Infiniti QX56 (Z62). Manual - part 1316

SYSTEM SYMPTOM

TM-173

< SYMPTOM DIAGNOSIS >

[7AT: RE7R01B]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

*: Parts behind drum support is impossible to perform inspection by disassembly. Refer to 

TM-16, "TRANSMISSION : Cross-Sectional

View"

.

Func-
tion 
trouble

Poor 
pow-
er 
trans-
mis-
sion

Slip

With selector lever 
in “D” position, ac-
celeration is ex-
tremely poor.

1

1

2

1

1

2

With selector lever 
in “R” position, ac-
celeration is ex-
tremely poor.

1

1

1

1

1

1

2

While starting off 
by accelerating in 
1GR, engine rac-
es.

1

1

2

1

1

1

2

While accelerating 
in 2GR, engine 
races.

1

2

1

1

1

2

While accelerating 
in 3GR, engine 
races.

1

2

1

1

1

2

While accelerating 
in 4GR, engine 
races.

1

1

1

1

1

2

While accelerating 
in 5GR, engine 
races.

1

1

1

1

1

2

While accelerating 
in 6GR, engine 
races.

1

1

1

1

1

2

While accelerating 
in 7GR, engine 
races.

1

1

1

1

2

Lock-up

1

1

1

2

No  creep  at  all.

1

1

2

1

1

1

1

1

1

1

1

2

1

Extremely large 
creep.

1

Symptom

Diagnostic item

Oil pump

T

o

rqu

e

 co

nv

ert

e

r

L

o

w brak

e

*

F

ron

t b

rak

e

Hi

gh

 an

d low rev

e

rs

e 

c

lu

tc

h

In

pu

t c

lut

ch

Dire

ct cl

utc

h

23

46

 b

rak

e

Rev

e

rs

e bra

k

e

1

s

t on

e-wa

y 

cl

utc

h

2n

d on

e-w

a

y c

lu

tch

ge

ar

co

ntrol

 va

lv

e

Pa

rki

n

g co

mp

on

en

t

TM

-2

7

0

TM

-2

1

1

TM

-2

1

1

TM

-2

1

1

TM

-2

9

2

TM

-2

8

2

TM

-2

9

4

TM

-2

7

0

TM

-2

1

1

TM

-2

1

1

TM

-2

8

7

TM

-2

1

1

TM

-1

8

2

TM

-2

1

1

TM-174

< SYMPTOM DIAGNOSIS >

[7AT: RE7R01B]

SYSTEM SYMPTOM

*: Parts behind drum support is impossible to perform inspection by disassembly. Refer to 

TM-16, "TRANSMISSION : Cross-Sectional

View"

.

Symptom

Diagnostic item

Oil pum

p

T

o

rq

ue

 co

nv

ert

e

r

Lo

w bra

k

e

*

F

ron

t b

rak

e

Hig

h

 and

 l

o

w re

ve

rse

 c

lut

ch

In

pu

t clu

tch

Direct clutch

23

46

 bra

ke

Re

vers

e b

rak

e

ge

ar

1

s

t on

e-way

 c

lu

tch

2n

d o

ne

-way

 cl

ut

ch

co

ntro

l v

a

lv

e

Pa

rki

ng

 co

mp

on

en

t

TM-27

0

TM-21

1

TM-21

1

TM-21

1

TM-29

2

TM-28

2

TM-29

4

TM-27

0

TM-21

1

TM-21

1

TM-28

7

TM-21

1

TM-18

2

TM-21

1

Function 
trouble

Power trans-
mission cannot 
be performed

Vehicle cannot run in all position.

1

1

2

1

1

1

1

1

1

2

1

Driving is not possible in “D” posi-
tion.

1

1

2

1

1

1

1

1

1

1

1

2

1

Driving is not possible in “R” posi-
tion.

1

1

1

1

1

2

1

Engine stall

1

Engine stalls when selector lever 
shifted “N” 

→

 “D” or “R”.

1

Engine does not start in “N” or “P” 
position.

1

Engine starts in position other 
than “N” or “P”.

Poor operation

Vehicle does not enter parking 
condition.

1

Parking condition is not cancelled.

1

Vehicle runs with A/T in “P” posi-
tion.

2

1

1

1

1

1

1

2

1

Vehicle moves forward with the 
“R” position.

2

1

1

1

1

1

2

Vehicle runs with A/T in “N” posi-
tion.

2

1

1

1

1

1

1

2

Vehicle moves backward with the 
“D” position.

1

2

A/T FLUID

TM-175

< PERIODIC MAINTENANCE >

[7AT: RE7R01B]

C

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F

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M

A

B

TM

N

O

P

PERIODIC MAINTENANCE

A/T FLUID

Inspection

INFOID:0000000006288673

FLUID LEAKAGE

• Check transaxle surrounding area (oil seal and plug etc.) for fluid

leakage.

• If anything is found, repair or replace damaged parts and adjust A/

T fluid level. Refer to 

TM-95, "Adjustment"

.

JSDIA1912ZZ

TM-176

< REMOVAL AND INSTALLATION >

[7AT: RE7R01B]

A/T SHIFT SELECTOR

REMOVAL AND INSTALLATION

A/T SHIFT SELECTOR

Exploded View

INFOID:0000000006226891

Removal and Installation

INFOID:0000000006226892

REMOVAL

1.

Shift the selector lever to “N” position.

2.

Remove knob cover (A) below selector lever downward.

3.

Pull lock pin (1) out of selector lever knob (2).

4.

Remove selector lever knob.

5.

Remove center console assembly. Refer to 

IP-25, "Removal and

Installation"

.

CAUTION:

When disconnecting connector from shift position switch,
never twist or apply an excessive load to the connector.

6.

Remove cluster lid C lower. Refer to 

IP-14, "Removal and Instal-

lation"

.

7.

Disconnect A/T shift selector connector and main harness from
A/T shift selector assembly.

8.

Shift the selector lever to “P” position.

9.

Remove control cable from A/T shift selector assembly. Refer to 

TM-178, "Removal and Installation"

.

10. Remove A/T shift selector assembly.

1.

Lock pin

2.

Selector lever knob

3.

A/T shift selector assembly

4.

Bracket

5.

Adapter

Refer to 

GI-4, "Components"

 for symbols in the figure.

JSDIA1554GB

JSDIA1676ZZ