Nissan Quest E52. Instruction — part 1209
TM-66
< BASIC INSPECTION >
[CVT: RE0F09B]
LINE PRESSURE TEST
Stall speed
Line pressure does not rise
higher than the line pressure
for idle.
Possible causes include a sensor malfunction or malfunction in the pressure adjustment
function.
For example
• TCM malfunction
• Line pressure solenoid malfunction (shorting, sticking in ON state)
• Pressure regulator valve or plug sticking
The pressure rises, but does
not enter the standard posi-
tion.
Possible causes include malfunctions in the pressure supply system and malfunction in
the pressure adjustment function.
For example
• Oil pump wear
• Line pressure solenoid valve or plug sticking
• Pressure regulator valve or plug sticking
Only low for a specific posi-
tion
Possible causes include an oil pressure leak in a passage or device related to the position
after the pressure is distributed by the instruction valve.
Condition
Possible cause
ROAD TEST
TM-67
< BASIC INSPECTION >
[CVT: RE0F09B]
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ROAD TEST
Description
INFOID:0000000009650116
• The purpose of the test is to determine the overall performance of CVT and analyze causes of problems.
• The road test consists of the following three parts:
1.
TM-67, "Check before Engine Is Started"
2.
3.
• Before the road test, familiarize yourself with all test procedures and items to check.
• Perform tests for all the check items until a malfunction phenomenon is detected. Perform diagnosis for NG
items after the completion of road tests.
Check before Engine Is Started
INFOID:0000000009650117
1.
CHECK OD OFF INDICATOR LAMP
1.
Park vehicle on flat surface.
2.
Shift the selector lever to “P” position.
3.
Turn ignition switch OFF and wait at least 5 seconds.
4.
Turn ignition switch ON.
Has OD OFF indicator lamp been turned ON for about 2 seconds?
YES
>> 1.
Turn ignition switch OFF.
2.
Perform self-diagnosis and note NG items. Refer to
3.
Go to
NO
>> Stop “Road Test”. Refer to
.
Check at Idle
INFOID:0000000009650118
1.
CHECK STARTING THE ENGINE (PART 1)
1.
Park vehicle on flat surface.
2.
Shift the selector lever to “P” and “N” positions.
3.
Turn ignition switch OFF.
4.
Turn ignition switch to “START” position.
Is engine started?
YES
>> GO TO 2.
NO
>> Stop “Road Test”. Refer to
.
2.
CHECK STARTING THE ENGINE (PART 2)
1.
Turn ignition switch OFF.
2.
Turn ignition switch ON.
3.
Shift the selector lever to “R”, “D” and “L” positions.
4.
Turn ignition switch to “START” position.
Is engine started?
YES
>> Stop “Road Test”. Refer to
.
NO
>> GO TO 3.
3.
CHECK “P” POSITION FUNCTION
1.
Shift the selector lever to “P” position.
2.
Turn ignition switch OFF.
3.
Release parking brake.
4.
Push vehicle forward or backward.
5.
Apply parking brake.
Does vehicle move forward or backward?
YES
>> Refer to
. GO TO 4.
NO
>> GO TO 4.
4.
CHECK “N” POSITION FUNCTION
TM-68
< BASIC INSPECTION >
[CVT: RE0F09B]
ROAD TEST
1.
Start the engine.
2.
Shift the selector lever to “N” position.
3.
Release parking brake.
Does vehicle move forward or backward?
YES
>> Refer to
. GO TO 5.
NO
>> GO TO 5.
5.
CHECK SHIFT SHOCK
1.
Apply foot brake.
2.
Shift the selector lever to “R” position.
Is there large shock when changing from “N” to “R” position?
YES
>> Refer to
. GO TO 6.
NO
>> GO TO 6.
6.
CHECK “R” POSITION FUNCTION
Release foot brake for several seconds.
Does vehicle creep backward?
YES
>> GO TO 7.
NO
>> Refer to
. GO TO 7.
7.
CHECK “D” POSITION FUNCTION
Shift the selector lever to “D” and “L” positions and check if vehicle creeps forward.
Does vehicle creep forward?
YES
>> Go to
NO
>> Stop “Road Test”. Refer to
.
Cruise Test
INFOID:0000000009650119
1.
CHECK VEHICLE SPEED WHEN SHIFTING GEARS (PART 1)
1.
Drive vehicle for approximately 10 minutes to warm engine oil and CVT fluid up to operating temperature.
2.
Park vehicle on flat surface.
3.
Shift the selector lever to “P” position.
4.
Start the engine.
5.
Shift the selector lever to “D” position.
6.
Accelerate vehicle at 2/8 throttle opening.
7.
Read vehicle speed and engine speed. Refer to
TM-179, "Vehicle Speed When Shifting Gears"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Refer to
. GO TO 2.
2.
CHECK VEHICLE SPEED WHEN SHIFTING GEARS (PART 2)
1.
Stop the vehicle on flat surface.
2.
Accelerate vehicle at 8/8 throttle opening.
3.
Read vehicle speed and engine speed. Refer to
TM-179, "Vehicle Speed When Shifting Gears"
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Refer to
. GO TO 3.
3.
CHECK OVERDRIVE OFF CONDITION (PART 1)
1.
Stop the vehicle on flat surface.
2.
Push overdrive control switch. (O/D OFF indicator lamp is on)
3.
Accelerate vehicle at 2/8 throttle opening.
4.
Read vehicle speed and engine speed. Refer to
TM-179, "Vehicle Speed When Shifting Gears"
Is the inspection result normal?
YES
>> GO TO 4.
CVT fluid operating temperature
: 50 – 80
°
C (122 – 176
°
F)
ROAD TEST
TM-69
< BASIC INSPECTION >
[CVT: RE0F09B]
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NO
>> Refer to
. GO TO 4.
4.
CHECK OVERDRIVE OFF CONDITION (PART 2)
1.
Stop the vehicle on flat surface.
2.
Accelerate vehicle at 8/8 throttle opening.
3.
Read vehicle speed and engine speed. Refer to
TM-179, "Vehicle Speed When Shifting Gears"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Refer to
. GO TO 5.
5.
CHECK “L” POSITION FUNCTION (PART 1)
1.
Stop the vehicle on flat surface.
2.
Shift the selector lever to “L” position.
3.
Accelerate vehicle at 2/8 throttle opening.
4.
Read vehicle speed and engine speed. Refer to
TM-179, "Vehicle Speed When Shifting Gears"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Refer to
. GO TO 6.
6.
CHECK “L” POSITION FUNCTION (PART 2)
1.
Stop the vehicle on flat surface.
2.
Accelerate vehicle at 8/8 throttle opening.
3.
Read vehicle speed and engine speed. Refer to
TM-179, "Vehicle Speed When Shifting Gears"
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Refer to
. GO TO 7.
7.
CHECK ENGINE BRAKE FUNCTION
Check engine brake.
Does engine braking effectively reduce vehicle speed in “L” position?
YES
>> 1.
Stop the vehicle.
2.
Perform “Self Diagnostic Results” in “TRANSMISSION”.
NO
>> Refer to
. Then continue trouble diagnosis.
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