2006 NISSAN VERSA Workshop Service Repair Manual

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Page 65 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual AT-52
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
Circuit DiagramUCS005MP
BCWA0647E

Page 66 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual TROUBLE DIAGNOSIS
AT-53
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Revision: June 20062007 Versa
Inspections Before Trouble DiagnosisUCS005MQ
A/T FLUID CHECK
Fluid Leakage and Fluid Level Check
Check fluid leakage and

Page 67 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual AT-54
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
6. Accelerate to wide open throttle gradually while applying foot
brake.
7. Quickly note the engine stall revolution and immediately release
throt

AT-54
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
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-46, "
Work Flow Chart" .
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
converter 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 converterStall revolution: 2,300 - 2,750 rpm
SAT5 1 4G
SAT7 7 1B

Page 68 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual TROUBLE DIAGNOSIS
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Revision: June 20062007 Versa
SCIA7987E

Page 69 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual AT-56
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
LINE PRESSURE TEST
Line Pressure Test Ports
Location of line pressure test ports are shown in the figure.
Always replace pressure plugs as they a

Page 70 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual TROUBLE DIAGNOSIS
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5. Start engine and measure line pressure at idle and stall speed.
CAUTION:
Keep the brake pedal pressed all the way do

Page 71 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual AT-58
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
Road TestUCS005MR
DESCRIPTION
The purpose of the test is to determine overall performance of A/
T and analyze causes of malfunctions.
The road t

Page 72 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual TROUBLE DIAGNOSIS
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Check at IdleUCS005M T
1. CHECK ENGINE START
1. Park vehicle on flat surface.
2. Turn ignition switch ON. (Do not start

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