Mitsubishi Colt Ralliart. Manual — part 167

TROUBLESHOOTING <CVT>

CVT

23A-11

3

• Ignition

switch: ON

• Engine:

Stopped

• Selector

lever
position: P

Accelerator pedal

(1) Fully closed
(2) Depressed
(3) Fully opened

Data List No.06

(1) 800

− 1,200

mV

(2) Gradually

increases from
(1)

(3) 4,000 mV or

more

APS

−

Refer to GROUP
13A

−

Troubleshooting

P.13A-20

.

Brake pedal

(1) Depressed
(2) Released

Data List No.33

(1) ON
(2) OFF

Stop lamp
switch

53, 54

Stop lamp switch
system

4

Ignition switch:
START

Starting test at P
or N position

Starting should
be possible

Starting
possible/no
t possible

−

Starting not
possible

5

Driving after
engine has
warmed up

Drive for 15
minutes or more
until the CVT fluid
temperature rises
to 45

− 100°C

Data List No.08
Gradually rises to
45

− 100°C

CVT fluid
temperatur
e sensor

15, 16

CVT fluid
temperature sensor
system

6

Engine: idle
Selector lever
position: P

Accelerator pedal:
Fully closed

Data List No.01
600

− 800 r/min

Engine
speed

−

Refer to GROUP
13A

−

Troubleshooting

P.13A-20

.

Data List No.02
600

− 800 r/min

Turbine
speed

22

Turbine speed
sensor system

Data List No.09
0.6

− 1.5 MPa

Line
pressure
sensor

18, 19

Line pressure
sensor system

Data List No.11
0

− 0.6 MPa

Primary
pressure
sensor

27, 28

Primary pressure
sensor system

Data List No.12
2.313

Gear ratio

23, 26

Primary speed
sensor system

24, 25

Secondary speed
sensor system

Data List No.16
70

− 90%

Line
pressure
control
solenoid
valve

31

Line pressure
control solenoid
valve system

Proce
dure

Pre-test/

operation
conditions

Test/Operation

Judgment value

Check item Diagnosis

code No.

Inspection
procedure if there is
an abnormality

Main

Index

Group

TOC

TROUBLESHOOTING <CVT>

CVT

23A-12

7

Engine: idle

Selector lever
position

(1) N

→ D

(2) N

→ R

• No abnormal

shift shock
detected

• Time lag

within 2
seconds

Fault
during shift

−

Engine stall during
shift

−

Shock during N

→ D

or N

→ R shift

operation

Not
possible to
drive

−

Not possible to
drive

Data List No.17
Changed to
99.6%

→ 0%

Clutch
pressure
control
solenoid
valve

34, 38

Clutch pressure
control solenoid
valve system

Selector lever
position: N

→ D

Data List No.10
Changed to less
than 20

→ 408

r/min

Damper
clutch

−

−

8

Selector lever
position: D

Constant driving
at 50 km/h on flat
road from
standstill

Data List No.14
Changed to 0%

→

35% or more

Damper
clutch
control
solenoid
valve

33, 37

Damper clutch
control solenoid
valve system

Constant driving
at 50 km/h on flat
road

Data List No.10
Less than 40
r/min

Damper
clutch

−

−

• During driving

• Selector lever

position

(1) D

→ Ds

(2) Ds

→ D

Data List No.15

(1) Value

increases
momentarily.

(2) Value

decreases
momentarily.

Shift
control
solenoid
valve

32, 36

Shift control
solenoid valve
system

Proce
dure

Pre-test/

operation
conditions

Test/Operation

Judgment value

Check item Diagnosis

code No.

Inspection
procedure if there is
an abnormality

Main

Index

Group

TOC

TROUBLESHOOTING <CVT>

CVT

23A-13

RATIO PATTERN

M1231202600134

AC403740AD

Engine speed
(r/min)

Vehicle speed (km/h)

0

100

150

50

1 000

2 000

4 000

3 000

5 000

7 000

6 000

OD

LOW

Accelerator
fully closed, 20%

40%

Accelerator
fully open

60%

80%

DAMPER CLUTCH CONTROL

M1231204100050

AC207742AB

0

100

120

20

40

60

80

140

160

100

20

40

60

80

Damper clutch

disengaged

Damper clutch engaged

Throttle opening (%)

Vehicle speed (km/h)

Main

Index

Group

TOC

TROUBLESHOOTING <CVT>

CVT

23A-14

INSPECTION CHART FOR DIAGNOSIS CODES

M1231207900163

CAUTION

During diagnosis, a diagnosis code associated
with other system may be set when the ignition
switch is turned on with connector(s) discon-
nected. On completion, confirm all systems for
diagnosis code(s). If diagnosis code(s) are set,
erase them all.

Diagnosis
code No.

Diagnosis item

Reference
page

15

CVT fluid temperature sensor system

P.23A-15

16
18

Line pressure sensor system

P.23A-21

19
22

Turbine speed sensor system

P.23A-29

23

Primary speed sensor system

P.23A-37

26
24

Secondary speed sensor system

P.23A-53

25
27

Primary pressure sensor system

P.23A-69

28
31

Line pressure control solenoid valve system

P.23A-77

32

Shift control solenoid valve system

P.23A-82

36
33

Damper clutch control solenoid valve system

P.23A-86

37
34

Clutch pressure control solenoid valve system

P.23A-90

38
42

Fail system of shift system

P.23A-94

44

Fail system of damper clutch system

P.23A-95

45
46

Fail system of clutch system

P.23A-95

48
51

Inhibitor switch system

P.23A-95

52
53

Stop lamp switch system

P.23A-101

54
56

CVT control relay system

P.23A-106

59

Steel belt system

P.23A-112

57

Fail system of line pressure system

P.23A-113

71
72

Main

Index

Group

TOC