Nissan Pathfinder. Manual - part 32

ADP-120

< DTC/CIRCUIT DIAGNOSIS >

RECLINING SENSOR

RECLINING SENSOR

Description

INFOID:0000000009176623

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

• The pulse signal is input to the driver seat control unit when the reclining is operated.

• The driver seat control unit counts the pulse and calculates the reclining amount of the seat.

Component Function Check

INFOID:0000000009176624

1.

 CHECK FUNCTION

1. Select “RECLN PULSE” in “DATA MONITOR” mode with CONSULT.

2. Check reclining sensor signal under the following conditions.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to 

ADP-120, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009176625

Regarding Wiring Diagram information, refer to 

ADP-55, "WITH AROUND VIEW MONITOR : Wiring Diagram"

or 

ADP-40, "WITHOUT AROUND VIEW MONITOR : Wiring Diagram"

.

1.

 CHECK RECLINING SENSOR SIGNAL

1. Turn ignition switch ON.

2. Read 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-161, "Removal and Installation"

.

NO

>> GO TO 2.

2.

 CHECK RECLINING SENSOR CIRCUIT

1. Turn ignition switch OFF.

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

Monitor item

Condition

Value

RECLN PULSE

Seat reclining

Operate (forward)

Change (decrease)

Operate (backward)

Change (increase)

Release

No change

(+)

(–)

Condition

Voltage signal

Driver seat control 

unit 

Connec-

tor 

Termi-

nal

B209

13

Ground

Seat 
reclin-
ing

Operate

Other 
than 
above

0 or 5

JMJIA0119ZZ

RECLINING SENSOR

ADP-121

< DTC/CIRCUIT DIAGNOSIS >

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F

G

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B

ADP

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3. Check continuity between driver seat control unit harness connector and reclining motor LH harness con-

nector.

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 RECLINING SENSOR POWER SUPPLY

1. Connect driver seat control unit.

2. Turn ignition switch ON.

3. Check voltage between reclining motor LH harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

 CHECK RECLINING SENSOR POWER SUPPLY CIRCUIT 

1. Turn ignition switch OFF.

2. Disconnect driver seat control unit.

3. Check continuity between driver seat control unit harness connector and reclining motor LH 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-161, "Removal and Installation"

.

NO

>> Repair or replace harness.

5.

 CHECK RECLINING SENSOR GROUND 

1. Turn ignition switch OFF.

2. Check continuity between reclining motor LH harness connector and ground.

Driver seat control unit

Reclining motor LH

Continuity

Connector

Terminal

Connector

Terminal

B209

13

B217

1

Yes

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B209

13

No

(+)

(–)

Voltage (V)

(Approx.)

Reclining motor LH

Connector

Terminals

B217

3

Ground

Battery voltage

Driver seat control unit

Reclining motor LH

Continuity

Connector

Terminal

Connector

Terminal

B209

5

B217

3

Yes

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B209

5

No

ADP-122

< DTC/CIRCUIT DIAGNOSIS >

RECLINING SENSOR

Is the inspection result normal?

YES

>> Replace reclining motor LH. Refer to 

SE-86, "Removal and Installation"

.

NO

>> Repair or replace harness.

Reclining motor LH

Ground

Continuity

Connector

Terminal

B217

2

Yes

LIFTING SENSOR (FRONT)

ADP-123

< DTC/CIRCUIT DIAGNOSIS >

C

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F

G

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A

B

ADP

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LIFTING SENSOR (FRONT)

Description

INFOID:0000000009176626

• The lifting sensor (front) is installed to the seat frame.

• The pulse signal is input 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:0000000009176627

1.

CHECK FUNCTION

1. Select “LIFT FR PULSE” in “DATA MONITOR” mode with CONSULT.

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

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to 

ADP-123, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009176628

Regarding Wiring Diagram information, refer to 

ADP-55, "WITH AROUND VIEW MONITOR : Wiring Diagram"

or 

ADP-40, "WITHOUT AROUND VIEW MONITOR : Wiring Diagram"

.

1.

 CHECK LIFTING SENSOR (FRONT) SIGNAL

1. Turn ignition switch ON.

2. Read the voltage signal between driver seat control unit harness connector and ground with an oscillo-

scope.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

 CHECK LIFTING SENSOR (FRONT) CIRCUIT

1. Turn ignition switch OFF.

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

3. Check continuity between driver seat control unit harness connector and lifting motor LH (front) harness

connector.

Monitor item

Condition

Value

LIFT FR PULSE

Seat lifting (front)

Operate (up)

Change (decrease)

Operate (down)

Change (increase)

Release

No change

(+)

(–)

Condition

Voltage signal

Driver seat control unit

Connector

Terminal

B209

30

Ground

Seat lifting
(front)

Operate

Other than 
above

0 or 5

JMJIA0119ZZ