Infiniti FX35, FX50 (S51). Manual - part 1806

LOCK-UP CONTROL

TM-31

< SYSTEM DESCRIPTION >

[7AT: RE7R01A (VQ35HR)]

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Component Parts Location

INFOID:0000000005477012

NOTE:

• The following components are included in A/T shift selector assembly.

- Manual mode select switch

- Manual mode position select switch

- Shift position switch

• The following components are included in control valve with TCM.

- TCM

- Input speed sensor 1, 2

- Output speed sensor

1.

Selector lever position indicator

2.

A/T shift selector assembly

3.

A/T assembly connector

4.

Control valve with TCM*

5.

Accelerator pedal position sensor

6.

Manual mode indicator

7.

Shift position indicator

8.

A/T CHECK indicator lamp

A.

Center console

B.

A/T assembly

C.

Accelerator pedal

D.

Combination meter

JSDIA0782ZZ

TM-32

< SYSTEM DESCRIPTION >

[7AT: RE7R01A (VQ35HR)]

LOCK-UP CONTROL

- A/T fluid temperature sensor

- Transmission range switch

- Direct clutch solenoid valve

- High and low reverse clutch solenoid valve

- Input clutch solenoid valve

- Front brake solenoid valve

- Low brake solenoid valve

- Anti-interlock solenoid valve

- 2346 brake solenoid valve

- Line pressure solenoid valve

- Torque converter clutch solenoid valve

*: Control valve with TCM is included in A/T assembly.

Component Description

INFOID:0000000005250013

Name

Function

TCM

The TCM consists of a microcomputer and connectors for signal input and output and 
for power supply. The TCM controls the A/T.

Output speed sensor

TM-76, "Description"

Input speed sensor 1

TM-74, "Description"

Input speed sensor 2

A/T fluid temperature sensor

TM-72, "Description"

Torque converter clutch solenoid valve

TM-94, "Description"

Torque converter clutch control valve

Switches the lock-up to operating or released. Also, by performing the lock-up operation 
transiently, lock-up smoothly.

ECM

EC-30, "System Description"

SHIFT MECHANISM

TM-33

< SYSTEM DESCRIPTION >

[7AT: RE7R01A (VQ35HR)]

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SHIFT MECHANISM

Cross-Sectional View

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2WD MODELS

AWD MODELS

1.

Low brake

2.

Reverse brake

3.

Direct clutch

4.

High and low reverse clutch

5.

2nd one-way clutch

6.*

1

Rear carrier

7.

Mid carrier

8.

Input clutch

9.*

2

Front sun gear

10.*

3

Front carrier

11.

Under drive carrier

12.

1st one-way clutch

13.

Front brake

14.

2346 brake

15.*

4

Input shaft

16.

Torque converter

17.

Oil pump

18.*

2

Under drive sun gear

19.*

3

Under drive internal gear

20.*

4

Front internal gear

21.

Mid sun gear

22.*

1

Mid internal gear

23.

Rear sun gear

24.

Rear internal gear

25.

High and low reverse clutch hub

26.

Control valve with TCM

27.

Parking gear

28.

Rear extension

29.

Output shaft

*1: 6 and 22 are one unit.

*2: 9 and 18 are one unit.

*3: 10 and 19 are one unit.

*4: 15 and 20 are one unit.

JSDIA0768ZZ

TM-34

< SYSTEM DESCRIPTION >

[7AT: RE7R01A (VQ35HR)]

SHIFT MECHANISM

1.

Low brake

2.

Reverse brake

3.

Direct clutch

4.

High and low reverse clutch

5.

2nd one-way clutch

6.*

1

Rear carrier

7.

Mid carrier

8.

Input clutch

9.*

2

Front sun gear

10.*

3

Front carrier

11.

Under drive carrier

12.

1st one-way clutch

13.

Front brake

14.

2346 brake

15.*

4

Input shaft

16.

Torque converter

17.

Oil pump

18.*

2

Under drive sun gear

19.*

3

Under drive internal gear

20.*

4

Front internal gear

21.

Mid sun gear

22.*

1

Mid internal gear

23.

Rear sun gear

24.

Rear internal gear

25.

High and low reverse clutch hub

26.

Control valve with TCM

27.

Parking gear

28.

Adapter case

29.

Output shaft

*1: 6 and 22 are one unit.

*2: 9 and 18 are one unit.

*3: 10 and 19 are one unit.

*4: 15 and 20 are one unit.

JSDIA0771ZZ