Nissan Sentra. Instruction — part 902
TM-244
< SYMPTOM DIAGNOSIS >
[CVT: RE0F11A]
CVT CONTROL SYSTEM
SYMPTOM DIAGNOSIS
CVT CONTROL SYSTEM
Symptom Table
INFOID:0000000009759495
The diagnosis item number indicates the order of check. Start checking in the order from 1.
Symptom diagnosis chart 1-1
Symptom
Check under on board condition (repair
and part replacement)
Replace the transaxle assembly.
En
gi
ne
sy
st
em
In
co
rrect a
dj
ustm
en
t of
CVT
flu
id
level
L
ine
p
res
su
re i
s
ou
t of
th
e s
ta
nd
ard
va
lu
e.
Co
nt
rol
ca
bl
e
Electric system
TCM
Ov
erd
riv
e co
nt
ro
l s
w
itch
Prim
ary
spe
ed
se
ns
or (P07
15
)
Se
co
nd
ary
s
pe
ed
se
ns
or
(P27
65
)
O
ut
pu
t s
pe
ed
se
ns
or
(P07
20
)
T
ran
sm
is
si
on
po
si
tio
n s
w
itch
(P07
05
, P0
70
6)
Sec
o
nd
ar
y pre
ss
u
re
se
ns
or (P08
46
,
P0
84
7,
P08
4
8)
Pri
m
a
ry p
res
su
re
so
le
no
id
va
lv
e (P0
96
5,
P0
966
, P
09
67)
Li
ne
pre
ss
u
re
so
le
no
id
va
lv
e (P07
46
,
P0
96
2,
P09
6
3)
Lo
ck
-up
so
le
no
id
va
lv
e
(P07
40
, P0
74
3,
P07
4
4)
Hig
h
clu
tc
h &
rev
ers
e b
rak
e
so
le
no
id
va
lv
e
(P0
99
B
, P0
99
C, P2
85
8,
P28
5A
)
Lo
w bra
ke
sol
eno
id
va
lv
e
(P09
98
, P0
99
9,
P28
5
7,
P2
85
9)
CVT
flu
id
tem
p
erat
ure
s
ens
o
r (P07
11
, P07
12
, P
07
13)
Driving is
not possi-
ble.
The engine speed increases in
“D”, “L”, or “R” position, but the
vehicle cannot start.
1
1
1
1
1
1
1
1
2
1
1
1
2
Engine stall occurs in “D”, “L”,
or “R” position and the vehicle
does not start.
1
1
1
1
1
1
1
1
1
1
2
Acceleration at start is not suf-
ficient in “D”, “L”, or “R” posi-
tion.
1
2
1
1
1
1
2
2
1
1
2
1
1
1
The engine speed increases
suddenly in “D”, “L”, or “R” po-
sition during driving.
1
1
2
1
1
1
1
Engine brake is suddenly ap-
plied in “D” or “R” position dur-
ing driving.
1
1
1
1
1
1
CVT CONTROL SYSTEM
TM-245
< SYMPTOM DIAGNOSIS >
[CVT: RE0F11A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
Shifting is
not possi-
ble.
The engine races when the
auxiliary gearbox is shifted
from 1GR
⇔ 2GR.
2
1
1
1
1
Engine braking is not effective
in “L” position.
1
1
1
1
1
1
2
1
1
1
Shifting does not occur with
OD OFF.
1
1
1
1
1
1
1
1
Engine stall occurs immediate-
ly before stop at deceleration in
“D” or “L” position.
1
1
During driving in “D” position,
slippage occurs in lockup or
lockup is not possible.
1
1
1
1
1
2
1
1
1
1
Symptom
Check under on board condition (repair
and part replacement)
Replace the transaxle assembly.
En
gi
ne
s
ys
tem
In
co
rrec
t
adj
ust
me
nt
of
CVT f
lui
d l
ev
el
Li
ne
pre
ss
u
re
is o
u
t of
th
e
st
an
da
rd va
lu
e.
Co
ntro
l c
a
ble
Electric system
TC
M
Ov
erd
riv
e c
on
tro
l s
w
itc
h
Prim
ary
s
p
ee
d se
nso
r (P07
15
)
Se
cond
ary
s
pe
ed
s
en
so
r (P27
65
)
Out
put
sp
ee
d se
ns
or (P0
7
20
)
T
ran
sm
is
si
on
po
si
tio
n
swi
tch
(P0
7
05
, P07
0
6)
Se
cond
ary
p
res
su
re
se
ns
or (P
08
46,
P0
84
7, P
08
48
)
Pri
m
a
ry
pre
ss
ure
s
ole
no
id
va
lv
e
(P09
65
, P0
96
6,
P09
67
)
Li
ne
pre
ss
u
re
s
o
le
no
id
v
a
lve
(P07
46
, P0
96
2,
P09
6
3)
L
oc
k-u
p so
le
noi
d va
lve
(P0
74
0,
P0
743
, P
07
44)
Hi
gh
cl
utc
h
&rev
ers
e
bra
ke
s
ole
no
id
va
lv
e
(P09
9B,
P0
99
C,
P2
85
8,
P28
5
A)
L
ow
b
rak
e so
le
no
id va
lv
e
(P0
99
8,
P0
999
, P
28
57,
P2
85
9)
CVT f
lui
d t
e
m
p
er
at
ur
e se
ns
or (P07
11
, P07
1
2,
P0
71
3)
EC-126
TM-250
TM-149
TM-150
TM-1
14
TM-236
TM-126
TM-246
< SYMPTOM DIAGNOSIS >
[CVT: RE0F11A]
CVT CONTROL SYSTEM
Symptom diagnosis chart 1-2
Symptom
Replace the transaxle assembly.
Oil pres-
sure con-
trol
Power transmission
V
al
ve bo
dy
, co
nt
rol
va
lve
Oil pu
mp
To
rqu
e
co
nv
ert
er
P
ull
ey
, st
ee
l b
elt
L
ow brak
e
Hi
gh
cl
utc
h
Rev
e
rs
e bra
ke
Be
ari
ngs
Co
un
ter ge
ar
P
lan
et
ary
ge
ar
Red
uc
tio
n ge
ar
F
ina
l gea
r, dif
fe
ren
tia
l g
ea
r
Pa
rki
ng me
ch
an
is
m
Driving is
not possi-
ble.
The engine speed increases in
“D”, “L”, or “R” position, but the
vehicle cannot start.
1
1
1
1
(In “D” or
“L”)
1
(In “R”)
1
1
1
1
Engine stall occurs in “D”, “L”,
or “R” position and the vehicle
does not start.
1
1
1
1
1
1
1
Acceleration at start is not suf-
ficient in “D”, “L”, or “R” posi-
tion.
1
1
1
(In “D” or
“L”)
1
(In “R”)
The engine speed increases
suddenly in “D”, “L”, or “R” po-
sition during driving.
1
1
1
1
(In “D” or
“L”)
1
(In “D” or
“L”)
1
(In “R”)
Engine brake is suddenly ap-
plied in “D” or “R” position dur-
ing driving.
1
1
(In “D” or
“L”)
1
(In “D” or
“L”)
1
(In “R”)
Shifting is
not possi-
ble.
The engine races when the
auxiliary gearbox is shifted
from 1GR
⇔ 2GR.
1
1
2
1
1
Engine braking is not effective
in “L” position.
1
2
1
2
1
1
Shifting does not occur with
OD OFF.
Engine stall occurs immedi-
ately before stop at decelera-
tion in “D” or “L” position.
1
1
During driving in “D” position,
slippage occurs in lockup or
lockup is not possible.
1
1
CVT CONTROL SYSTEM
TM-247
< SYMPTOM DIAGNOSIS >
[CVT: RE0F11A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
Symptom diagnosis chart 2-1
Symptom
Check under on board condition (repair
and part replacement)
Replace the transaxle assembly.
En
gin
e sy
st
em
In
co
rrec
t a
dj
us
tme
nt
of
CVT f
lui
d
lev
el
Li
ne
pre
ssu
re i
s o
ut
of
th
e s
ta
nd
ard
va
lu
e.
Co
nt
rol
ca
bl
e
Electric system
TCM
Ov
erd
riv
e co
nt
ro
l s
w
itc
h
Pri
m
ary
sp
ee
d se
ns
or (P07
15
)
Se
co
nd
ary
s
pee
d
se
ns
or (P
27
65
)
O
ut
put
s
pee
d se
ns
or (P07
20
)
T
ra
n
sm
issi
on
po
si
tio
n
s
w
itc
h
(P07
05
,
P0
70
6)
Sec
o
nd
ar
y p
res
sure
se
ns
or (P08
46
,
P0
84
7,
P08
4
8)
Prim
a
ry p
res
su
re
so
le
noi
d
va
lv
e (P0
96
5,
P09
66
, P0
96
7)
Li
ne
pre
ssu
re s
ol
en
oid
v
al
ve
(P0
746
, P
09
62,
P0
96
3)
Lo
ck
-up
so
le
no
id
va
lv
e
(P07
40
, P0
74
3,
P07
4
4)
Hig
h c
lu
tc
h &
rev
ers
e b
rak
e
so
len
oi
d v
a
lve
(P099B, P099C, P2858,
P285A)
Lo
w b
rak
e s
ol
en
oi
d v
al
ve
(P09
98
, P0
99
9,
P28
5
7,
P2
85
9)
CVT flu
id tem
pe
rat
ure
se
ns
or (P07
11
,
P07
12
, P0
71
3)
Shock vi-
bration
Noise
Shock at start is large in “D”,
“L”, or “R” position.
1
2
1
1
Shock is large when the aux-
iliary gearbox is shifted from
1GR
→ 2GR.
2
1
2
2
2
1
1
Shock in lockup is large dur-
ing driving in “D” or “L” posi-
tion.
1
1
Shock is large when the lever
is shifted from “N”
→ “D” and
“N”
→ “R” positions.
1
1
2
1
1
1
1
1
1
1
1
Shock is large when the lever
is shifted from “D”
→ “L” posi-
tion.
Vibration occurs in “D”, “L”, or
“R” position during driving.
1
1
1
1
1
2
1
1
1
Noise occurs during driving.
1
Noise occurs in idling.
1
1
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