Infiniti QX56 (Z62). Manual - part 30

LIFTING MOTOR (REAR)

ADP-113

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

Is the inspection result normal?

YES

>> Replace driver seat control unit.

NO

>> Repair or replace harness or connector.

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B451

41

Not existed

42

ADP-114

< DTC/CIRCUIT DIAGNOSIS >

TILT MOTOR

TILT MOTOR

Component Function Check

INFOID:0000000006248410

1.

CHECK FUNCTION

1.

Select “TILT MOTOR” in “Active test” mode with CONSULT-III.

2.

Check the tilt motor operation.

Is the operation of relevant parts normal? 

YES

>> INSPECTION END

NO

>> Perform diagnosis procedure. Refer to 

ADP-114, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006248411

1.

CHECK TILT MOTOR INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect tilt motor connector.

3.

Turn ignition switch ON.

4.

Perform “Active test” (“TILT MOTOR”) with CONSULT-III.

5.

Check voltage between tilt motor harness connector and ground.

Is the inspection result normal?

YES

>> Replace tilt motor (built in steering column assembly).

NO

>> GO TO 2.

2.

CHECK TILT MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect automatic drive positioner control unit.

3.

Check continuity between automatic drive positioner control unit harness connector and tilt motor harness
connector.

4.

Check continuity between automatic drive positioner control unit harness connector and ground.

Test item

Description

TILT MOTOR

OFF

Steering tilt

Stop

UP

Upward

DWN

Downward

(+)

(-)

Condition

Voltage (V)

(Approx.)

Tilt motor

Connector

Terminals

M116

1

Ground

TILT MOTOR

OFF

0

UP

0

DWN (down)

12

2

OFF

0

UP

12

DWN (down)

0

Automatic drive positioner control unit

Tilt motor

Continuity

Connector

Terminal

Connector

Terminal

M104

28

M116

1

Existed

29

2

TILT MOTOR

ADP-115

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

Is the inspection result normal?

YES

>> Replace automatic drive positioner control unit.

NO

>> Repair or replace harness or connector.

Automatic drive positioner control unit

Ground

Continuity 

Connector

Terminal

M104

28

Not existed

29

ADP-116

< DTC/CIRCUIT DIAGNOSIS >

TELESCOPIC MOTOR

TELESCOPIC MOTOR

Component Function Check

INFOID:0000000006248412

1.

CHECK FUNCTION

1.

Select “TELESCO MOTOR” in “Active test” mode with CONSULT-III. 

2.

Check the telescopic motor operation.

Is the operation of relevant parts normal?

YES

>> INSPECTION END

NO

>> Perform diagnosis procedure. Refer to 

ADP-116, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006248413

1.

CHECK TELESCOPIC MOTOR INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect telescopic motor connector.

3.

Turn ignition switch ON.

4.

Perform “Active test” (“TELESCO MOTOR”) with CONSULT-lll

5.

Check voltage between telescopic motor harness connector and ground.

Is the inspection result normal?

YES

>> Replace telescopic motor (built in steering column assembly).

NO

>> GO TO 2.

2.

CHECK TELESCOPIC MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect automatic drive positioner control unit.

3.

Check continuity between automatic drive positioner control unit harness connector and telescopic motor
harness connector.

4.

Check continuity between automatic drive positioner control unit harness connector and ground.

Test item

Description

TELESCO MOTOR

OFF

Steering telescopic

Stop

FR Forward

RR

Backward

(+)

(-)

Condition

Voltage (V)

(Approx.)

Telescopic motor

Connector

Terminals

M117

1

Ground

TELESCOPIC MO-
TOR

OFF

0

FR (forward)

0

RR (backward)

12

2

OFF

0

FR (forward)

12

RR (backward)

0

Automatic drive positioner control unit

Telescopic motor

Continuity

Connector

Terminal

Connector

Terminal

M75

26

M117

1

Existed

29

2