Nissan Pathfinder (2007 year). Instruction — part 12

TROUBLE DIAGNOSIS

AT-67

D

E

F

G

H

I

J

K

L

M

A

B

AT

2007 Pathfinder

14

No Down
Shift

In “D” range, does not
downshift to 4th gear.
Refer to

AT-205, "A/T

Does Not Shift: 5th
gear

→

4th gear"

.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 1 and front brake solenoid valve

AT-159

,

AT-143

4. ATF pressure switch 5 and direct clutch solenoid valve

AT-163

,

AT-147

5. CAN communication line

AT-97

6. Line pressure test

AT-53

7. Control valve with TCM

AT-227

OFF vehicle

8. Front brake (brake band)

AT-258

9. Input clutch

AT-281

15

In “D” or “3”range,
does not downshift to
3rd gear.
Refer to

AT-207, "A/T

Does Not Shift: 4th
gear

→

3rd gear"

.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 3 and input clutch solenoid valve

AT-161

,

AT-139

4. ATF pressure switch 1 and front brake solenoid valve

AT-159

,

AT-143

5. CAN communication line

AT-97

6. Line pressure test

AT-53

7. Control valve with TCM

AT-227

OFF vehicle

8. Input clutch

AT-281

16

In “D” or “2” range,
does not downshift to
2nd gear.
Refer to

AT-209, "A/T

Does Not Shift: 3rd
gear

→

2nd gear"

.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 6, high and low reverse clutch sole-
noid valve

AT-165

,

AT-151

4. CAN communication line

AT-97

5. Line pressure test

AT-53

6. Control valve with TCM

AT-227

OFF vehicle

7. High and low reverse clutch

AT-292

17

In “D” or “1” range,
does not downshift to
1st gear.
Refer to

AT-211, "A/T

Does Not Shift: 2nd
gear

→

1st gear"

.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 5 and direct clutch solenoid valve

AT-163

,

AT-147

4. CAN communication line

AT-97

5. Line pressure test

AT-53

6. Control valve with TCM

AT-227

OFF vehicle

7. Direct clutch

AT-294

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page

AT-68

TROUBLE DIAGNOSIS

2007 Pathfinder

18

Slips/Will
Not
engage

When “D” position,
remains in 1st gear.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. Direct clutch solenoid valve

AT-147

4. Line pressure test

AT-53

5. CAN communication line

AT-97

6. Control valve with TCM

AT-227

OFF vehicle

7. 3rd one-way clutch

AT-279

8. 1st one-way clutch

AT-287

9. Gear system

AT-246

10. Reverse brake

AT-258

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

AT-18

.)

AT-258

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

AT-18

.)

AT-258

19

When “D” position,
remains in 2nd gear.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. Low coast brake solenoid valve

AT-155

4. Line pressure test

AT-53

5. CAN communication line

AT-97

6. Control valve with TCM

AT-227

OFF vehicle

7. 3rd one-way clutch

AT-279

8. Gear system

AT-246

9. Direct clutch

AT-294

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

AT-18

.)

AT-258

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

2007 Pathfinder

20

Slips/Will
Not
engage

When “D” position,
remains in 3rd gear.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. Line pressure test

AT-53

4. CAN communication line

AT-97

5. Control valve with TCM

AT-227

OFF vehicle

6. 3rd one-way clutch

AT-279

7. Gear system

AT-246

8. High and low reverse clutch

AT-292

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

AT-18

.)

AT-258

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

AT-18

.)

AT-258

21

When “D” position,
remains in 4th gear.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 3 and input clutch solenoid valve

AT-161

,

AT-139

4. ATF pressure switch 5 and direct clutch solenoid valve

AT-163

,

AT-

147

5. ATF pressure switch 6, high and low reverse clutch sole-
noid valve

AT-165

,

AT-151

6. Low coast brake solenoid valve

AT-155

7. Front brake solenoid valve

AT-143

8. Line pressure test

AT-53

9. CAN communication line

AT-97

10. Control valve with TCM

AT-227

OFF vehicle

11. Input clutch

AT-281

12. Gear system

AT-246

13. High and low reverse clutch

AT-292

14. Direct clutch

AT-294

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page

AT-70

TROUBLE DIAGNOSIS

2007 Pathfinder

22

Slips/Will
Not
Engage

When “D” position,
remains in 5th gear.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 1 and front brake solenoid valve

AT-159

,

AT-143

4. Line pressure test

AT-53

5. CAN communication line

AT-97

6. Control valve with TCM

AT-227

OFF vehicle

7. Front brake (brake band)

AT-258

8. Input clutch

AT-281

9. Gear system

AT-246

10. High and low reverse clutch

AT-292

23

Vehicle cannot be
started from D

1

.

Refer to

AT-188,

"Vehicle Cannot Be
Started From D

1

"

.

ON vehicle

1. Fluid level and state

AT-52

2. Accelerator pedal position sensor

AT-124

3. Line pressure test

AT-53

4. CAN communication line

AT-97

5. Control valve with TCM

AT-227

OFF vehicle

6. Torque converter

AT-258

7. Oil pump assembly

AT-276

8. 3rd one-way clutch

AT-279

9. 1st one-way clutch

AT-287

10. Gear system

AT-246

11. Reverse brake

AT-258

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

AT-18

.)

AT-258

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

AT-18

.)

AT-258

24

Does not lock-up.
Refer to

AT-198, "A/T

Does Not Perform
Lock-up"

.

ON vehicle

1. Fluid level and state

AT-52

2. Line pressure test

AT-53

3. Engine speed signal

AT-116

4. Turbine revolution sensor

AT-109

5. Torque converter clutch solenoid valve

AT-118

6. CAN communication line

AT-97

7. Control valve with TCM

AT-227

OFF vehicle

8. Torque converter

AT-258

9. Oil pump assembly

AT-276

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page

TROUBLE DIAGNOSIS

AT-71

D

E

F

G

H

I

J

K

L

M

A

B

AT

2007 Pathfinder

25

Slips/Will
Not
engage

Does not hold lock-up
condition.
Refer to

AT-200, "A/T

Does Not Hold Lock-
up Condition"

.

ON vehicle

1. Fluid level and state

AT-52

2. Line pressure test

AT-53

3. Engine speed signal

AT-116

4. Turbine revolution sensor

AT-109

5. Torque converter clutch solenoid valve

AT-118

6. CAN communication line

AT-97

7. Control valve with TCM

AT-227

OFF vehicle

8. Torque converter

AT-258

9. Oil pump assembly

AT-276

26

Lock-up is not
released.
Refer to

AT-202,

"Lock-up Is Not
Released"

.

ON vehicle

1. Fluid level and state

AT-52

2. Line pressure test

AT-53

3. Engine speed signal

AT-116

4. Turbine revolution sensor

AT-109

5. Torque converter clutch solenoid valve

AT-118

6. CAN communication line

AT-97

7. Control valve with TCM

AT-227

OFF vehicle

8. Torque converter

AT-258

9. Oil pump assembly

AT-276

27

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

1

→

D

2

.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 5 and direct clutch solenoid valve

AT-163

,

AT-147

4. CAN communication line

AT-97

5. Line pressure test

AT-53

6. Control valve with TCM

AT-227

OFF vehicle

7. Torque converter

AT-258

8. Oil pump assembly

AT-276

9. 3rd one-way clutch

AT-279

10. Gear system

AT-246

11. Direct clutch

AT-294

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

AT-18

.)

AT-258

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page

AT-72

TROUBLE DIAGNOSIS

2007 Pathfinder

28

Slips/Will
Not
engage

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

2

→

D

3

.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 6, high and low reverse clutch sole-
noid valve

AT-165

,

AT-151

4. CAN communication line

AT-97

5. Line pressure test

AT-53

6. Control valve with TCM

AT-227

OFF vehicle

7. Torque converter

AT-258

8. Oil pump assembly

AT-276

9. 3rd one-way clutch

AT-279

10. Gear system

AT-246

11. High and low reverse clutch

AT-292

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

AT-18

.)

AT-258

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

AT-18

.)

AT-258

29

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

3

→

D

4

.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 3 and input clutch solenoid valve

AT-161

,

AT-139

4. ATF pressure switch 1 and front brake solenoid valve

AT-159

,

AT-143

5. CAN communication line

AT-97

6. Line pressure test

AT-53

7. Control valve with TCM

AT-227

OFF vehicle

8. Torque converter

AT-258

9. Oil pump assembly

AT-276

10. Input clutch

AT-281

11. Gear system

AT-246

12. High and low reverse clutch

AT-292

13. Direct clutch

AT-294

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page

TROUBLE DIAGNOSIS

AT-73

D

E

F

G

H

I

J

K

L

M

A

B

AT

2007 Pathfinder

30

Slips/Will
Not
engage

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

4

→

D

5

.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 1 and front brake solenoid valve

AT-159

,

AT-143

4. ATF pressure switch 5 and direct clutch solenoid valve

AT-163

,

AT-147

5. CAN communication line

AT-97

6. Line pressure test

AT-53

7. Control valve with TCM

AT-227

OFF vehicle

8. Torque converter

AT-258

9. Oil pump assembly

AT-276

10. Front brake (brake band)

AT-258

11. Input clutch

AT-281

12. Gear system

AT-246

13. High and low reverse clutch

AT-292

31

When you press the
accelerator pedal and
shift speed D

5

→

D

4

the engine idles or the
transmission slips.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 1 and front brake solenoid valve

AT-159

,

AT-143

4. ATF pressure switch 5 and direct clutch solenoid valve

AT-163

,

AT-147

5. CAN communication line

AT-97

6. Line pressure test

AT-53

7. Control valve with TCM

AT-227

OFF vehicle

8. Torque converter

AT-258

9. Oil pump assembly

AT-276

10. Input clutch

AT-281

11. Gear system

AT-246

12. High and low reverse clutch

AT-292

13. Direct clutch

AT-294

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page

AT-74

TROUBLE DIAGNOSIS

2007 Pathfinder

32

Slips/Will
Not
engage

When you press the
accelerator pedal and
shift speed D

4

→

D

3

the engine idles or the
transmission slips.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 3 and input clutch solenoid valve

AT-161

,

AT-139

4. ATF pressure switch 1 and front brake solenoid valve

AT-159

,

AT-143

5. CAN communication line

AT-97

6. Line pressure test

AT-53

7. Control valve with TCM

AT-227

OFF vehicle

8. Torque converter

AT-258

9. Oil pump assembly

AT-276

10. 3rd one-way clutch

AT-279

11. Gear system

AT-246

12. High and low reverse clutch

AT-292

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

AT-18

.)

AT-258

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

AT-18

.)

AT-258

33

When you press the
accelerator pedal and
shift speed D

3

→

D

2

the engine idles or the
transmission slips.

ON vehicle

1. Fluid level and state

AT-52

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

AT-111

,

AT-132

3. ATF pressure switch 6, high and low reverse clutch sole-
noid valve

AT-165

,

AT-151

4. ATF pressure switch 5 and direct clutch solenoid valve

AT-163

,

AT-147

5. CAN communication line

AT-97

6. Line pressure test

AT-53

7. Control valve with TCM

AT-227

OFF vehicle

8. Torque converter

AT-258

9. Oil pump assembly

AT-276

10. 3rd one-way clutch

AT-279

11. Gear system

AT-246

12. Direct clutch

AT-294

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

AT-18

.)

AT-258

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page