2008 NISSAN LATIO Service Repair Manual

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NISSAN LATIO 2008 Service Repair Manual TROUBLE DIAGNOSIS
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4. 4-3. “Cruise Test”AT- 5 5
Part 1
❏AT- 1 8 3 , "
Vehicle Cannot Be Started from D1" .
❏AT- 1 8 5 , &

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4. 4-3. “Cruise Test”AT- 5 5
Part 1
❏AT- 1 8 3 , "
Vehicle Cannot Be Started from D1" .
❏AT- 1 8 5 , "
A/T Does Not Shift: D1→ D2or Does Not Kickdown: D4→ D2" .
❏AT- 1 8 6 , "
A/T Does Not Shift: D2→ D3" .
❏AT- 1 8 8 , "
A/T Does Not Shift: D3→ D4" .
❏AT- 1 8 9 , "
A/T Does Not Perform Lock-up" .
❏AT- 1 9 0 , "
A/T Does Not Hold Lock-up Condition" .
❏AT- 1 9 1 , "
Lock-up Is Not Released" .
❏AT- 1 9 2 , "
Engine Speed Does Not Return to Idle (Light Braking D4→ D3)" .
Part 2AT- 5 8
❏AT- 1 8 3 , "Vehicle Cannot Be Started from D1" .
❏AT- 1 8 5 , "
A/T Does Not Shift: D1→ D2or Does Not Kickdown: D4→ D2" .
❏AT- 1 8 6 , "
A/T Does Not Shift: D2→ D3" .
❏AT- 1 8 8 , "
A/T Does Not Shift: D3→ D4" .
Part 3AT- 5 9
❏AT- 1 9 3 , "A/T Does Not Shift: D4→ D3, When OD OFF" .
❏AT- 1 9 4 , "
A/T Does Not Shift: D3→ 22, When Selector Lever "D" → "2" Position" .
❏AT- 1 9 5 , "
A/T Does Not Shift: 22→ 11, When Selector Lever "2" → "1" Position" .
❏AT- 1 9 7 , "
Vehicle Does Not Decelerate by Engine Brake" .
❏ Perform self-diagnosis. Enter checks for detected items. AT- 7 3
, AT- 7 8 .
❏AT- 8 3
.
❏AT- 8 6
.
❏AT- 9 1
.
❏AT- 9 6
.
❏AT- 1 0 1
.
❏AT- 1 0 5
❏AT- 1 0 8 .
❏AT- 111
.
❏AT- 11 4
.
❏AT- 11 9
.
❏AT- 1 2 4
.
❏AT- 1 2 9
.
❏AT- 1 3 4
.
❏AT- 1 3 9
.
❏AT- 1 4 4
.
❏AT- 1 4 9
.
❏AT- 1 5 2
.
❏AT- 1 5 8
.
❏AT- 1 6 3
.
❏AT- 1 6 4
.
5.❏ For self-diagnosis NG items, inspect each component. Repair or replace the damaged parts.AT- 7 3
,
AT- 7 8
6.❏ Perform “Road Test”.AT- 5 2
7.❏ Perform the Diagnostic Procedures for all remaining items marked NG. Repair or replace the damaged parts.
Refer to the Symptom Chart when you perform the procedures. (The chart also shows some other possible symp-
toms and the component inspection orders.)AT- 6 1
8.❏ Erase DTC from TCM and ECM memories.AT- 3 6,
AT- 7 8

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NISSAN LATIO 2008 Service Repair Manual AT-46
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A/T Electrical Parts Location
INFOID:0000000001703180
1. OD OFF indicator lamp 2. Shift position indicator 3. Accelerator pedal position (APP)
sensor
4

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Circuit DiagramINFOID:0000000001703181
7. Revolution sensor 8. Dropping resistor 9. TCM
10. Overdrive control switch
BCW

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NISSAN LATIO 2008 Service Repair Manual AT-48
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TROUBLE DIAGNOSIS
Inspections Before Trouble Diagnosis
INFOID:0000000001703182
A/T FLUID CHECK
Fluid Leakage and Fluid Level Check
Check fluid leakage and check the fluid

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6. Accelerate to wide open throttle gradually while applying foot
brake.
7. Quickly note the engine stall revolution and

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6. Accelerate to wide open throttle gradually while applying foot
brake.
7. Quickly note the engine stall revolution and immediately release
throttle.
CAUTION:
Do not hold down the accelerator pedal for more than 5 sec-
onds during this test.
8. Move selector lever to “N” position.
9. Cool off ATF.
CAUTION:
Run the engine at idle for at least 1 minute.
10. Repeat steps 6 through 9 with selector lever in “2”, “1” and “R”
positions.
Judgement of Stall Test
The test result and possible damaged components relating to each result are shown in the illustrations on next
page.
In order to pinpoint the possible damaged components, refer to AT-40, "
How to Perform Trouble Diagnosis for
Quick and Accurate Repair".
NOTE:
Stall revolution is too high in “D”, “2”, or “1” position:
• Slippage occurs in 1st gear but not in 2nd and 3rd gears. ..... Low one-way clutch slippage
• Slippage occurs in the following gears:
1st through 3rd gears in “D” position and engine brake functions with OD OFF. (OD OFF indicator lamp is
on.)
1st and 2nd gears in “2” position and engine brake functions with accelerator pedal released (fully closed
throttle)...... Forward clutch or forward one-way clutch slippage
Stall revolution is too high in “R” position:
• Engine brake does not function in “1” position. ..... Low & reverse brake slippage
• Engine brake functions in “1” position. ..... Reverse clutch slippage
Stall revolution within specifications:
• Vehicle does not achieve speed of more than 80 km/h (50 MPH). ..... One-way clutch seizure in torque con-
verter housing
CAUTION:
Be careful because automatic fluid temperature increases abnormally:
• Slippage occurs in 3rd and 4th gears in “D” position. ..... High clutch slippage
• Slippage occurs in 2nd and 4th gears in “D” position. ..... Brake band slippage
• Engine brake does not function in 2nd and 3rd gears in “D” position, 2nd gear in “2” position, and 1st gear in
“1” position with OD OFF. (OD OFF indicator lamp is on.) ..... Overrun clutch slippage
Stall revolution less than specifications:
• Poor acceleration during starts. ..... One-way clutch seizure in torque converter Stall revolution: 2,310 - 2,770 rpm
SAT514G
SAT771B

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TROUBLE DIAGNOSIS
LINE PRESSURE TEST
Line Pressure Test Ports
SCIA7987E

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Location of line pressure test ports are shown in the figure.
•Always replace pressure plugs as they are self-sealing

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TROUBLE DIAGNOSIS
Line Pressure
Judgement of Line Pressure Test
Road TestINFOID:0000000001703183
DESCRIPTION
• The purpose of the test is to determine overall performan

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