Nissan Pathfinder (2009 year). Manual - part 7

POWER SUPPLY AND GROUND CIRCUIT

ADP-43

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

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M

A

B

ADP

N

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P

1.

Turn ignition switch OFF.

2.

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

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness.

2.

 CHECK GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> Automatic drive positioner control unit power supply and

ground circuit are OK.

NO

>> Repair or replace harness.

AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Special Repair Requirement

INFOID:0000000003935508

1.

PERFORM ADDITIONAL SERVICE

Perform additional service when removing battery negative terminal.

>> Refer to Owner’s Manual.

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Automatic drive positioner 

control unit connector

Terminal

M33

34

Ground

Battery voltage

39

PIIA4543E

Automatic drive positioner 

control unit connector

Terminal

Ground

Continuity

M33

40

Yes

48

PIIA4544E

2009 Pathfinder

ADP-44

< COMPONENT DIAGNOSIS >

SLIDING SWITCH

SLIDING SWITCH

Description

INFOID:0000000003935509

Sliding switch is equipped to the power seat switch LH on the seat cushion trim. The operation signal is input
to the driver seat control unit when the sliding switch is operated.

Component Function Check

INFOID:0000000003935510

1.

 CHECK FUNCTION

1.

Select “SLIDE SW-FR”, “SLIDE SW-RR” in “Data monitor” mode with CONSULT-III. 

2.

Check sliding switch signal under the following conditions.

Is the indication normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to 

ADP-44, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003935511

1.

 CHECK SLIDING SWITCH SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between driver seat control unit harness connec-
tor and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> GO TO 2

2.

 CHECK SLIDING SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit and power seat switch LH.

3.

Check continuity between driver seat control unit harness con-
nector and power seat switch LH harness connector.

Monitor item

Condition

Status

SLIDE SW-FR

Sliding switch (forward)

Operate

ON

Release

OFF

SLIDE SW-RR

Sliding switch (backward)

Operate

ON

Release

OFF

Driver seat control 

unit connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

B202

11

Ground

Sliding 

switch

Operate 

(backward)

0

Release

Battery 
voltage

26

Operate 

(forward)

0

Release

Battery 
voltage

PIIA4577E

Driver seat control 

unit connector

Terminal

Power seat switch 

LH connector

Terminal

Continuity

B202 (A)

11

B208 (B)

1

Yes

26

5

ALJIA0308ZZ

2009 Pathfinder

SLIDING SWITCH

ADP-45

< 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.

3.

 CHECK DRIVER SEAT CONTROL UNIT OUTPUT

1.

Connect the driver seat control unit.

2.

Turn ignition switch ON.

3.

Check voltage between driver seat control unit harness connec-
tor and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace driver seat control unit. Refer to 

SE-25, "Exploded View"

.

4.

 CHECK SLIDING SWITCH

Refer to 

ADP-45, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Replace power seat switch LH. Refer to 

SE-25, "Exploded View"

.

5.

 CHECK INTERMITTENT INCIDENT

Refer to 

GI-49, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

SE-25, "Exploded View"

.

NO

>> Repair or replace malfunctioning part.

Component Inspection

INFOID:0000000003935512

1.

 CHECK SLIDING SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch LH.

3.

Check continuity between power seat switch LH terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace power seat switch LH. Refer to 

SE-25, "Exploded View"

.

Driver seat control unit 

connector

Terminal

Ground

Continuity 

B202 (A)

11

No

26

Driver seat control unit 

connector

Terminals

Voltage (V)

(Approx.)

(+)

(–)

B202

11

Ground

Battery voltage

26

PIIA4577E

Terminal

Condition

Continuity

Power seat switch LH

7

1

Sliding switch (backward)

Operate

Yes

Release

No

5

Sliding switch (forward)

Operate

Yes

Release

No

ALJIA0309ZZ

2009 Pathfinder

ADP-46

< COMPONENT DIAGNOSIS >

RECLINING SWITCH

RECLINING SWITCH

Description

INFOID:0000000003935513

Reclining switch is equipped to the power seat switch LH on the seat cushion trim. The operation signal is
input to the driver seat control unit when the reclining switch is operated.

Component Function Check

INFOID:0000000003935514

1.

 CHECK FUNCTION

1.

Select “RECLN SW-FR”, “RECLN SW-RR” in “Data monitor” mode with CONSULT-III. 

2.

Check reclining switch signal under the following conditions.

Is the indication normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to 

ADP-46, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003935515

1.

 CHECK RECLINING SWITCH SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between driver seat control unit harness connec-
tor and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> GO TO 2

2.

 CHECK RECLINING SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit and power seat switch LH.

3.

Check continuity between driver seat control unit harness con-
nector and power seat switch LH harness connector.

4.

Check continuity between driver seat control unit harness con-
nector and ground.

Monitor item

Condition

Status

RECLN SW-FR

Reclining switch (forward)

Operate

ON

Release

OFF

RECLN SW-RR

Reclining switch (backward)

Operate

ON

Release

OFF

Driver seat 
control unit 

connector

Terminals 

Condition

Voltage (V) 

(Approx.)

(+)

(–)

B202

12

Ground

Reclining 

switch

Operate 

(forward)

0

Release

Battery voltage

27

Operate 

(backward)

0

Release

Battery voltage

PIIA4580E

Driver seat control 

unit connector

Terminal

Power seat switch 

LH connector

Terminal

Continuity

B202 (A)

12

B208 (B)

3

Yes

27

4

ALJIA0310ZZ

2009 Pathfinder

RECLINING SWITCH

ADP-47

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK DRIVER SEAT CONTROL UNIT OUTPUT

1.

Connect the driver seat control unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between driver seat control unit harness connec-
tor and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace driver seat control unit. Refer to 

SE-25, "Exploded View"

.

4.

 CHECK RECLINING SWITCH

Refer to 

ADP-47, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Replace power seat switch LH. Refer to 

SE-25, "Exploded View"

.

5.

 CHECK INTERMITTENT INCIDENT

Refer to 

GI-49, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

SE-25, "Exploded View"

.

NO

>> Repair or replace the malfunctioning part. Refer to 

SE-25, "Exploded View"

.

Component Inspection

INFOID:0000000003935516

1.

 CHECK RECLINING SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch LH.

3.

Check continuity between power seat switch LH terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace power seat switch LH. Refer to 

SE-25, "Exploded View"

.

Driver seat control unit

connector

Terminal

Ground

Continuity 

B202 (A)

12

No

27

Driver seat control 

unit connector

Terminals 

Voltage (V) 

(Approx.)

(+)

(–)

B202

12

Ground

Battery voltage

27

PIIA4580E

Terminals

Condition

Continuity

Power seat switch LH

7

3

Reclining switch 
(backward)

Operate

Yes

Release

No

4

Reclining switch 
(forward)

Operate

Yes

Release

No

ALJIA0311ZZ

2009 Pathfinder

ADP-48

< COMPONENT DIAGNOSIS >

LIFTING SWITCH (FRONT)

LIFTING SWITCH (FRONT)

Description

INFOID:0000000003935517

Lifting switch (front) is equipped to the power seat switch LH on the seat cushion trim. The operation signal is
input to the driver seat control unit when the lifting switch (front) is operated.

Component Function Check

INFOID:0000000003935518

1.

 CHECK FUNCTION

1.

Select “LIFT FR SW-UP”, “LIFT FR SW-DN” in “DATA MONITOR” mode with CONSULT-III.

2.

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

Is the indication normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to 

ADP-48, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003935519

1.

 CHECK LIFTING SWITCH SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between driver seat control unit harness connec-
tor and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> GO TO 2

2.

 CHECK LIFTING SWITCH (FRONT) CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit and power seat switch LH.

3.

Check continuity between driver seat control unit harness con-
nector and power seat switch LH harness connector.

Monitor item

Condition

Status

LIFT FR SW-UP

Lifting switch front (up)

Operate

ON

Release

OFF

LIFT FR SW-DN

Lifting switch front (down)

Operate

ON

Release

OFF

Driver seat 
control unit 

connector

Terminals 

Condition

Voltage (V) 

(Approx.)

(+)

(–)

B202

13

Ground

Lifting 

switch 

(front)

Operate 

(down)

0V

Release

Battery 
voltage

28

Operate (up)

0V

Release

Battery 
voltage

PIIA4583E

Driver seat control 

unit connector

Terminal

Power seat switch 

LH connector

Terminal

Continuity

B202 (A)

13

B208 (B)

9

Yes

28

10

ALJIA0312ZZ

2009 Pathfinder

LIFTING SWITCH (FRONT)

ADP-49

< 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.

3.

 CHECK DRIVER SEAT CONTROL UNIT OUTPUT

1.

Connect the driver seat control unit.

2.

Turn ignition switch ON.

3.

Check voltage between driver seat control unit harness connec-
tor and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace driver seat control unit. Refer to 

SE-25, "Exploded View"

.

4.

 CHECK LIFTING SWITCH (FRONT)

Refer to 

ADP-49, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Replace power seat switch LH. Refer to 

SE-25, "Exploded View"

.

5.

 CHECK INTERMITTENT INCIDENT

Refer to 

GI-49, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

SE-25, "Exploded View"

.

NO

>> Repair or replace the malfunctioning part.

Component Inspection

INFOID:0000000003935520

1.

 CHECK LIFTING SWITCH (FRONT)

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch LH.

3.

Check continuity between power seat switch LH terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace power seat switch LH. Refer to 

SE-25, "Exploded View"

.

Driver seat control unit

connector

Terminal

Ground

Continuity 

B202 (A)

13

No

28

Driver seat control unit

connector

Terminals 

Voltage (V) 

(Approx.)

(+)

(–)

B202

13

Ground

Battery voltage

28

PIIA4583E

Terminal

Condition

Continuity

Power seat switch LH

7

9

Lifting switch front (down)

Operate

Yes

Release

No

10

Lifting switch front (up)

Operate

Yes

Release

No

ALJIA0313ZZ

2009 Pathfinder

ADP-50

< COMPONENT DIAGNOSIS >

LIFTING SWITCH (REAR)

LIFTING SWITCH (REAR)

Description

INFOID:0000000003935521

Lifting switch (rear) is equipped to the power seat switch LH on the seat cushion trim. The operation signal is
input to the driver seat control unit when the lifting switch (rear) is operated.

Component Function Check

INFOID:0000000003935522

1.

 CHECK FUNCTION

1.

Select “LIFT RR SW-UP”, “LIFT RR SW-DN” in “Data monitor” mode with CONSULT-III. 

2.

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

Is the indication normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to 

ADP-50, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003935523

1.

 CHECK LIFTING SWITCH (REAR) SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between driver seat control unit harness connec-
tor and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> GO TO 2

2.

 CHECK LIFTING SWITCH (REAR) CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit and power seat switch LH.

3.

Check continuity between driver seat control unit harness con-
nector and power seat switch LH harness connector.

4.

Check continuity between driver seat control unit harness con-
nector and ground.

Monitor item

Condition

Status

LIFT RR SW-UP

Lifting switch rear (up)

Operate

ON

Release

OFF

LIFT RR SW-DN

Lifting switch rear  (down)

Operate

ON

Release

OFF

Driver seat 
control unit 

connector

Terminals 

Condition

Voltage (V) 

(Approx.)

(+)

(–)

B202

14

Ground

Lifting 

switch

(rear)

Operate (down)

0

Release

Battery voltage

29

Operate (up)

0

Release

Battery voltage

PIIA4586E

Driver seat control 

unit connector

Terminal

Power sear switch 

LH connector

Terminal

Continuity

B202 (A)

14

B208 (B)

2

Yes

29

6

ALJIA0314ZZ

2009 Pathfinder