Infiniti EX35. Manual - part 25

ADP-94

< COMPONENT DIAGNOSIS >

LIFTING SENSOR (FRONT)

LIFTING SENSOR (FRONT)

Description

INFOID:0000000003134731

• The lifting sensor (front) is installed to the seat slide cushion frame.
• The pulse signal is inputted to the driver seat control unit when the lifting (front) is operated.
• The driver seat control unit counts the pulse and calculates the lifting (front) amount of the seat.

Component Function Check

INFOID:0000000003134732

1.

CHECK FUNCTION

1.

Turn ignition switch ON.

2.

Select “LIFT FR PULSE” in “Data monitor” mode with CONSULT-III.

3.

Check the lifting sensor (front) signal under the following conditions.

*1

:The value at the seat position attained when the battery is connected is considered to be 32768.

Is the indication normal?

YES

>> INSPECTION END

NO

>> Perform diagnosis procedure. Refer to 

ADP-94, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003134733

1.

CHECK LIFTING SENSOR (FRONT) SIGNAL

1.

Turn ignition switch ON.

2.

Check the voltage signal driver seat control unit harness connector and ground with an oscilloscope.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to

ADP-209, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK LIFTING SENSOR (FRONT) CIRCUIT

1.

Turn ignition switch OFF.

2.

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

3.

Check continuity between driver seat control unit harness connector and lifting motor (front) harness con-
nector.

Monitor item

Condition

Value

LIFT FR PULSE

Seat lifting (front)

Operate (Up)

Change (increase)

*1

Operate (Down)

Change (decrease)

*1

Release

No change

*1

(+)

(–)

Condition

Voltage (V)

(Approx.)

Driver seat control unit

Connector

Terminal

B451

25

Ground

Seat Lifting
(front)

Operate

Other than 
above

0 or 5

JMJIA0119ZZ

LIFTING SENSOR (FRONT)

ADP-95

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

4.

Check continuity between driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connector.

3.

CHECK LIFTING SENSOR (FRONT) POWER SUPPLY

1.

Connect driver seat control unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between lifting motor (front) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK LIFTING SENSOR (FRONT) POWER SUPPLY CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit connector.

3.

Check continuity between driver seat control unit harness connector and lifting motor (front) harness con-
nector.

4.

Check continuity between driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-209, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

5.

CHECK LIFTING SENSOR (FRONT) GROUND 

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit connector.

3.

Check continuity between driver seat control unit harness connector and lifting motor (front) harness con-
nector.

Driver seat control unit 

Lifting motor (front)

Continuity

Connector

Terminal

Connector

Terminal

B451

25

B455

25

Existed

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B451

25

Not existed

(+)

(–)

Voltage (V)

(Approx.)

Lifting motor (front)

Connector

Terminal

B455

16

Ground

Battery voltage

Driver seat control unit 

Lifting motor (front)

Continuity

Connector

Terminal

Connector

Terminal

B451

16

B455

16

Existed

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B451

16

Not existed

Driver seat control unit

Lifting motor (front)

Continuity

Connector

Terminal

Connector

Terminal

B451

31

B455

31

Existed

ADP-96

< COMPONENT DIAGNOSIS >

LIFTING SENSOR (FRONT)

Is the inspection result normal?

YES

>> Replace lifting motor (front).

NO

>> Repair or replace harness.

LIFTING SENSOR (REAR)

ADP-97

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

LIFTING SENSOR (REAR)

Description

INFOID:0000000003134734

• The lifting sensor (rear) is installed to the seat slide cushion frame. 
• The pulse signal is inputted to the driver seat control unit when the lifting (rear) is operated.
• The driver seat control unit counts the pulse and calculates the lifting (rear) amount of the seat. 

Component Function Check

INFOID:0000000003134735

1.

CHECK FUNCTION

1.

Turn ignition switch ON.

2.

Select “LIFT RR PULSE” in “Data monitor” mode with CONSULT-III.

3.

Check lifting sensor (rear) signal under the following conditions.

*1

: The value at the seat position attained when the battery is connected is considered to be 32768.

Is the indication normal?

YES

>> INSPECTION END

NO

>> Perform diagnosis procedure. Refer to 

ADP-97, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003134736

1.

CHECK LIFTING SENSOR (REAR) SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage signal between driver seat control unit harness connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-209, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK LIFTING SENSOR (REAR) CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit and lifting motor (rear) connector.

3.

Check the continuity between driver seat control unit harness connector and lifting motor (rear) harness
connector.

Monitor item

Condition

Value

LIFT RR PULSE

Seat lifting (rear)

Operate (Up)

Change (increase)

*1

Operate (Down)

Change (decrease)

*1

Release

No change

*1

(+)

(–)

Condition

Voltage (V)

(Approx.)

Driver seat control unit

Connector

Terminal

B451

10

Ground

Seat Lifting
(rear)

Operate

Other than above

0 or 5

JMJIA0119ZZ