Nissan Murano Z51 (2008 year). Manual - part 4

B2112 SLIDING MOTOR

ADP-45

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

2.

Check voltage between driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace driver seat control unit. Refer to 

ADP-204, "Removal and Installation"

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

(+)

(–)

Voltage (V)

(Approx.)

Driver seat control unit

Connector

Terminals

B451

3

Ground

0

4

Revision: 2008 October

2009 Murano

ADP-46

< COMPONENT DIAGNOSIS >

B2113 RECLINING MOTOR

B2113 RECLINING MOTOR

Description

INFOID:0000000003312363

• The reclining motor is installed to the seatback frame.
• The 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:0000000003312364

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-46, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003312365

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-46, "DTC Logic"

.

Is the DTC displayed again?

YES

>> GO TO 2.

NO

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

2.

CHECK RECLINING MOTOR CIRCUIT (POWER SHORT)

1.

Turn ignition switch OFF.

2.

Disconnect reclining motor and driver seat control unit connector.

3.

Check voltage between reclining motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connector.

3.

CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

1.

Connect driver seat control unit connector.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2113

SEAT RECLINING

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

• Driver seat control unit
• Reclining motor harness is shorted

(+)

(–)

Voltage (V)

(Approx.)

Reclining motor

Connector

Terminals

B454

52

Ground

0

53

Revision: 2008 October

2009 Murano

B2113 RECLINING MOTOR

ADP-47

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

2.

Check voltage between driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace driver seat control unit. Refer to 

ADP-204, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

(+)

(–)

Voltage (V)

(Approx.)

Driver seat control unit

Connector

Terminals

B451

5

Ground

0

6

Revision: 2008 October

2009 Murano

ADP-48

< COMPONENT DIAGNOSIS >

B2116 TILT MOTOR

B2116 TILT MOTOR

Description

INFOID:0000000003515832

• The tilt motor is installed to the steering column assembly.
• The tilt motor is activated with the automatic drive positioner control unit.
• Tilts the steering column is tilted upward/downward by changing the rotation direction tilt motor.

DTC Logic

INFOID:0000000003515833

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-48, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003515834

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-48, "DTC Logic"

.

Is the DTC displayed again?

YES

>> GO TO 2.

NO

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

2.

CHECK TILT MOTOR CIRCUIT (POWER SHORT) 

1.

Turn ignition switch OFF.

2.

Disconnect automatic drive positioner control unit and tilt motor connector.

3.

Check voltage between tilt motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connector.

3.

CHECK AUTOMATIC DRIVER POSITIONER CONROL UNIT OUTPUT SIGNAL

1.

Connect automatic drive positioner control unit connector.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2116

STEERING TILT

The automatic drive positioner control unit detects the 
output of reclining motor output terminal for 0.1 second 
or more even if the tilt switch is not input.

• Automatic drive positioner control 

unit

• Tilt motor harness is shorted

(+)

(–)

Voltage (V)

(Approx.)

Tilt motor

Connector

Terminals

M116

1

Ground

0

2

Revision: 2008 October

2009 Murano

B2116 TILT MOTOR

ADP-49

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

2.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace automatic drive positioner control unit. Refer to 

ADP-205, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

(+)

(–)

Voltage (V)

(Approx.)

Automatic drive positioner control unit 

Connector

Terminals

M104

28

Ground

0

29

Revision: 2008 October

2009 Murano

ADP-50

< COMPONENT DIAGNOSIS >

B2128 UART COMMUNICATION LINE

B2128 UART COMMUNICATION LINE

Description

INFOID:0000000003312379

Driver seat control unit performs UART communication with the automatic drive positioner control unit using 1
communication lines. Driver seat control unit receives the operation signals of tilt & telescopic switch, door mir-
ror remote control switch, and the position signals of door mirror sensor from the automatic drive positioner
control unit and transmits the operation request signal.

DTC Logic

INFOID:0000000003312380

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

STEP 1

Turn ignition switch ON.

>> GO TO 2.

2.

PROCEDURE

Check “Self diagnostic result” with CONSULT-III.

Is the DTC detected? 

YES

>> Perform diagnosis procedure. Refer to 

ADP-50, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003312381

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-48, "DTC Logic"

.

Is the DTC displayed again?

YES

>> GO TO 2.

NO

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

2.

CHECK UART COMMUNICATION LINE CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit and automatic drive positioner control unit connector.

3.

Check continuity between driver seat control unit harness connector and automatic drive positioner con-
trol unit harness connector.

4.

Check continuity between driver seat control unit harness connector and ground.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2128

UART COMM

The communication between driver seat control unit 
and auto drive positioner control unit is interrupted for 
a period of time.

• UART communication line

(UART communication line is 
open or shorted)

• Driver seat control unit
• Automatic drive positioner 

control unit

Driver seat control unit

Automatic drive positioner control unit

Continuity 

Connector

Terminal

Connector

Terminal

B452

32

M75

8

Existed

Revision: 2008 October

2009 Murano

B2128 UART COMMUNICATION LINE

ADP-51

< COMPONENT DIAGNOSIS >

C

D

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F

G

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L

M

A

B

ADP

N

O

P

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

NO

>> Repair or replace harness or connector.

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B452

32

Not existed

Revision: 2008 October

2009 Murano

ADP-52

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

DRIVER SEAT CONTROL UNIT

DRIVER SEAT CONTROL UNIT : Diagnosis Procedure

INFOID:0000000003312384

1.

CHECK POWER SUPPLY CIRCUIT 

1.

Turn ignition switch OFF.

2.

Check voltage between driver seat 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 driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

DRIVER SEAT CONTROL UNIT : Special Repair Requirement

INFOID:0000000003312385

1.

PERFORM ADDITIONAL SERVICE

Perform additional service when removing battery negative terminal.

>> Refer to 

ADP-8, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL

: Description"

.

AUTOMATIC DRIVE POSITIONER CONTROL UNIT

AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Diagnosis Procedure

INFOID:0000000003312386

NOTE:
Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is con-
firmed with CONSULT-III.

1.

CHECK POWER SUPPLY CIRCUIT

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.

(+)

(–)

Voltage (V)

(Approx.)

Driver seat control unit

Connector

Terminals

B451

1

Ground

Battery voltage

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B451

2

Existed

(+)

(–)

Voltage (V)

(Approx.)

Automatic drive positioner control unit

Connector

Terminals

M104

25

Ground

Battery voltage

Revision: 2008 October

2009 Murano

POWER SUPPLY AND GROUND CIRCUIT

ADP-53

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

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:0000000003312387

1.

PERFORM ADDITIONAL SERVICE

Perform additional service when removing battery negative terminal.

>> Refer to 

ADP-8, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL

: Description"

.

Automatic drive positioner control unit

Ground

Continuity 

Connector

Terminal

M104

30

Existed

Revision: 2008 October

2009 Murano

ADP-54

< COMPONENT DIAGNOSIS >

SLIDING SWITCH

SLIDING SWITCH

Description

INFOID:0000000003312388

Sliding switch is equipped to the power seat switch on the seat cushion side surface. The operation signal is
inputted to the driver seat control unit when the sliding switch is operated.

Component Function Check

INFOID:0000000003312389

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-54, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003312390

1.

CHECK SLIDING SWITCH SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch connector.

3.

Turn ignition switch ON.

4.

Check voltage between power seat switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK SLIDING SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit connector.

3.

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

4.

Check continuity between driver seat control unit harness connector and ground.

Monitor item

Condition

Status

SLIDE SW-FR

Sliding switch (forward)

Operate

ON

Release

OFF

SLIDE SW-RR

Sliding switch (backward)

Operate

ON

Release

OFF

(+)

(–)

Voltage (V)

(Approx.)

Power seat switch

Connector

Terminals

B459

11

Ground

Battery voltage

12

Driver seat control unit

Power seat switch

Continuity

Connector

Terminal

Connector

Terminal

B452

11

B459

11

Existed

12

12

Revision: 2008 October

2009 Murano

SLIDING SWITCH

ADP-55

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-204, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

3.

CHECK SLIDING SWITCH

Refer to 

ADP-55, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace power seat switch. Refer to 

ADP-207, "Removal and Installation"

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000003312391

1.

CHECK SLIDING SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch (sliding switch) connector.

3.

Check continuity between power seat switch (sliding switch) terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace power seat switch. Refer to 

ADP-207, "Removal and Installation"

.

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B452

11

Not existed

12

Power seat switch (Sliding switch)

Condition

Continuity 

Terminal

35

11

Sliding switch (backward)

Operate

Existed

Release

Not existed

12

Sliding switch (forward)

Operate

Existed

Release

Not existed

Revision: 2008 October

2009 Murano

ADP-56

< COMPONENT DIAGNOSIS >

RECLINING SWITCH

RECLINING SWITCH

Description

INFOID:0000000003312392

Reclining switch is equipped to the power seat switch on the seat cushion side surface. The operation signal is
inputted to the driver seat control unit when the reclining switch is operated.

Component Function Check

INFOID:0000000003312393

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-56, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003312394

1.

CHECK RECLINING SWITCH SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch connector.

3.

Turn ignition switch ON.

4.

Check voltage between power seat switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK RECLINING SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit connector.

3.

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

4.

Check continuity between driver seat control unit harness connector and ground.

Monitor item

Condition

Status

RECLINE SW-FR

Reclining switch (forward)

Operate

ON

Release

OFF

RECLINE SW-RR

Reclining switch (backward)

Operate

ON

Release

OFF

(+)

(–)

Voltage (V)

(Approx.)

Power seat switch

Connector

Terminals

B459

13

Ground

Battery voltage

14

Driver seat control unit

Power seat switch

Continuity

Connector

Terminal

Connector

Terminal

B452

13

B459

13

Existed

14

14

Revision: 2008 October

2009 Murano

RECLINING SWITCH

ADP-57

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-204, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

3.

CHECK RECLINING SWITCH

Refer to 

ADP-57, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace power seat switch. Refer to 

ADP-207, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000003312395

1.

CHECK RECLINING SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch (reclining switch) connector.

3.

Check continuity between power seat switch (reclining switch) terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace power seat switch. Refer to 

ADP-207, "Removal and Installation"

.

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B452

13

Not existed

14

Power seat switch (Reclining switch)

Condition

Continuity

Terminal

35

13

Reclining switch (backward)

Operate

Existed

Release

Not existed

14

Reclining switch (forward)

Operate

Existed

Release

Not existed

Revision: 2008 October

2009 Murano

ADP-58

< COMPONENT DIAGNOSIS >

LIFTING SWITCH (FRONT)

LIFTING SWITCH (FRONT)

Description

INFOID:0000000003312396

Lifting switch (front) is equipped to the power seat switch on the seat cushion side surface. The operation sig-
nal is inputted to the driver seat control unit when the lifting switch (front) is operated.

Component Function Check

INFOID:0000000003312397

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-58, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003312398

1.

CHECK LIFTING SWITCH (FRONT) SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch connector.

3.

Turn ignition switch ON.

4.

Check voltage between power seat switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK LIFTING SWITCH (FRONT) CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit connector.

3.

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

4.

Check continuity between driver seat control unit harness connector and ground.

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

(+)

(–)

Voltage (V)

(Approx.)

Power seat switch

Connector

Terminals

B459

17

Ground

Battery voltage

18

Driver seat control unit

Power seat switch

Continuity

Connector

Terminal

Connector

Terminal

B452

17

B459

17

Existed

18

18

Revision: 2008 October

2009 Murano

LIFTING SWITCH (FRONT)

ADP-59

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-204, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

3.

CHECK LIFTING SWITCH (FRONT)

Refer to 

ADP-59, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace power seat switch. Refer to 

ADP-207, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000003312399

1.

CHECK LIFTING SWITCH (FRONT)

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch (lifting switch front) connector.

3.

Check continuity between power seat switch (lifting switch front) terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace power seat switch. Refer to 

ADP-207, "Removal and Installation"

.

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B452

17

Not existed

18

Power seat switch (lifting switch front)

Condition

Continuity

Terminal

35

17

Lifting switch front 
(down)

Operate

Existed

Release

Not existed

18

Lifting switch front (up)

Operate

Existed

Release

Not existed

Revision: 2008 October

2009 Murano

ADP-60

< COMPONENT DIAGNOSIS >

LIFTING SWITCH (REAR)

LIFTING SWITCH (REAR)

Description

INFOID:0000000003312400

Lifting switch (rear) is equipped to the power seat switch on the seat cushion side surface. The operation sig-
nal is inputted to the driver seat control unit when the lifting switch (rear) is operated.

Component Function Check

INFOID:0000000003312401

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-60, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003312402

1.

CHECK LIFTING SWITCH (REAR) SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch connector.

3.

Turn ignition switch ON.

4.

Check voltage between power seat switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK LIFTING SWITCH (REAR) CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit connector.

3.

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

4.

Check continuity between driver seat control unit harness connector 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

(+)

(–)

Voltage (V)

(Approx.)

Power seat switch

Connector

Terminals

B459

15

Ground

Battery voltage

16

Driver seat control unit

Power seat switch

Continuity

Connector

Terminal

Connector

Terminal

B452

15

B459

15

Existed

16

16

Revision: 2008 October

2009 Murano