Nissan Qashqai (2007-2010). Manual — part 596
LINE PRESSURE TEST
TM-319
< ON-VEHICLE MAINTENANCE >
[CVT: RE0F10A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
kPa (bar, kg/cm
2
, psi)
*: Reference values
JUDGMENT
Engine speed
Line pressure
“R” or “D” positions
At idle
750 (7.50, 7.65, 108.8)
At stall
5,700 (57.00, 58.14, 826.5)*
Judgment Possible
cause
Idle speed
Low for all positions
(“P”, “R”, “N”, “D”)
Possible causes include malfunctions in the pressure supply system and low oil pump output.
For example
• Oil pump wear
• Pressure regulator valve or plug sticking or spring fatigue
• Oil strainer
⇒
oil pump
⇒
pressure regulator valve passage oil leak
• Engine idle speed too low
Only low for a spe-
cific position
Possible causes include an oil pressure leak in a passage or device related to the position after
the pressure is distributed by the manual valve.
High
Possible causes include a sensor malfunction or malfunction in the line pressure adjustment func-
tion.
For example
• Accelerator pedal position signal malfunction
• CVT fluid temperature sensor malfunction
• Pressure control solenoid A (line pressure solenoid) malfunction (sticking in OFF state, filter
clog, cut line)
• Pressure regulator valve or plug sticking
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
• Accelerator pedal position signal malfunction
• TCM malfunction
• Pressure control solenoid A (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 pres-
sure adjustment function.
For example
• Accelerator pedal position signal malfunction
• Pressure control solenoid A (line pressure solenoid) malfunction (sticking, filter clog)
• Pressure regulator valve or plug sticking
Only low for a spe-
cific position
Possible causes include an oil pressure leak in a passage or device related to the position after
the pressure is distributed by the manual valve.
TM-320
< ON-VEHICLE MAINTENANCE >
[CVT: RE0F10A]
ROAD TEST
ROAD TEST
Description
INFOID:0000000000988985
DESCRIPTION
• The purpose of the test is to determine overall performance of CVT
and analyze causes of problems.
• The road test consists of the following three parts:
1.
“Check Before Engine Is Started”
2.
3.
.
• Before road test, familiarize yourself with all test procedures and
items to check.
• Perform tests on all items until specified symptom is found. Trou-
bleshoot items the malfunctioning items after road test.
CONSULT-III SETTING PROCEDURE
• Using CONSULT-III, perform a cruise test and record the result.
• Print the result and ensure that shifts and lock-ups take place as per Shift Schedule.
1.
Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
2.
Touch “MAIN SIGNALS” to set recording condition.
3.
See “Numerical Display”, “Barchart Display” or “Line Graph Display”.
4.
Touch “START”.
5.
When performing cruise test. Refer to
6.
After finishing cruise test part, touch “RECORD”.
7.
Touch “STORE”.
8.
Touch “BACK”.
9.
Touch “DISPLAY”.
10. Touch “PRINT”.
11. Check the monitor data printed out.
Check before Engine Is Started
INFOID:0000000000988986
1.
CHECK CVT 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.)
Is shift position indicator activated for about 2 seconds?
YES
>> 1.
Turn ignition switch OFF.
2.
Perform self-diagnosis and note NG items.
Refer to
TM-216, "CONSULT-III Function (TRANSMISSION)"
.
3.
Go to
.
SAT786A
SAT496G
ROAD TEST
TM-321
< ON-VEHICLE MAINTENANCE >
[CVT: RE0F10A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
NO
>> Stop “Road Test”. Refer to
.
Check at Idle
INFOID:0000000000988987
1.
CHECK STARTING THE ENGINE
1.
Park vehicle on flat surface.
2.
Move selector lever to “P” or “N” position.
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
1.
Turn ignition switch ON.
2.
Move selector lever to “D”, “M” or “R” position.
3.
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.
Move 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
. Continue “Road Test”.
NO
>> GO TO 4.
4.
CHECK “N” POSITION FUNCTION
1.
Start engine.
2.
Move selector lever to “N” position.
3.
Release parking brake.
Does vehicle move forward or backward?
YES
>> Refer to
. Continue “Road Test”.
NO
>> GO TO 5.
5.
CHECK SHIFT SHOCK
1.
Apply foot brake.
2.
Move selector lever to “R” position.
Is there large shock when changing from “N” to “R” position?
YES
>> Refer to
. Continue “Road Test”.
NO
>> GO TO 6.
6.
CHECK “R” POSITION FUNCTION
Release foot brake for several seconds.
Does vehicle creep backward when foot brake is released?
YES
>> GO TO 7.
NO
>> Refer to
. Continue “Road Test”.
7.
CHECK “D” POSITION FUNCTION
Move selector lever to “D” position and check if vehicle creeps forward.
Does vehicle creep forward in all positions?
YES
>> Go to
.
NO
>> Stop “Road Test”. Refer to
.
TM-322
< ON-VEHICLE MAINTENANCE >
[CVT: RE0F10A]
ROAD TEST
Cruise Test
INFOID:0000000000988988
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.
Move selector lever to “P” position.
4.
Start engine.
5.
Move selector lever to “D” position.
6.
Accelerate vehicle to 2/8-way throttle depressing accelerator
pedal constantly.
Read vehicle speed and engine speed. Refer to
"Vehicle Speed When Shifting Gears"
OK or NG
OK
>> GO TO 2.
NG
>> Refer to
. Continue “Road
Test”.
2.
CHECK VEHICLE SPEED WHEN SHIFTING GEARS — PART 2
1.
Park vehicle on flat surface.
2.
Move selector lever to “D” position.
3.
Accelerate vehicle to full depression depressing accelerator
pedal constantly.
Read vehicle speed and engine speed.Refer to
"Vehicle Speed When Shifting Gears"
OK or NG
OK
>> GO TO 3.
NG
>> Refer to
. Continue “Road
Test”.
3.
CHECK MANUAL MODE FUNCTION
Move to manual mode from “D” position.
Does it switch to manual mode?
YES
>> GO TO 4.
NO
>> Refer to
. Continue “Road Test”.
4.
CHECK SHIFT-UP FUNCTION
During manual mode driving, is upshift from M1
→
M2
→
M3
→
M4
→
M5
→
M6 performed?
Read the gear position. Refer to
TM-216, "CONSULT-III Function (TRANSMISSION)"
.
Is upshifting correctly performed?
YES
>> GO TO 5.
NO
>> Refer to
. Continue “Road Test”.
5.
CHECK SHIFT-DOWN FUNCTION
During manual mode driving, is downshift from M6
→
M5
→
M4
→
M3
→
M2
→
M1 performed?
Read the gear position. Refer to
TM-216, "CONSULT-III Function (TRANSMISSION)"
.
Is downshifting correctly performed?
YES
>> GO TO 6.
NO
>> Refer to
. Continue “Road Test”.
CVT fluid operating temperature:
50 – 80
°
C (122 – 176
°
F)
SCIA6644E
SCIA4366E
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