Infiniti EX35. Manual - part 1257

 

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Infiniti EX35. Manual - part 1257

 

 

MOTOR SENSOR

SE-35

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

YES

>> Motor sensor (LH) is OK.

NO

>> Repair or replace harness.

3.

CHECK MOTOR SENSOR (LH) POWER SUPPLY

Check voltage between power return motor assembly (LH) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK MOTOR SENSOR (LH) POWER SUPPLY CIRCUIT

1.

Disconnect power return motor assembly (LH) connector and rear seatback power return control unit con-
nector.

2.

Check continuity between rear seatback power return control unit harness connector and power return
motor assembly (LH) harness connector.

3.

Check continuity between rear seatback power return control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace rear seatback power return control unit. Refer to 

SE-105, "Removal and Installation"

.

NO

>> Repair or replace harness.

5.

CHECK MOTOR SENSOR (LH) GROUND CIRCUIT

1.

Disconnect power return motor assembly (LH) connector and rear seatback power return control unit con-
nector.

2.

Check continuity between power return motor assembly harness connector and ground.

Is the inspection result normal?

YES

>> Replace motor sensor (LH) [reclining device assembly (LH)]. Refer to

SE-98, "Exploded View"

.

NO

>> Repair or replace harness.

RH

RH : Description

INFOID:0000000003642195

Detect the operation condition of power return motor (RH). 

RH : Component Function Check

INFOID:0000000003642196

1.

CHECK FUNCTION

Check that the rear seatback (RH) rises when pressing and holding the power return switch (RH) or rear seat-
back switch (RH) in UP direction.

(+)

(–)

Condition

Voltage (V)

(Approx.)

Power return motor assembly (LH)

Connector

Terminal 

B511

3

Ground

When the power return motor is operated

Battery voltage

Rear seatback power return control unit

Power return motor assembly (LH)

Continuity

Connector

Terminal

Connector

Terminal

B227

11

B511

3

Existed

Rear seatback power return control unit

Ground

Continuity 

Connector

Terminal

B227

11

Not existed

Rear seatback power return control unit

Power return motor assembly (LH)

Continuity 

Connector

Terminal

Connector

Terminal

B227

9

B511

5

Existed

SE-36

< COMPONENT DIAGNOSIS >

MOTOR SENSOR

Is the inspection result normal?

YES

>> Motor sensor (RH) is OK.

NO

>> Refer to 

SE-36, "RH : Diagnosis Procedure"

.

RH : Diagnosis Procedure

INFOID:0000000003642197

1.

CHECK MOTOR SENSOR (RH) OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between power return motor assembly (RH) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK MOTOR SENSOR (RH) SIGNAL CIRCUIT

1.

Disconnect power return motor assembly (RH) connector and rear seatback power return control unit con-
nector.

2.

Check continuity between power return motor assembly (RH) harness connector and rear seatback power
return control unit harness connector.

3.

Check continuity between power return motor assembly (RH) harness connector and ground.

Is the inspection result normal?

YES

>> Motor sensor (RH) is OK.

NO

>> Repair or replace harness.

3.

CHECK MOTOR SENSOR (RH) POWER SUPPLY

Check voltage between power return motor assembly (RH) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

(+)

(–)

Condition

Voltage (V)

(Approx.)

Power return motor assembly (RH)

Connector

Terminal 

B504

18

Ground

During the power return motor 
(RH) operation

When pinching between LH/RH 
seats occurs

The above pulse width should be 
expanded

JMKIA0070GB

Rear seatback power return control unit

Power return motor assembly (RH)

Continuity

Connector

Terminal

Connector

Terminal

B227

2

B504

18

Existed

Rear seatback power return control unit

Ground

Continuity

Connector

Terminal

B227

2

Not existed

(+)

(–)

Condition

Voltage (V)

(Approx.)

Power return motor assembly (RH)

Connector

Terminal 

B504

17

Ground

When the power return motor is operated

Battery voltage

MOTOR SENSOR

SE-37

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

NO

>> GO TO 4.

4.

CHECK MOTOR SENSOR (RH) POWER SUPPLY CIRCUIT

1.

Disconnect power return motor assembly (RH) connector and rear seatback power return control unit con-
nector.

2.

Check continuity between rear seatback power return control unit harness connector and power return
motor assembly (RH) harness connector.

3.

Check continuity between rear seatback power return control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace rear seatback power return control unit. Refer to 

SE-105, "Removal and Installation"

.

NO

>> Repair or replace harness.

5.

CHECK MOTOR SENSOR (RH) GROUND CIRCUIT

1.

Disconnect power return motor assembly (RH) connector and rear seatback power return control unit con-
nector.

2.

Check continuity between power return motor assembly harness connector and ground.

Is the inspection result normal?

YES

>> Replace motor sensor (RH) [reclining device assembly (RH)]. Refer to

SE-98, "Exploded View"

.

NO

>> Repair or replace harness.

Rear seatback power return control unit

Power return motor assembly (RH)

Continuity

Connector

Terminal

Connector

Terminal

B227

3

B504

17

Existed

Rear seatback power return control unit

Ground

Continuity 

Connector

Terminal

B227

3

Not existed

Rear seatback power return control unit

Power return motor assembly (RH)

Continuity 

Connector

Terminal

Connector

Terminal

B227

1

B504

19

Existed

SE-38

< COMPONENT DIAGNOSIS >

POWER RETURN MOTOR

POWER RETURN MOTOR

LH

LH : Description

INFOID:0000000003642198

Operate the rear seatback. 

LH : Component Function Check

INFOID:0000000003642199

1.

CHECK FUNCTION

Check that the rear seatback (LH) rises when pressing and holding the power return switch (LH) or rear seat-
back switch (LH) in UP direction.

Is the inspection result normal?

YES

>> Power return motor (LH) is OK.

NO

>> Refer to 

SE-38, "LH : Diagnosis Procedure"

.

LH : Diagnosis Procedure

INFOID:0000000003642200

1.

CHECK POWER RETURN MOTOR (LH) INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between power return motor assembly (LH) harness connector and ground.

Is the inspection result normal?

YES

>> Replace power return motor assembly (LH) [reclining device assembly (LH)]. Refer to 

SE-98,

"Exploded View"

.

NO

>> GO TO 2.

2.

CHECK POWER RETURN MOTOR (LH) CIRCUIT

1.

Disconnect rear seatback power return control unit connector and power return motor assembly (LH) con-
nector.

2.

Check continuity between rear seatback power return control unit harness connector and power return
motor assembly (LH) harness connector. 

3.

Check continuity between rear seatback power return control unit harness connector and ground.

Is the inspection result normal?

(+)

(–)

Condition

Voltage (V)

(Approx.)

Power return motor assembly (LH)

Connector

Terminal

B511

1

Ground

During the power return motor (LH) reverse 
operation

Battery voltage

Other than the above

0

2

During the power return motor (LH)  return 
operation

Battery voltage

Other than the above

0

Rear seatback power return control unit 

Power return motor assembly (LH)

Continuity 

Connector

Terminal

Connector

Terminal

B227

5

B511

1

Existed

6

2

Rear seatback power return control unit 

Ground

Continuity

Connector

Terminal

B227

5

Not existed

6

 

 

 

 

 

 

 

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