Nissan Murano. Manual - part 1385

 

  Главная      Nissan     Nissan Murano (2014 year) - Service Manual

 

поиск по сайту            

 

 

 

 

 

 

 

 

 

содержание   ..  1383  1384  1385  1386   ..

 

 

Nissan Murano. Manual - part 1385

 

 

TM-82

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F09B]

P0845 TRANSMISSION FLUID PRESSURE SEN/SW B

P0845 TRANSMISSION FLUID PRESSURE SEN/SW B

Description

INFOID:0000000009719485

The primary pressure sensor detects primary pressure of CVT and sends a signal to the TCM.

DTC Logic

INFOID:0000000009719486

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

NOTE:
Immediately after performing any “DTC CONFIRMATION PROCEDURE”, always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.

1.

CHECK DTC DETECTION

With CONSULT

1.

Turn ignition switch ON.

2.

Select “Data Monitor” in “TRANSMISSION”.

3.

Make sure that output voltage of line temperature sensor is within the range below.

4.

Start engine and wait for at least 5 consecutive seconds.

With GST

Follow the procedure “With CONSULT”.

Is “P0845” detected?

YES

>> Go to 

TM-82, "Diagnosis Procedure"

.

NO

>> Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000009719487

1.

CHECK INPUT SIGNAL

1.

Start engine.

2.

Check voltage between TCM connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> GO TO 2.

2.

CHECK SENSOR POWER AND SENSOR GROUND

Check voltage between TCM connector terminals.

Is the inspection result normal?

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P0845

Transmission Fluid Pressure 
Sensor/Switch “B” Circuit

Signal voltage of the primary pressure sen-
sor is too high or too low while driving.

• Harness or connectors

(Sensor circuit is open or shorted.)

• Primary pressure sensor

ATF TEMP SEN

: 1.0 – 2.0 V

If it is out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage 
(cool down the fluid)

TCM connector

Ground

Condition

Voltage (Approx.)

Connector

Terminal

F23

14

“N” position idle

0.5 – 0.8 V

TCM connector

Voltage (Approx.)

Connector

Terminal

F23

25

26

4.75 – 5.25 V

P0845 TRANSMISSION FLUID PRESSURE SEN/SW B

TM-83

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F09B]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

YES

>> GO TO 3.

NO

>> GO TO 5.

3.

CHECK HARNESS BETWEEN TCM AND CVT UNIT (PRIMARY PRESSURE SENSOR) (PART 1)

1.

Turn ignition switch OFF.

2.

Disconnect TCM connector and CVT unit connector.

3.

Check continuity between TCM vehicle side harness connector terminal and CVT unit vehicle side har-
ness connector terminal.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace damaged parts.

4.

CHECK HARNESS BETWEEN TCM AND CVT UNIT (PRIMARY PRESSURE SENSOR) (PART 2)

Check continuity between TCM vehicle side harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace damaged parts.

5.

CHECK HARNESS BETWEEN TCM AND CVT UNIT (SENSOR POWER AND SENSOR GROUND) (PART

1)

1.

Turn ignition switch OFF.

2.

Disconnect TCM connector and CVT unit connector.

3.

Check continuity between TCM vehicle side harness connector terminal and CVT unit vehicle side har-
ness connector terminals.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace damaged parts.

6.

CHECK HARNESS BETWEEN TCM AND CVT UNIT (SENSOR POWER AND SENSOR GROUND) (PART

2)

Check continuity between TCM vehicle side harness connector terminals and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace damaged parts.

7.

CHECK TCM

TCM vehicle side harness connector

CVT unit vehicle side harness connector

Continuity

Connector

Terminal

Connector

Terminal

F23

14

F24

25

Existed

TCM vehicle side harness connector

Ground

Continuity

Connector

Terminal

F23

14

Not existed

TCM vehicle side harness connector

CVT unit vehicle side harness connector

Continuity

Connector

Terminal

Connector

Terminal

F23

25

F24

19

Existed

26

20

TCM vehicle side harness connector

Ground

Continuity

Connector

Terminal

F23

25

Not existed

26

TM-84

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F09B]

P0845 TRANSMISSION FLUID PRESSURE SEN/SW B

1.

Replace with the same type of TCM. Refer to 

TM-165, "Exploded View"

.

2.

Connect each connector.

3.

Perform “DTC CONFIRMATION PROCEDURE”. Refer to 

TM-82, "DTC Logic"

.

Is “P0845” detected?

YES

>> Replace transaxle assembly. Refer to 

TM-180, "Exploded View"

.

NO

>> Replace TCM. Refer to 

TM-165, "Exploded View"

.

8.

DETECT MALFUNCTIONING ITEMS

Check TCM connector pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?

YES

>> Replace TCM. Refer to 

TM-165, "Exploded View"

.

NO

>> Repair or replace damaged parts.

P0868 TRANSMISSION FLUID PRESSURE

TM-85

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F09B]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

P0868 TRANSMISSION FLUID PRESSURE

Description

INFOID:0000000009719488

The secondary pressure solenoid valve regulates the secondary pressure to suit the driving condition in
response to a signal sent from the TCM.

DTC Logic

INFOID:0000000009719489

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe speed.
NOTE:
Immediately after performing any “DTC CONFIRMATION PROCEDURE”, always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.

1.

CHECK DTC DETECTION

With CONSULT

1.

Turn ignition switch ON.

2.

Select “Data Monitor” in “TRANSMISSION”.

3.

Make sure that output voltage of CVT fluid temperature sensor is within the range below.

4.

Start engine and maintain the following conditions for at least 10 consecutive seconds.

Is “P0868” detected?

YES

>> Go to 

TM-85, "Diagnosis Procedure"

.

NO

>> Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000009719490

1.

CHECK LINE PRESSURE

Perform line pressure test. Refer to 

TM-158, "Inspection and Judgment"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace damaged parts. Refer to 

TM-158, "Inspection and Judgment"

.

2.

CHECK SECONDARY PRESSURE SOLENOID VALVE

1.

Turn ignition switch OFF.

2.

Disconnect CVT unit connector.

3.

Check secondary pressure solenoid valve. Refer to 

TM-86, "Component Inspection (Secondary Pressure

Solenoid Valve)"

.

DTC

Trouble diagnosis name

DTC is detected if...

Possible cause

P0868

Transmission Fluid Pressure 
Low

Secondary fluid pressure is too low com-
pared with the commanded value while driv-
ing.

• Harness or connectors

(Solenoid circuit is open or shorted.)

• Secondary pressure solenoid valve sys-

tem

• Secondary pressure sensor
• Line pressure control system

ATF TEMP SEN

: 1.0 – 2.0 V

If it is out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage 
(cool down the fluid)

VEHICLE SPEED (accelerate slow-
ly)

: 0 

 50 km/h (31 MPH)

ACC PEDAL OPEN

: 0.5/8 – 1.0/8

RANGE

: “D” position

 

 

 

 

 

 

 

содержание   ..  1383  1384  1385  1386   ..