Nissan Pathfinder (2009 year). Instruction — part 5

DIAGNOSIS SYSTEM (DRIVER SEAT C/U)

ADP-27

< FUNCTION DIAGNOSIS >

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Work item

Content

Item

SEAT SLIDE VOLUME SET

The amount of seat sliding for entry/exit assist can be selected
from 3 items.

40 mm

80 mm

150 mm

EXIT SEAT SLIDE SETTING

Entry/exit assist (seat) can be selected:
ON (operated) – OFF (not operated)

ON

OFF

2009 Pathfinder

ADP-28

< COMPONENT DIAGNOSIS >

U1000 CAN COMM CIRCUIT

COMPONENT DIAGNOSIS

U1000 CAN COMM CIRCUIT

Description

INFOID:0000000003935475

Refer to

LAN-4, "System Description"

.

DTC Logic

INFOID:0000000003935476

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

STEP 1

Turn ignition switch ON and wait at least 3 seconds.

>> GO TO 2

2.

STEP 2

Check “Self diagnostic result” with CONSULT-III.

Is the DTC detected?

YES

>> Perform diagnosis procedure. Refer to

ADP-28, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000003935477

Refer to

LAN-14, "Trouble Diagnosis Flow Chart"

.

Special Repair Requirement

INFOID:0000000003935478

Refer to Owner’s Instruction.

DTC

Trouble diagnosis

name

DTC detecting condition

Possible cause

U1000

CAN COMM CIR-
CUIT

• Driver seat control unit cannot communicate to other

control units.

• Driver seat control unit cannot communicate for more

than the specified time.

• Harness or connectors

(CAN communication line is
open or shorted)

2009 Pathfinder

B2112 SLIDING MOTOR

ADP-29

< COMPONENT DIAGNOSIS >

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B2112 SLIDING MOTOR

Description

INFOID:0000000003935479

• The seat sliding motor is installed to the seat frame assembly.
• The seat sliding motor is installed with the driver seat control unit.
• Slides the seat frontward/rearward by changing the rotation direction of sliding motor.

DTC Logic

INFOID:0000000003935480

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

STEP 1

Turn ignition switch ON.

>> GO TO 2

2.

STEP 2

Check “Self diagnostic result” with CONSULT-III.

Is the DTC detected?

YES

>> Perform diagnosis procedure. Refer to

ADP-29, "Diagnosis Procedure"

.

NO

>> Inspection End.

NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to

ADP-37, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003935481

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check “Self diagnostic result” with CONSULT-III.

3.

Erase the DTC.

4.

Perform DTC confirmation procedure. Refer to

ADP-29, "DTC Logic"

.

Is the DTC displayed again?

YES

>> GO TO 2

NO

>> Check intermittent incident. Refer to

GI-49, "Intermittent Incident"

.

2.

CHECK COMPONENTS

Refer to

ADP-67, "Component Function Check"

and

ADP-81, "Component Function Check"

.

>> Inspection End.

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

B2112

SEAT SLIDE

The driver seat control unit detects the output of slid-
ing motor output terminal for 0.1 second or more
even if the sliding switch is not input.

• Driver seat control unit

2009 Pathfinder

ADP-30

< COMPONENT DIAGNOSIS >

B2113 RECLINING MOTOR

B2113 RECLINING MOTOR

Description

INFOID:0000000003935482

• The seat reclining motor is installed to the seat frame assembly.
• The seat reclining motor is activated with the driver seat control unit.
• Tilts the seatback frontward/rearward by changing the rotation direction of reclining motor.

DTC Logic

INFOID:0000000003935483

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

STEP 1

Turn ignition switch ON.

>> GO TO 2

2.

STEP 2

Check “Self diagnostic result” with CONSULT-III.

Is the DTC detected?

YES

>> Perform diagnosis procedure. Refer to

ADP-30, "Diagnosis Procedure"

.

NO

>> Inspection End.

NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to

ADP-37, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003935484

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check “Self diagnostic result” with CONSULT-III.

3.

Erase the DTC.

4.

Perform DTC confirmation procedure. Refer to

ADP-30, "DTC Logic"

.

Is the DTC displayed again?

YES

>> GO TO 2

NO

>> Check intermittent incident. Refer to

GI-49, "Intermittent Incident"

.

2.

CHECK COMPONENTS

Refer to

ADP-69, "Component Function Check"

and

ADP-83, "Component Function Check"

.

>> Inspection End.

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

B2113

SEAT RECLINING

The driver seat control unit detects the output of re-
clining motor output terminal for 0.1 second or more
even if the reclining switch is not input.

• Driver seat control unit

2009 Pathfinder

B2114 SEAT LIFTER FR

ADP-31

< COMPONENT DIAGNOSIS >

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B2114 SEAT LIFTER FR

Description

INFOID:0000000003935485

• The lifting motor (front) is installed to the seat frame assembly.
• The lifting motor (front) is activated with the driver seat control unit.
• Tilts the seat front up/down by changing the rotation direction of lifting motor (front).

DTC Logic

INFOID:0000000003935486

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

STEP 1

Turn ignition switch ON.

>> GO TO 2

2.

STEP 2

Check “Self diagnostic result” with CONSULT-III.

Is the DTC detected?

YES

>> Perform diagnosis procedure. Refer to

ADP-31, "Diagnosis Procedure"

.

NO

>> Inspection End.

NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to

ADP-37, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003935487

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check “Self diagnostic result” with CONSULT-III.

3.

Erase the DTC.

4.

Perform DTC confirmation procedure. Refer to

ADP-31, "DTC Logic"

.

Is the DTC displayed again?

YES

>> GO TO 2

NO

>> Check intermittent incident. Refer to

GI-49, "Intermittent Incident"

.

2.

CHECK COMPONENTS

Refer to

ADP-71, "Component Function Check"

and

ADP-85, "Component Function Check"

.

>> Inspection End.

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

B2114

SEAT LIFTER FR

The driver seat control unit detects the output of lift-
ing motor (front) output terminal for 0.1 second or
more even if the lifting switch is not input.

• Driver seat control unit

2009 Pathfinder

ADP-32

< COMPONENT DIAGNOSIS >

B2115 SEAT LIFTER RR

B2115 SEAT LIFTER RR

Description

INFOID:0000000003935488

• The lifting motor (rear) is installed to the seat frame assembly.
• The lifting motor (rear) is activated with the driver seat control unit.
• Tilts the seat rear up/down by changing the rotation direction of lifting motor (rear).

DTC Logic

INFOID:0000000003935489

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

STEP 1

Turn ignition switch ON.

>> GO TO 2

2.

STEP 2

Check “Self diagnostic result” with CONSULT-III.

Is the DTC detected?

YES

>> Perform diagnosis procedure. Refer to

ADP-32, "Diagnosis Procedure"

.

NO

>> Inspection End.

NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to

ADP-37, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003935490

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check “Self diagnostic result” with CONSULT-III.

3.

Erase the DTC.

4.

Perform DTC confirmation procedure. Refer to

ADP-32, "DTC Logic"

.

Is the DTC displayed again?

YES

>> GO TO 2

NO

>> Check intermittent incident. Refer to

GI-49, "Intermittent Incident"

.

2.

CHECK COMPONENTS

Refer to

ADP-73, "Component Function Check"

and

ADP-87, "Component Function Check"

.

>> Inspection End.

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

B2115

SEAT LIFTER RR

The driver seat control unit detects the output of lift-
ing motor (rear) output terminal for 0.1 second or
more even if the lifting switch is not input.

• Driver seat control unit

2009 Pathfinder

B2117 ADJ PEDAL MOTOR

ADP-33

< COMPONENT DIAGNOSIS >

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B2117 ADJ PEDAL MOTOR

Description

INFOID:0000000003935491

• The pedal adjusting sensor is installed to pedal adjusting motor assembly.
• The resistance of pedal adjusting sensor is changed according to the forward/backward position of pedal

assembly.

• The terminal voltage of automatic drive positioner control unit will be changed according to a change of

pedal adjusting sensor resistance. Automatic drive positioner control unit calculates the pedal position from
the voltage.

DTC Logic

INFOID:0000000003935492

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

STEP 1

Turn ignition switch ON.

>> GO TO 2

2.

STEP 2

Check “Self diagnostic result” with CONSULT-III.

Is the DTC detected?

YES

>> Perform diagnosis procedure. Refer to

ADP-33, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000003935493

1.

CHECK PEDAL ADJUSTING MECHANISM

Check the following.
• Operation malfunction caused by pedal adjusting mechanism deformation or pinched harness or other for-

eign materials

• Operation malfunction and interference with other parts by poor installation
Is the inspection result normal

YES

>> GO TO 2

NO

>> Repair or replace the malfunctioning part and check again.

2.

CHECK FUNCTION

1.

Turn ignition switch ON.

2.

Check “ADJ PEDAL MOTOR” in "Active test" mode with CONSULT-III.

Is the inspection result normal?

YES

>> Pedal adjusting motor circuit is OK.

NO

>> GO TO 3

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

B2117

ADJ PEDAL SENSOR

When any instruction or automatic operations are not
performed, if motor operation is detected for 0.1
second or more, status is judged "Output error".

• Harness and connectors

(pedal adjusting sensor circuit is
opened/shorted, pedal adjusting
sensor power supply circuit is
opened/shorted.)

• Pedal adjusting sensor

Test item

Description

ADJ PEDAL MOTOR

The pedal adjusting motor is activated by receiving the drive signal.

2009 Pathfinder

ADP-34

< COMPONENT DIAGNOSIS >

B2117 ADJ PEDAL MOTOR

3.

CHECK PEDAL ADJUSTING MOTOR CIRCUIT HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect automatic drive positioner control unit and pedal
adjusting motor assembly.

3.

Check continuity between automatic drive positioner control unit
connector M34 terminals 37, 45 and pedal adjusting motor
assembly connector E109 terminals 1, 2.

4.

Check continuity between automatic drive positioner control unit
connector M34 terminals 37, 45 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT OUTPUT SIGNAL

1.

Connect the automatic drive positioner control unit and pedal
adjusting motor assembly.

2.

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

Is the inspection result normal?

YES

>> Replace pedal adjusting motor assembly. Refer to

BR-23, "Removal and Installation"

.

NO

>> GO TO 5

5.

CHECK INTERMITTENT INCIDENT

Refer to

GI-49, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace automatic drive positioner control unit. Refer to

ADP-159, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning part.

37 - 1

: Continuity should exist.

45 - 2

: Continuity should exist.

37 - Ground

: Continuity should not exist.

45 - Ground

: Continuity should not exist.

LIIA1755E

Connec-

tor

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

M34

37

Ground

Pedal adjusting switch ON
(FORWARD operation)

Battery voltage

Other than above

0

45

Pedal adjusting switch ON
(BACKWARD operation)

Battery voltage

Other than above

0

PIIA4806E

2009 Pathfinder