Nissan Murano Z51. Manual - part 1213

SE-40

< DTC/CIRCUIT DIAGNOSIS >

VEHICLE SPEED SIGNAL CIRCUIT

VEHICLE SPEED SIGNAL CIRCUIT

Description

INFOID:0000000005518191

Transmits vehicle speed signal to rear seatback power return control unit.

Component Function Check

INFOID:0000000005518192

1.

CHECK FUNCTION

Check that the rear seatback rises when pressing and holding the power return switch. 

Is the inspection result normal?

YES

>> Vehicle speed signal circuit is OK.

NO

>> Refer to 

SE-40, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005518193

1.

CHECK VEHICLE SPEED OPERATION

1.

Check speed meter operate normally.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Refer to

MWI-4, "Work flow"

.

2.

CHECK VEHICLE SPEED INPUT SIGNAL

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Refer to

MWI-4, "Work flow"

.

3.

CHECK VEHICLE SPEED SIGNAL CIRCUIT

1.

Disconnect rear seatback power return control unit connector and combination meter connector.

2.

Check continuity between power return control unit harness connector and combination meter harness
connector.

3.

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

(+)

(–)

Condition

Voltage (V)

(Approx.)

Rear seatback power return control unit

Connector

Terminal 

B493

24

Ground

When vehicle speed is ap-
prox.40 km/h (25MPH)

NOTE:
Maximum voltage may be 12V due 
to specifications (connected units)

SKIA6649J

Rear seatback power return control unit

Combination meter

Continuity

Connector

Terminal

Connector

Terminal

B493

24

M34

31

Existed

Rear seatback power return control unit

Ground

Continuity 

Connector

Terminal

B493

24

Not existed

VEHICLE SPEED SIGNAL CIRCUIT

SE-41

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> INSPECTION END

SE-42

< DTC/CIRCUIT DIAGNOSIS >

TILT&TELESCOPIC SWITCH

TILT&TELESCOPIC SWITCH

Description

INFOID:0000000005518194

Tilt & telescopic switch as a unit, transmits switch operation signal to automatic drive positioner control unit.

Component Function Check

INFOID:0000000005518195

1.

CHECK TILT & TELESCOPIC SWITCH FUNCTION

Check tilt & telescopic operation with tilt & telescopic switch.

Is the inspection results normal?

YES

>> Tilt & telescopic switch is OK.

NO

>> Refer to 

SE-42, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005518196

1.

CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect tilt & telescopic switch connector.

3.

Check voltage between tilt & telescopic switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK TILT & TELESCOPIC SWITCH SIGNAL CIRCUIT

1.

Disconnect automatic drive positioner control unit connector.

2.

Check continuity between tilt & telescopic switch harness connector and automatic drive positioner control
unit harness connector.

3.

Check continuity between tilt & telescopic switch harness connector and ground.

Is the inspection result normal?

 (+)

(

−

)

Voltage (V)

(Approx.)

 Tilt & telescopic switch 

Connector

Terminal

M102

2

Ground

5

3

4

5

 Tilt & telescopic switch

Automatic drive positioner control unit

Continuity

Connector

Terminal

Connector

Terminal

M102

2

M75

1

Existed

3

13

4

19

5

7

 Tilt & telescopic switch

Ground

Continuity

 Connector

Terminal

M102

2

Not existed

3

4

5

TILT&TELESCOPIC SWITCH

SE-43

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

YES

>> Replace automatic drive positioner control unit. Refer to 

SE-140, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK TILT & TELESCOPIC SWITCH GROUND CIRCUIT

Check continuity between tilt & telescopic switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK TILT & TELESCOPIC SWITCH

Check tilt & telescopic switch.
Refer to 

SE-43, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace tilt & telescopic switch.Refer to

SE-141, "Removal and Installation"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000005518197

1.

CHECK TILT & TELESCOPIC SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect tilt & telescopic switch connector.

3.

Check continuity between tilt & telescopic switch terminals.

Is the inspection result normal?

YES

>> Tilt & telescopic switch is OK.

NO

>> Replace tilt & telescopic switch. Refer to 

SE-141, "Removal and Installation"

.

 Tilt & telescopic switch

Ground

Continuity

Connector

Terminal

M102

1

Existed

Terminal

Condition

Continuity

2

1

Tilt & telescopic switch

Upward position

Existed

Other than above

Not existed

3

Downward position

Existed

Other than above

Not existed

4

Backward position

Existed

Other than above

Not existed

5

Forward position

Existed

Other than above

Not existed