Infiniti FX35 / FX45. Manual - part 37

2. Line pressure test

3. Accelerator pedal position sensor

4. Direct clutch solenoid valve

AT-147

5. PNP switch

6. CAN communication line

7. A/T position

8. Control valve with TCM

OFF vehicle

9. Torque converter

10. Oil pump assembly

16, "Cross-Sectional View (2WD Models)"

11. 1st one-way clutch

12. Gear system

13. Reverse brake

14. Direct clutch

15. Forward one-way clutch (Parts behind drum support is im-
possible to perform inspection by disassembly. Refer to

AT-

AT-17, "Cross-

Sectional View (VQ35DE Models for AWD)"

AT-18, "Cross-

Sectional View (VK45DE Models for AWD)"

)

Sectional View (2WD Models)"

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

AT-16, "Cross-

AT-17, "Cross-Sectional View

(VQ35DE Models for AWD)"

AT-18, "Cross-Sectional View

(VK45DE Models for AWD)"

)

Vehicle cannot run in
all positions.

ON vehicle

1. A/T fluid level and state

2. Line pressure test

3. PNP switch

4. A/T position

5. Control valve with TCM

OFF vehicle

6. Oil pump assembly

7. Gear system

8. Output shaft

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page

TROUBLE DIAGNOSIS

AT-77

< SERVICE INFORMATION >

Slips/Will
Not En-
gage

With selector lever in
“D” position, driving is
not possible.

ON vehicle

1. A/T fluid level and state

2. Line pressure test

3. PNP switch

4. A/T position

5. Control valve with TCM

OFF vehicle

6. Torque converter

7. Oil pump assembly

8. 1st one-way clutch

AT-295

9. Gear system

10. Reverse brake

16, "Cross-Sectional View (2WD Models)"

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

AT-

AT-17, "Cross-

Sectional View (VQ35DE Models for AWD)"

AT-18, "Cross-

Sectional View (VK45DE Models for AWD)"

)

Sectional View (2WD Models)"

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

AT-16, "Cross-

AT-17, "Cross-Sectional View

(VQ35DE Models for AWD)"

AT-18, "Cross-Sectional View

(VK45DE Models for AWD)"

)

With selector lever in
“R” position, driving is
not possible.

ON vehicle

1. A/T fluid level and state

2. Line pressure test

3. PNP switch

4. A/T position

5. Control valve with TCM

OFF vehicle

6. Gear system

7. Output shaft

8. Reverse brake

Does Not
Change

Does not change M5

→

M4.

Refer to

AT-196, "A/T

Does Not Shift: 5th
Gear

4th Gear"

ON vehicle

1. PNP switch

2. A/T fluid level and state

3. A/T position

4. Manual mode switch

5. CAN communication line

6. Control valve with TCM

OFF vehicle

7. Front brake (brake band)

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page

AT-78

< SERVICE INFORMATION >

TROUBLE DIAGNOSIS

Does Not
Change

Does not change M4

→

M3.

Refer to

AT-197, "A/T

Does Not Shift: 4th
Gear

3rd Gear"

ON vehicle

1. PNP switch

2. A/T fluid level and state

3. A/T position

4. Manual mode switch

5. CAN communication line

6. Control valve with TCM

OFF vehicle

7. Front brake (brake band)

8. Input clutch

AT-289

Does not change M3

→

M2.

Refer to

AT-199, "A/T

Does Not Shift: 3rd
Gear

2nd Gear"

ON vehicle

1. PNP switch

2. A/T fluid level and state

3. A/T position

4. Manual mode switch

5. CAN communication line

6. Control valve with TCM

OFF vehicle

7. Front brake (brake band)

8. Input clutch

AT-289

9. High and low reverse clutch

AT-301

Does not change M2

→

M1.

Refer to

AT-201, "A/T

Does Not Shift: 2nd
Gear

1st Gear"

ON vehicle

1. PNP switch

2. A/T fluid level and state

3. A/T position

4. Manual mode switch

5. CAN communication line

6. Control valve with TCM

not Be Changed to
Manual Mode"

OFF vehicle

7. Input clutch

AT-289

8. High and low reverse clutch

AT-301

9. Direct clutch

AT-303

Cannot be changed to
manual mode.
Refer to

AT-195, "Can-

ON vehicle

1. Manual mode switch

2. Turbine revolution sensor

AT-106

3. CAN communication line

Others

Shift point is high in
“D” position.

ON vehicle

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

AT-108

AT-137

2. Accelerator pedal position sensor

3. CAN communication line

4. ATF temperature sensor

AT-132

5. Control valve with TCM

No.

Items

Symptom

Condition

Diagnostic Item

Reference

page

TROUBLE DIAGNOSIS

AT-79

< SERVICE INFORMATION >

Others

Shift point is low in “D”
position.

ON vehicle

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

AT-108

AT-137

2. Accelerator pedal position sensor

3. CAN communication line

4. Control valve with TCM

Judder occurs during
lock-up.

ON vehicle

1. A/T fluid level and state

2. Engine speed signal

AT-112

3. Turbine revolution sensor

AT-106

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

AT-108

AT-137

5. Accelerator pedal position sensor

6. CAN communication line

7. Torque converter clutch solenoid valve

AT-124

8. Control valve with TCM

OFF vehicle

9. Torque converter

Strange noise in “R”
position.

ON vehicle

1. A/T fluid level and state

2. Engine speed signal

AT-112

3. CAN communication line

4. Control valve with TCM

OFF vehicle

5. Torque converter

6. Oil pump assembly

7. Gear system

8. High and low reverse clutch

AT-301

9. Reverse brake

Strange noise in “N”
position.

ON vehicle

1. A/T fluid level and state

2. Engine speed signal

AT-112

3. CAN communication line

4. Control valve with TCM

OFF vehicle

5. Torque converter

6. Oil pump assembly

7. Gear system