Infiniti G35 (V35). Manual — part 19

TROUBLE DIAGNOSIS

AT-67

D

E

F

G

H

I

J

K

L

M

A

B

AT

23

Slips/Will
Not
Engage

Vehicle cannot be
started from D

1

.

Refer to

AT-190,

"Vehicle Cannot Be
Started From D

1

"

.

ON vehicle

1. A/T fluid level and state

AT-50

2. Accelerator pedal position sensor

AT-125

3. Line pressure test

AT-52

4. CAN communication line

AT-98

5. Control valve with TCM

AT-225

OFF vehicle

6. Torque converter

AT-263

7. Oil pump assembly

AT-279

8. 3rd one-way clutch

AT-282

9. 1st one-way clutch

AT-289

10. Gear system

AT-255

11. Reverse brake

AT-263

12. Forward one-way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to

AT-

17, "Cross-sectional View"

.)

AT-263

13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to

AT-17, "Cross-

sectional View"

.)

AT-263

24

Does not lock-up.
Refer to

AT-200, "A/T

Does Not Perform
Lock-up"

.

ON vehicle

1. A/T fluid level and state

AT-50

2. Line pressure test

AT-52

3. Engine speed signal

AT-117

4. Turbine revolution sensor

AT-110

5. Torque converter clutch solenoid valve

AT-119

6. CAN communication line

AT-98

7. Control valve with TCM

AT-225

OFF vehicle

8. Torque converter

AT-263

9. Oil pump assembly

AT-279

25

Does not hold lock-up
condition.
Refer to

AT-201, "A/T

Does Not Hold Lock-
up Condition"

.

ON vehicle

1. A/T fluid level and state

AT-50

2. Line pressure test

AT-52

3. Engine speed signal

AT-117

4. Turbine revolution sensor

AT-110

5. Torque converter clutch solenoid valve

AT-119

6. CAN communication line

AT-98

7. Control valve with TCM

AT-225

OFF vehicle

8. Torque converter

AT-263

9. Oil pump assembly

AT-279

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page

AT-68

TROUBLE DIAGNOSIS

26

Slips/Will
Not
Engage

Lock-up is not
released.
Refer to

AT-203,

"Lock-up Is Not
Released"

.

ON vehicle

1. A/T fluid level and state

AT-50

2. Line pressure test

AT-52

3. Engine speed signal

AT-117

4. Turbine revolution sensor

AT-110

5. Torque converter clutch solenoid valve

AT-119

6. CAN communication line

AT-98

7. Control valve with TCM

AT-225

OFF vehicle

8. Torque converter

AT-263

9. Oil pump assembly

AT-279

27

No shock at all or the
clutch slips when
vehicle changes
speed D

1

→

D

2

or

M

1

→

M

2

.

ON vehicle

1. A/T fluid level and state

AT-50

2. Vehicle speed sensor A/T and vehicle speed sensor MTR

AT-112

,

AT-110

3. ATF pressure switch 5 and direct clutch solenoid valve

AT-168

,

AT-148

4. CAN communication line

AT-98

5. Line pressure test

AT-52

6. Control valve with TCM

AT-225

OFF vehicle

7. Torque converter

AT-263

8. Oil pump assembly

AT-279

9. 3rd one-way clutch

AT-282

10. Gear system

AT-255

11. Direct clutch

AT-296

12. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to

AT-17, "Cross-

sectional View"

.)

AT-263

28

No shock at all or the
clutch slips when
vehicle changes
speed D

2

→

D

3

or

M

2

→

M

3

.

ON vehicle

1. A/T fluid level and state

AT-50

2. Vehicle speed sensor A/T and vehicle speed sensor MTR

AT-112

,

AT-133

3. ATF pressure switch 6 and high and low reverse clutch
solenoid valve

AT-170

,

AT-152

4. CAN communication line

AT-98

5. Line pressure test

AT-52

6. Control valve with TCM

AT-225

OFF vehicle

7. Torque converter

AT-263

8. Oil pump assembly

AT-279

9. 3rd one-way clutch

AT-282

10. Gear system

AT-255

11. High and low reverse clutch

AT-294

12. Forward one- way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to

AT-

17, "Cross-sectional View"

.)

AT-263

13. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to

AT-17, "Cross-

sectional View"

.)

AT-263

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page

TROUBLE DIAGNOSIS

AT-69

D

E

F

G

H

I

J

K

L

M

A

B

AT

29

Slips/Will
Not
Engage

No shock at all or the
clutch slips when
vehicle changes
speed D

3

→

D

4

or

M

3

→

M

4

.

ON vehicle

1. A/T fluid level and state

AT-50

2. Vehicle speed sensor A/T and vehicle speed sensor MTR

AT-112

,

AT-133

3. ATF pressure switch 3 and input clutch solenoid valve

AT-166

,

AT-140

4. ATF pressure switch 1 and front brake solenoid valve

AT-164

,

AT-144

5. CAN communication line

AT-98

6. Line pressure test

AT-52

7. Control valve with TCM

AT-225

OFF vehicle

8. Torque converter

AT-263

9. Oil pump assembly

AT-279

10. Input clutch

AT-284

11. Gear system

AT-255

12. High and low reverse clutch

AT-294

13. Direct clutch

AT-296

30

No shock at all or the
clutch slips when
vehicle changes
speed D

4

→

D

5

or

M

4

→

M

5

.

ON vehicle

1. A/T fluid level and state

AT-50

2. Vehicle speed sensor A/T and vehicle speed sensor MTR

AT-112

,

AT-133

3. ATF pressure switch 1 and front brake solenoid valve

AT-164

,

AT-144

4. ATF pressure switch 5 and direct clutch solenoid valve

AT-168

,

AT-148

5. CAN communication line

AT-98

6. Line pressure test

AT-52

7. Control valve with TCM

AT-225

OFF vehicle

8. Torque converter

AT-263

9. Oil pump assembly

AT-279

10. Front brake (brake band)

AT-263

11. Input clutch

AT-284

12. Gear system

AT-255

13. High and low reverse clutch

AT-294

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page

AT-70

TROUBLE DIAGNOSIS

31

Slips/Will
Not
Engage

When you press the
accelerator pedal and
shift speed D

5

→

D

4

or M

5

→

M

4

the

engine idles or the A/
T slips.

ON vehicle

1. A/T fluid level and state

AT-50

2. Vehicle speed sensor A/T and vehicle speed sensor MTR

AT-112

,

AT-133

3. ATF pressure switch 1 and front brake solenoid valve

AT-164

,

AT-144

4. ATF pressure switch 5 and direct clutch solenoid valve

AT-168

,

AT-148

5. CAN communication line

AT-98

6. Line pressure test

AT-52

7. Control valve with TCM

AT-225

OFF vehicle

8. Torque converter

AT-263

9. Oil pump assembly

AT-279

10. Input clutch

AT-284

11. Gear system

AT-255

12. High and low reverse clutch

AT-294

13. Direct clutch

AT-296

32

When you press the
accelerator pedal and
shift speed D

4

→

D

3

or M

4

→

M

3

the

engine idles or the A/
T slips.

ON vehicle

1. A/T fluid level and state

AT-50

2. Vehicle speed sensor A/T and vehicle speed sensor MTR

AT-112

,

AT-133

3. ATF pressure switch 3 and input clutch solenoid valve

AT-166

,

AT-140

4. ATF pressure switch 1 and front brake solenoid valve

AT-164

,

AT-144

5. CAN communication line

AT-98

6. Line pressure test

AT-52

7. Control valve with TCM

AT-225

OFF vehicle

8. Torque converter

AT-263

9. Oil pump assembly

AT-279

10. 3rd one-way clutch

AT-282

11. Gear system

AT-255

12. High and low reverse clutch

AT-294

13. Forward one- way clutch (Parts behind drum support is
impossible to perform inspection by disassembly. Refer to

AT-

17, "Cross-sectional View"

.)

AT-263

14. Forward brake (Parts behind drum support is impossible
to perform inspection by disassembly. Refer to

AT-17, "Cross-

sectional View"

.)

AT-263

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page