT- 4 3
). Per-
form a diagnosis of the NG items after the completion of all the
road tests.
Check Before Engine Is StartedINFOID:0000000005928096
1.CHECK OD OFF INDICATOR LAMP
1. Park vehicle on flat surface.
2. Move selector lever to “P” position.
3. Turn ignition switch OFF. Wait at least 5 seconds.
4. Turn ignition switch ON. (Do not start engine.)
Does OD OFF indicator lamp come on for about 2 seconds?
YES >> 1. Turn ignition switch OFF. 2. Perform self-diagnosis and note NG items.Refer to AT-77, "
CONSULT-III Function (TRANS-
MISSION)" , AT-82, "Diagnosis Procedure without
CONSULT-III" .
3. Go to AT-56, "
Check at Idle" .
NO >> Stop “Road Test”. Go to AT-180, "
OD OFF Indicator
Lamp Does Not Come On" .
Check at IdleINFOID:0000000005928097
1.CHECK ENGINE START
1. Park vehicle on flat surface.
2. Turn ignition switch ON. (Do not start engine.)
3. Move selector lever to “P” or “N” position.
4. Turn ignition switch to “START” position.
Is engine started?
YES >> GO TO 2.
NO >> • Stop “Road Test”. Mark the box on the “Diagnostic Worksheet Chart”.
•Go to AT-182, "
Engine Cannot Be Started in "P" and
"N" Position" .
2.CHECK ENGINE START
1. Turn ignition switch ON. (Do not start engine.)
SAT496G
SAT772B
SCIA7140E
SAT769B
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TROUBLE DIAGNOSISAT-57
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2. Move selector lever to “R”, “D”, “2” or “1” position.
3. Turn ignition switch to “START” position.
Is engine started?
YES >> • Stop “Road Test”. Mark the box on the “Diagnostic Worksheet Chart”.
•Go to AT-182, "
Engine Cannot Be Started in "P" and
"N" Position" .
• Continue “Road Test”.
NO >> GO TO 3.
3.CHECK VEHICLE MOVE
1. Move selector lever to “P” position.
2. Turn ignition switch OFF.
3. Release parking brake.
4. Push vehicle forward or backward.
Does vehicle move when it is pushed forward or backyard?
YES >> • Mark the box on the “D iagnostic Worksheet Chart”.
•Go to AT-183, "
In "P" Position, Vehicle Moves Forward
or Backward When Pushed" .
• Continue “Road Test”.
NO >> GO TO 4.
4.CHECK VEHICLE MOVE
1. Apply parking brake.
2. Start engine.
3. Move selector lever to “N” position.
4. Release parking brake.
Does vehicle move forward or backward?
YES >> • Mark the box on the “D iagnostic Worksheet Chart”.
•Go to AT-183, "
In "N" Position, Vehicle Moves" .
• Continue “Road Test”.
NO >> GO TO 5.
5.CHECK SHIFT SHOCK
SAT770B
SAT768B
SAT796A
SAT771B
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TROUBLE DIAGNOSISAT-61
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• Continue “Road Test”.
8.CHECK SHIFT-DOWN (D4 TO D3 )
Decelerate vehicle by applying foot brake lightly. Read gear position and engine speed. Refer to AT-77, "
CON-
SULT-III Function (TRANSMISSION)" .
Does engine speed return to idle smoothly when A/T is shifted from
D4 to D3 ?
YES >> 1. Stop vehicle. 2. Go to AT-61, "
Cruise Test - Part 2" .
NO >> • Mark the box on the “D iagnostic Worksheet Chart”.
•Go to AT-196, "
Engine Speed Does Not Return to Idle
(Light Braking D4→ D3)" .
• Continue “Road Test”.
Cruise Test - Part 2INFOID:0000000005928099
1.CHECK STARTING GEAR (D1 ) POSITION
1. Push overdrive control switch. (OD OFF indicator lamp is off.)
2. Move selector lever to “D” position.
3. Accelerate vehicle by half throttle again. Read gear position. Refer to AT-77, "
CONSULT-III Func-
tion (TRANSMISSION)" .
Does vehicle start from D
1 ?
YES >> GO TO 2.
NO >> • Mark the box on the “D iagnostic Worksheet Chart”.
•Go to AT-187, "
Vehicle Cannot Be Started from D1" .
• Continue “Road Test”.
2.CHECK SHIFT-UP AND SHIFT-DOWN (D3 TO D4 TO D2 )
1. Accelerate vehicle to 80 km/h (50 MPH) as shown in the figure.
2. Release accelerator pedal and then quickly depress it fully. Read gear position and th rottle opening. Refer to AT-77,
"CONSULT-III Function (TRANSMISSION)" .
Does A/T shift from D
4 to D2 as soon as accelerator pedal is
depressed fully?
YES >> GO TO 3.
NO >> • Mark the box on the “D iagnostic Worksheet Chart”.
•Go to AT-189, "
A/T Does Not Shift: D1→ D2or Does
Not Kickdown: D4→ D2" .
• Continue “Road Test”.
3.CHECK SHIFT-UP (D2 TO D3 )
Check shift-up (D
2 to D3 )
Specified speed when shifting from D
2 to D3 . Refer to AT-64, "Vehicle Speed at Which Gear Shifting Occurs" .
SAT959I
SAT495G
SCIA7192E
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TROUBLE DIAGNOSISAT-73
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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-415
(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
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TROUBLE DIAGNOSISAT-83
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4. Turn ignition switch ON. (Do not start engine.)
Does OD OFF indicator lamp come on about 2 seconds?
YES >> GO TO 2.
NO >> Stop procedure. Perform AT-180, "
OD OFF Indicator
Lamp Does Not Come On" before proceeding.
2.JUDGEMENT PROCEDURE STEP 1
1. Turn ignition switch OFF.
2. Keep pressing shift lock release button.
3. Move selector lever from “P” to “D” position.
4. Turn ignition switch ON. (Do not start engine.)
5. Keep pressing overdrive control switch while OD OFF indicator lamp is lighting up for 2 seconds. (OD OFF indicator lamp is on.)
6. Keep pressing overdrive control swit ch and shift selector lever to the “2” position. (OD OFF indicator lamp
is on.)
7. Stop pressing overdrive control switch. (OD OFF indicator lamp is on.)
8. Shift selector lever to the “1” position. (OD OFF indicator lamp is on.)
9. Keep pressing overdrive control switch . (OD OFF indicator lamp is off.)
10. Depress accelerator pedal fully while pressing overdrive control switch.
>> GO TO 3.
3.CHECK SELF-DIAGNOSIS CODE
Check OD OFF indicator lamp. Refer to "Judgement of Self-diagnosis Code" .
>>DIAGNOSIS END
Judgement of Self-diagnosis Code
SCIA7140E
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P0731 1GR INCORRECT RATIOAT-109
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P0731 1GR INCORRECT RATIO
DescriptionINFOID:0000000005928143
• 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 first 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 LogicINFOID:0000000005928144
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0731 1GR INCORRECT RATIO” with CONSULT-III is detected when A/T cannot
be shifted to the 1GR 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 output speed 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 (1st) 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 either shift solenoid valve A is stuck open or 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 A stuck open: 2*, 2, 3 and 3 positions
In case of gear position with shift solenoid valve B stuck open: 4*, 3, 3 and 4 positions to each gear position
above
*: “P0731 1GR INCORRECT RATIO” is detected.
Possible CauseINFOID:0000000005928145
• Shift solenoid valve A
• Shift solenoid valve B
• Each clutch
• Hydraulic control circuit
DTC Confirmation ProcedureINFOID:0000000005928146
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 “1ST GR FNCTN P0731” of “DTC & SR T CONFIRMATION” mode for “TRANSMISSION” with
CONSULT-III and touch “START”.
Gear position 1234
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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AT-112
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P0732 2GR INCORRECT RATIO
P0732 2GR INCORRECT RATIO
DescriptionINFOID:0000000005928148
• This malfunction will not be detected while the OD OFF indicator lamp is indicating another self-diagnosismalfunction.
• 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 Diagn osis LogicINFOID:0000000005928149
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0732 2GR INCORRECT RATIO” with CONSULT-III is detected when A/T cannot
be shifted to the 2GR 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 output speed 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 2GR INCORRECT RATIO” is detected.
Possible CauseINFOID:0000000005928150
• Shift solenoid valve B
• Each clutch
• Hydraulic control circuit
DTC Confirmation ProcedureINFOID:0000000005928151
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 proc edure 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: Less than 1.0/8
SLCT LVR POSI: “D” position
Gear position 12 34
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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P0733 3GR INCORRECT RATIOAT-115
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P0733 3GR INCORRECT RATIO
DescriptionINFOID:0000000005928153
• 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 third 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 operat ion, malfunctioning servo piston or brake band, etc.
On Board Diagnosis LogicINFOID:0000000005928154
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0733 3GR INCORRECT RATIO” with CONSULT-III is detected when A/T cannot
be shifted to the 3GR 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 output speed 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 (3rd) 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 A 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 closed: 1, 1, 4* and 4 positions to each gear position
above
*: “P0733 3GR INCORRECT RATIO” is detected.
Possible CauseINFOID:0000000005928155
• Shift solenoid valve A
• Each clutch
• Hydraulic control circuit
DTC Confirmation ProcedureINFOID:0000000005928156
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 “3RD GR FNCTN P0733” of “DTC & SR T CONFIRMATION” mode for “TRANSMISSION” with
CONSULT-III and touch “START”.
5. Accelerate vehicle to 60 to 75 km/h (37 to 47 MPH) under the following conditions and release the accel- erator pedal completely.
THROTTLE POSI: Less th an 1.0/8 (at all times during step 4)
SLCT LVR POSI: “D” position
Gear position 123 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)
Revision: May 2010 2011 Versa