Infiniti EX35. Manual - part 1254

REAR SEATBACK SWITCH

SE-23

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

4.

CHECK REAR SEATBACK SWITCH (RH)

Check rear seatback switch (RH). 
Refer to

SE-23, "RH : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace rear seatback switch (RH). Refer to 

SE-110, "Removal and Installation"

.

5.

CHECK REAR SEATBACK POWER RETURN CONTROL UNIT OUTPUT SIGNAL

1.

Connect rear seatback power return control unit connector.

2.

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

Is the inspection result normal?

YES

>> GO TO 6.

NO

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

SE-105, "Removal and Installation"

.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END

RH : Component Inspection

INFOID:0000000003642175

1.

CHECK REAR SEATBACK SWITCH (RH)

1.

Turn ignition switch OFF.

2.

Disconnect rear seatback switch (RH) connector.

3.

Check rear seatback switch (RH) connector.

Is the inspection result normal?

YES

>> Rear seatback switch (RH) is OK.

NO

>> Replace rear seatback switch (RH). Refer to 

SE-110, "Removal and Installation"

.

(+)

(–)

Voltage (V)

(Approx.)

Rear seatback power return control unit

Connector

Terminal

B226

20

Ground

5

Rear seatback switch (RH) connector 

Terminal

Condition

Continuity

B239

2

3

Rear seatback switch (RH) is pressed in 
UP direction

Existed

Rear seatback switch (RH) is released in 
UP direction

Not existed

SE-24

< COMPONENT DIAGNOSIS >

PRIMARY POSITION LIMIT SWITCH

PRIMARY POSITION LIMIT SWITCH

LH

LH : Description

INFOID:0000000003642176

Detect the initial position of sector gear (LH). 

LH : Component Function Check

INFOID:0000000003642177

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

>> Primary position limit switch (LH) is OK.

NO

>> Refer to 

SE-24, "LH : Diagnosis Procedure"

.

LH : Diagnosis Procedure

INFOID:0000000003642178

1.

CHECK REAR SEATBACK POWER RETURN CONTROL UNIT INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

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

NOTE:
It is not low power consumption mode. 

Is the inspection result normal?

YES

>> Primary position limit switch (LH) is OK.

NO

>> GO TO 2.

2.

CHECK PRIMARY POSITION LIMIT SWITCH (LH) SIGNAL CIRCUIT

1.

Disconnect rear seatback power return control unit connector and primary position limit switch (LH) con-
nector.

2.

Check continuity between rear seatback power return control unit harness connector and primary position
limit switch (LH) harness connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK PRIMARY POSITION LIMIT SWITCH (LH) GROUND CIRCUIT

(+)

(–)

Condition

Voltage (V)

(Approx.)

Rear seatback power return control unit

Connector

Terminal

B226

21

Ground

When the sensor gear (LH) is the initial posi-
tion

Battery voltage

Other than the above

0

Rear seatback power return control unit

Primary position limit switch (LH)

Continuity

Connector

Terminal

Connector

Terminal

B226

21

B512

6

Existed

Rear seatback power return control unit

Ground

Continuity 

Connector

Terminal

B226

21

Not existed

PRIMARY POSITION LIMIT SWITCH

SE-25

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

1.

Check continuity between rear seatback power return control unit harness connector and primary position
limit switch (LH) harness connector.

2.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK PRIMARY POSITION LIMIT SWITCH (LH)

Check primary position limit switch (LH). 
Refer to 

SE-25, "LH : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace primary position limit switch (LH) [reclining device assembly (LH)]. Refer to 

SE-98,

"Exploded View"

. 

5.

CHECK REAR SEATBACK POWER RETURN CONTROL UNIT OUTPUT SIGNAL

1.

Connect rear seatback power return control unit connector.

2.

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

NOTE:
It is not low power consumption mode. 
Is the inspection result normal?

YES

>> GO TO 6.

NO

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

SE-105, "Removal and Installation"

.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END

LH : Component Inspection

INFOID:0000000003642179

COMPONENT INSPECTION

1.

CHECK PRIMARY POSITION LIMIT SWITCH (LH)

1.

Turn ignition switch OFF.

2.

Disconnect primary position limit switch (LH) connector.

3.

Check primary position limit switch (LH).

Rear seatback power return control unit

Primary position limit switch (LH)

Continuity

Connector

Terminal

Connector

Terminal

B226

31

B512

9

Existed

Rear seatback power return control unit

Ground

Continuity 

Connector

Terminal

B226

31

Not existed

(+)

(–)

Voltage (V)

(Approx.)

Rear seatback power return control unit

Connector

Terminal 

B226

21

Ground

Battery voltage

Primary position limit switch (LH) connector

Terminal

Condition

Continuity

B512

6

9

Primary position limit switch (LH) is pressed

Existed

Primary position limit switch (LH) is released

Not existed

SE-26

< COMPONENT DIAGNOSIS >

PRIMARY POSITION LIMIT SWITCH

Is the inspection result normal?

YES

>> Primary position limit switch (LH) is OK.

NO

>> Replace primary position limit switch (LH) [reclining device assembly (LH)]. Refer to 

SE-98,

"Exploded View"

. 

RH

RH : Description

INFOID:0000000003642180

Detect the initial position of sector gear (RH). 

RH : Component Function Check

INFOID:0000000003642181

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.
Is the inspection result normal?

YES

>> Primary position limit switch (RH) is OK.

NO

>> Refer to 

SE-26, "RH : Diagnosis Procedure"

.

RH : Diagnosis Procedure

INFOID:0000000003642182

1.

CHECK REAR SEATBACK POWER RETURN CONTROL UNIT INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

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

NOTE:
It is not low power consumption mode. 

Is the inspection result normal?

YES

>> Primary position limit switch (RH) is OK.

NO

>> GO TO 2.

2.

CHECK PRIMARY POSITION LIMIT SWITCH (RH) SIGNAL CIRCUIT

1.

Disconnect rear seatback power return control unit connector and primary position limit switch (RH) con-
nector.

2.

Check continuity between rear seatback power return control unit harness connector and primary position
limit switch (RH) harness connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

(+)

(–)

Condition

Voltage (V)

(Approx.)

Rear seatback power return control unit

Connector

Terminal

B226

22

Ground

When the sector gear (RH) is the initial posi-
tion

Battery voltage

Other than the above

0

Rear seatback power return control unit

Primary position limit switch (RH)

Continuity

Connector

Terminal

Connector

Terminal

B226

22

B505

15

Existed

Rear seatback power return control unit

Ground

Continuity 

Connector

Terminal

B226

22

Not existed