Infiniti QX56 (JA60). Manual — part 27

RECLINING MOTOR

ADP-99

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

RECLINING MOTOR

Description

INFOID:0000000005147553

• The reclining motor LH is installed to the seatback assembly.

• The reclining motor LH is activated with the driver seat control unit.

• The seatback is reclined forward/backward by changing the rotation direction of reclining motor LH.

Component Function Check

INFOID:0000000005147554

1.

CHECK FUNCTION

1. Select “SEAT RECLINING” in “Active test” mode with CONSULT-III.

2. Check the reclining motor LH operation.

Is the operation of relevant parts normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to

ADP-99, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005147555

Regarding Wiring Diagram information, refer to

ADP-119, "Wiring Diagram"

.

1.

CHECK RECLINING MOTOR LH POWER SUPPLY

1. Turn the ignition switch OFF.

2. Perform “Active test” (“SEAT RECLINING”) with CONSULT-lll

3. Check voltage between driver seat control unit harness connec-

tor and ground.

Is the inspection result normal?

YES

>> Replace reclining motor LH. (Built in seatback assembly). Refer to

SE-69, "Disassembly and

Assembly"

.

NO

>> GO TO 2

2.

CHECK RECLINING MOTOR LH CIRCUIT

Test Item

Description

SEAT RECLINING

OFF

Seat reclining

Stop

FR

Forward

RR

Backward

Terminal

Test Item

Voltage (V)

(Approx.)

(+)

(-)

Driver

seat con-

trol unit

connector

Terminal

B203

36

Ground

SEAT RE-
CLINING

OFF

0

FR (forward)

Battery voltage

RR (backward)

0

44

OFF

0

FR (forward)

0

RR (backward)

Battery voltage

PIIA4802E

ADP-100

< COMPONENT DIAGNOSIS >

RECLINING MOTOR

1. Disconnect driver seat control unit and reclining motor LH.

2. Check continuity between driver seat control unit harness con-

nector and reclining motor harness connector.

3. Check continuity between driver seat control unit harness con-

nector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

CHECK INTERMITTENT INCIDENT

Refer to

GI-38, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to

ADP-174, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning part.

Driver seat control

unit connector

Terminal

Reclining motor LH

connector

Terminal

Continuity

B203 (A)

36

B205 (B)

4

Yes

44

3

Driver seat control unit

connector

Terminal

Ground

Continuity

B203 (A)

36

No

44

ALJIA0322ZZ

LIFTING MOTOR (FRONT)

ADP-101

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

LIFTING MOTOR (FRONT)

Description

INFOID:0000000005147556

• The lifting motor (front) is installed to the power seat frame assembly.

• The lifting motor (front) is activated with the driver seat control unit.

• The lifter (front) is moved upward/downward by changing the rotation direction of lifting motor (front).

Component Function Check

INFOID:0000000005147557

1.

CHECK FUNCTION

1. Select “SEAT LIFTER FR” in “Active test” mode with CONSULT-III.

2. Check the lifting motor (front) operation.

Is the operation of relevant parts normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to

ADP-101, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005147558

Regarding Wiring Diagram information, refer to

ADP-119, "Wiring Diagram"

.

1.

CHECK LIFTING MOTOR (FRONT) POWER SUPPLY

1. Turn the ignition switch OFF.

2. Perform “Active test” (“SEAT LIFTER FR”) with CONSULT-lll.

3. Check voltage between driver seat control unit harness connec-

tor and ground.

Is the inspection result normal?

YES

>> Replace lifting motor (front). (Built in power seat frame assembly). Refer to

SE-69, "Disassembly

and Assembly"

.

NO

>> GO TO 2

2.

CHECK LIFTING MOTOR (FRONT) CIRCUIT

Test Item

Description

SEAT LIFTER FR

OFF

Seat lifting (front)

Stop

UP

Upward

DWN

Downward

Terminal

Test Item

Voltage (V)

(Approx.)

(+)

(-)

Driver seat
control unit

connector

Terminal

B203

37

Ground

SEAT
LIFTER
FR

OFF

0

UP

0

DWN (down)

Battery voltage

45

OFF

0

UP

Battery voltage

DWN (down)

0

PIIA4805E

ADP-102

< COMPONENT DIAGNOSIS >

LIFTING MOTOR (FRONT)

1. Disconnect driver seat control unit and lifting motor (front).

2. Check continuity between driver seat control unit harness con-

nector and lifting motor (front) harness connector.

3. Check continuity between driver seat control unit harness con-

nector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

CHECK INTERMITTENT INCIDENT

Refer to

GI-38, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to

ADP-174, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning part.

Driver seat control

unit connector

Terminal

Lifting motor (front)

connector

Terminal

Continuity

B203 (A)

37

B206 (B)

1

Yes

45

5

Driver seat control unit

connector

Terminal

Ground

Continuity

B203 (A)

37

No

45

ALJIA0323ZZ