Infiniti QX56 (Z62). Manual — part 476

DLN-104

< SYMPTOM DIAGNOSIS >

[TRANSFER: ATX90A]

INFORMATION DISPLAY IS NOT DISPLAYED

INFORMATION DISPLAY IS NOT DISPLAYED

Description

INFOID:0000000006222321

Information display is not displayed.
NOTE:
When the combination meter receives 4WD shift switch signal, it displays a message on the information dis-
play and inform the driver of 4WD mode status. About indication contents, refer to

DLN-18, "4WD SYSTEM :

System Description"

(4WD mode).

Diagnosis Procedure

INFOID:0000000006222322

1.

CHECK 4WD SHIFT SWITCH

Perform trouble diagnosis for 4WD shift switch. Refer to

DLN-67, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK 4WD MODE INDICATOR LAMP

Perform trouble diagnosis for 4WD mode indicator. Refer to

DLN-98, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK THE INFORMATION DISPLAY

Check that information except 4WD mode is displayed on information display.

Is the inspection result normal?

YES

>> Replace transfer control unit. Refer to

DLN-107, "Removal and Installation"

.

NO

>> Check information display. Refer to

MWI-29, "On Board Diagnosis Function"

.

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

DLN-105

< SYMPTOM DIAGNOSIS >

[TRANSFER: ATX90A]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting Chart

INFOID:0000000006222323

Use the chart below to find the cause of the symptom. The numbers indicate the order of the inspection. If necessary, repair or replace these
parts.

Reference

DLN

-10

6,

"

Inspe

c

ti

on

"

—

F

ron

t o

il se

al

:

DLN-109, "

Exp

lod

ed

V

ie

w

"

Re

ar o

il

se

al

:

DLN-1

1

1

, "

E

x

p

lod

ed

V

ie

w

"

—

—

—

SUSPECTED PARTS
(Possible cause)

T

R

ANSFER F

L

UID (Level

low)

T

R

ANSFER F

L

UID (W

rong)

T

R

ANSFER F

L

UID (Level

too high)

LI

QUI

D

GASKET

(Dam

ag

ed

)

OIL

SEA

L (W

o

rn o

r da

m

age

d)

GEAR

(W

orn

o

r

da

ma

ge

d)

B

EARING (W

orn

or

da

ma

ge

d)

T

R

ANSFER CAS

E

(Damaged)

Symptom

Noise

1

2

3

3

3

Transfer fluid leakage

4

1

2

2

3

DLN-106

< PERIODIC MAINTENANCE >

[TRANSFER: ATX90A]

TRANSFER FLUID

PERIODIC MAINTENANCE

TRANSFER FLUID

Inspection

INFOID:0000000006222324

FLUID LEAKAGE

Check transfer surrounding area (oil seal, drain plug, and filler plug etc.) for fluid leakage.

FLUID LEVEL

1.

Remove filler plug (1) and gasket. Then check that fluid is filled
up from mounting hole for the filler plug.

CAUTION:

Never start engine while checking fluid level.

2.

Set a new gasket onto filler plug (1), and install it on transfer and
then tighten to the specified torque.

CAUTION:

Never reuse gasket.

Draining

INFOID:0000000006222325

1.

Run the vehicle to warm up the transfer unit sufficiently.

2.

Stop the engine.

3.

Remove the drain plug (1) and drain transfer fluid.

4.

Set a new gasket onto drain plug (1), and install it to transfer and
tighten to the specified torque.

CAUTION:

Never reuse gasket.

Refilling

INFOID:0000000006222326

1.

Remove filler plug (1). Fill up with new transfer fluid up to mount-
ing hole for the filler plug.

CAUTION:

Carefully fill the fluid. (Fill up for approximately 3 minutes.)

2.

Leave the vehicle for 3 minutes, and check the fluid level again.

3.

Set a new gasket onto filler plug, and install it on transfer and
tighten to the specified torque.

CAUTION:

Never reuse gasket.

4.

Perform learning of transfer fluid viscosity. Refer to

DLN-47, "Work Procedure"

.

Specified torque

: 33 N·m (3.4 kg-m, 24 ft-lb)

JPDIE0295ZZ

Specified torque

: 33 N-m (3.4 kg-m, 24 ft-lb)

JPDIE0245ZZ

Fluid grade and Viscosity

: Refer to

MA-10, "Fluids

and Lubricants"

.

Fluid capacity

: Refer to

DLN-124, "Gen-

eral Specifications"

.

Specified torque

: 33 N-m (3.4 kg-m, 24 ft-lb)

JPDIE0295ZZ

TRANSFER CONTROL UNIT

DLN-107

< REMOVAL AND INSTALLATION >

[TRANSFER: ATX90A]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

REMOVAL AND INSTALLATION

TRANSFER CONTROL UNIT

Removal and Installation

INFOID:0000000006222327

REMOVAL

1.

Turn the ignition switch OFF.

2.

Disconnect negative battery terminal.

CAUTION:

Wait for 5 seconds after turning ignition switch OFF.

3.

Remove the glove box assembly. Refer to

IP-14, "Removal and Installation"

.

4.

Disconnect the transfer control unit connector.

5.

Move instrument lower cover to backward. Refer to

IP-14, "Removal and Installation"

.

6.

Remove the transfer control unit.

INSTALLATION

Note the following, and install in the reverse order of removal.
• When replacing transfer control unit, perform writing unit parameter and initial calibration. Refer to

DLN-41,

"Work Procedure"

.