Infiniti QX56 (Z62). Manual - part 1280

STRUCTURE AND OPERATION

TM-29

< SYSTEM DESCRIPTION >

[7AT: RE7R01B]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

Front planetary gear

Under drive planetary gear

Rear planetary gear

Mid planetary gear

“D

3

” and “M3” Positions

Name

Front sun gear

Front carrier

Front internal gear

Condition

Fixed

Output

Input

Direction of rotation

—

Clockwise revolution

Clockwise revolution

Number of revolutions

—

Deceleration from front internal 

gear

Same number of revolution as the 

input shaft

Name

Under drive sun gear

Under drive carrier

Under drive internal gear

Condition

Fixed

—

Input/Output

Direction of rotation

—

Clockwise revolution

Clockwise revolution

Number of revolutions

—

Deceleration from under drive in-

ternal gear

Same number of revolution as the 

front carrier

Name

Rear sun gear

Rear carrier

Rear internal gear

Condition

Fixed

Output

Input

Direction of rotation

—

Clockwise revolution

Clockwise revolution

Number of revolutions

—

Deceleration from rear internal 

gear

Same number of revolution as the 

under drive internal gear

Name

Mid sun gear

Mid carrier

Mid internal gear

Condition

Fixed

Output

Input

Direction of rotation

—

Clockwise revolution

Clockwise revolution

Number of revolutions

—

Deceleration from mid internal gear

Same number of revolution as the 

rear carrier

TM-30

< SYSTEM DESCRIPTION >

[7AT: RE7R01B]

STRUCTURE AND OPERATION

• The front sun gear and the under drive sun gear are fixed by the 2346 brake.
• The direct clutch gets engaged and connects the rear sun gear with the rear carrier.
• The mid sun gear is fixed by the low brake.
• Each planetary gear enters the state described below.

JSDIA0870GB

STRUCTURE AND OPERATION

TM-31

< SYSTEM DESCRIPTION >

[7AT: RE7R01B]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

Front planetary gear

Under drive planetary gear

Rear planetary gear

Mid planetary gear

“D

4

” and “M4” Positions

Name

Front sun gear

Front carrier

Front internal gear

Condition

Fixed

Output

Input

Direction of rotation

—

Clockwise revolution

Clockwise revolution

Number of revolutions

—

Deceleration from front internal 

gear

Same number of revolution as the 

input shaft

Name

Under drive sun gear

Under drive carrier

Under drive internal gear

Condition

Fixed

—

Input/Output

Direction of rotation

—

Clockwise revolution

Clockwise revolution

Number of revolutions

—

Deceleration from under drive in-

ternal gear

Same number of revolution as the 

front carrier

Name

Rear sun gear

Rear carrier

Rear internal gear

Condition

—

Output

Input

Direction of rotation

Clockwise revolution

Clockwise revolution

Clockwise revolution

Number of revolutions

Same number of revolution as the 

rear internal gear

Same number of revolution as the 

rear internal gear

Same number of revolution as the 

under drive internal gear

Name

Mid sun gear

Mid carrier

Mid internal gear

Condition

Fixed

Output

Input

Direction of rotation

—

Clockwise revolution

Clockwise revolution

Number of revolutions

—

Deceleration from mid internal gear

Same number of revolution as the 

rear carrier

TM-32

< SYSTEM DESCRIPTION >

[7AT: RE7R01B]

STRUCTURE AND OPERATION

• The front sun gear and the under drive sun gear are fixed by the 2346 brake.
• The direct clutch gets engaged and connects the rear sun gear with the rear carrier.
• The high and low reverse clutch gets engaged and connects the rear sun gear with the mid sun gear.
• Each planetary gear enters the state described below.

JSDIA0871GB