Juke F15 (2012 year). Service Repair Manual - part 374

 

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Juke F15 (2012 year). Service Repair Manual - part 374

 

 

TM-416

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

P0740 TORQUE CONVERTER

P0740 TORQUE CONVERTER

DTC Logic

INFOID:0000000006487669

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Be careful of the driving speed.

1.

PREPARATION BEFORE OPERATION (PART 1)

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

PREPARATION BEFORE OPERATION (PART 2)

With CONSULT-III

1.

Start the engine.

2.

Select “Data Monitor” in “TRANSMISSION”.

3.

Select “FLUID TEMP”.

4.

Confirm that the CVT fluid temperature is in the following range. 

With GST

1.

Start the engine.

2.

Set the CVT fluid to 10

°

C (50

°

F) or more. 

NOTE:
When the ambient temperature is 20

°

C (68

°

F), the CVT fluid usually increases to 50 to 80

°

C (122 to

176

°

F) with driving in an urban area for approximately 10 minutes. 

Is the CVT fluid 10

°

C (50

°

F) or more? 

YES

>> GO TO 3.

NO

>> 1.

Warm the transaxle. 

2.

GO TO 3.

3.

CHECK DTC DETECTION

1.

Drive the vehicle.

2.

Maintain the following conditions for 10 seconds or more.

3.

Stop the vehicle.

4.

Check the first trip DTC.

Is “P0740” detected?

YES

>> Go to 

TM-417, "Diagnosis Procedure"

.

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P0740

Torque Converter Clutch Cir-
cuit/Open

The TCM torque converter clutch solenoid 
valve current monitor reading is 200 mA or 
less continuously for 5 seconds or more under 
the following diagnosis conditions:
• Diagnosis conditions
- Solenoid valve output current: 750 mA or 

more

- GND short diagnosis of the solenoid valve 

circuit is not satisfied. 

- TCM power supply voltage: 10 V 

 TCM 

power supply voltage 

 16 V

• Harness or connector

(Torque converter clutch solenoid 
valve circuit is open or shorted to pow-
er supply)

• Torque converter clutch solenoid valve

FLUID TEMP

: 10

°

C (50

°

F) or more

Selector lever

: “D” position

Vehicle speed

: 40 km/h (25 MPH) or more

P0740 TORQUE CONVERTER

TM-417

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006487670

1.

CHECK CIRCUIT BETWEEN TCM AND CVT UNIT

1.

Turn ignition switch OFF.

2.

Disconnect the TCM connector and the CVT unit connector.

3.

Check the continuity between the TCM harness connector terminal and the CVT unit harness connector
terminal.

Is the check result normal?

YES 

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE

Check the torque converter clutch solenoid valve. Refer to 

TM-417, "Component Inspection (Torque Converter

Clutch Solenoid Valve)"

.

Is the check result normal?

YES 

>> Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

NO

>> Repair or replace the malfunctioning parts.

Component Inspection (Torque Converter Clutch Solenoid Valve)

INFOID:0000000006487671

1.

CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE

Check the resistance between the CVT unit connector terminal and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> There is a malfunction of the torque converter clutch solenoid valve. Replace the transaxle

assembly. Refer to 

TM-508, "Removal and Installation"

.

TCM harness connector

CVT unit harness connector

Continuity

Connector

Terminal

Connector

Terminal

F18

38

F24

6

Existed

CVT unit 

connector

Ground

Condition

Resistance

Terminal

6

Ground

CVT fluid temperature: 20

°

C (68

°

F)

Approx. 27 

CVT fluid temperature: 50

°

C (122

°

F)

Approx. 31 

CVT fluid temperature: 80

°

C (176

°

F)

Approx. 35 

TM-418

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

P0743 TORQUE CONVERTER

P0743 TORQUE CONVERTER

DTC Logic

INFOID:0000000006487672

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Be careful of the driving speed.

1.

PREPARATION BEFORE OPERATION (PART 1)

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

PREPARATION BEFORE OPERATION (PART 2)

With CONSULT-III

1.

Start the engine.

2.

Select “Data Monitor” in “TRANSMISSION”.

3.

Select “FLUID TEMP”.

4.

Confirm that the CVT fluid temperature is in the following range. 

With GST

1.

Start the engine.

2.

Set the CVT fluid to 10

°

C (58

°

F) or more. 

NOTE:
When the ambient temperature is 20

°

C (68

°

F), the CVT fluid usually increases to 50 to 80

°

C (122 to

176

°

F) with driving in an urban area for approximately 10 minutes. 

Is the CVT fluid 10

°

C (58

°

F) or more? 

YES

>> GO TO 3.

NO

>> 1.

Warm the transaxle. 

2.

GO TO 3.

3.

CHECK DTC DETECTION

1.

Drive the vehicle.

2.

Maintain the following conditions for 5 seconds or more.

3.

Stop the vehicle.

4.

Check the first trip DTC.

Is “P0743” detected?

YES

>> Go to 

TM-419, "Diagnosis Procedure"

.

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P0743

Torque Converter Clutch Cir-
cuit Electrical 

The TCM torque converter clutch solenoid 
valve current monitor reading is 200 mA or 
less continuously for 480 msec or more under 
the following diagnosis conditions:
• Diagnosis conditions
- Solenoid valve output current: 750 mA or 

more

- GND short circuit diagnosis occurs in the 

solenoid valve drive circuit.

- TCM power supply voltage: 10 V 

 TCM 

power supply voltage 

 16 V

• Harness or connector

(Torque converter clutch solenoid 
valve circuit is shorted to ground)

• Torque converter clutch solenoid valve

FLUID TEMP

: 10

°

C (50

°

F) or more

Selector lever

: “D” position

Vehicle speed

: 40 km/h (25 MPH) or more

P0743 TORQUE CONVERTER

TM-419

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006487673

1.

CHECK CIRCUIT BETWEEN TCM AND CVT UNIT

1.

Turn ignition switch OFF.

2.

Disconnect the TCM connector and the CVT unit connector.

3.

Check the continuity between TCM harness connector terminal and ground.

Is the check result normal?

YES 

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE

Check the torque converter clutch solenoid valve. Refer to 

TM-419, "Component Inspection (Torque Converter

Clutch Solenoid Valve)"

.

Is the check result normal?

YES 

>> Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

NO

>> Repair or replace the malfunctioning parts.

Component Inspection (Torque Converter Clutch Solenoid Valve)

INFOID:0000000006628363

1.

CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE

Check the resistance between the CVT unit connector terminal and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> There is a malfunction of the torque converter clutch solenoid valve. Replace the transaxle

assembly. Refer to 

TM-508, "Removal and Installation"

.

TCM harness connector

Ground

Continuity

Connector

Terminal

F18

38

Ground

Not existed

CVT unit 

connector

Ground

Condition

Resistance

Terminal

6

Ground

CVT fluid temperature: 20

°

C (68

°

F)

Approx. 27 

CVT fluid temperature: 50

°

C (122

°

F)

Approx. 31 

CVT fluid temperature: 80

°

C (176

°

F)

Approx. 35 

TM-420

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

P0744 TORQUE CONVERTER

P0744 TORQUE CONVERTER

DTC Logic

INFOID:0000000006487676

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Be careful of the driving speed.

1.

PREPARATION BEFORE OPERATION 1

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

PREPARATION BEFORE OPERATION 2

With CONSULT-III

1.

Start the engine.

2.

Select “Data Monitor” in “TRANSMISSION”.

3.

Select “FLUID TEMP”.

4.

Confirm that the CVT fluid temperature is in the range below. 

With GST.

1.

Start the engine.

2.

Set the CVT fluid to 20

°

C (68

°

F) or more. 

NOTE:
When the ambient temperature is 20

°

C (68

°

F), the CVT fluid usually increases to 50 to 80

°

C (122 to

176

°

F) with driving in an urban area for approximately 10 minutes. 

Is the CVT fluid 20

°

C (68

°

F) or more? 

YES

>> GO TO 3.

NO

>> 1.

Warm the transaxle. 

2.

GO TO 3.

3.

CHECK DTC DETECTION

1.

Drive the vehicle.

2.

Maintain the following conditions for 40 seconds or more.

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P0744

Torque converter clutch circuit 
intermittent

The torque converter slip speed is at or above 
a set value (40 rpm + (Vehicle speed / 2) con-
tinuously for 30 seconds or more under the fol-
lowing diagnosis conditions:
• Diagnosis conditions
- Selector lever: “D” position
- Accelerator pedal position: 1.0/8 or more
- Vehicle speed: 10 km/h (6 MPH) or more
- Engine speed: 450 rpm or more
- CVT fluid temperature: 20

°

C (68

°

F) 

 CVT 

fluid temperature 

 180

°

C (356

°

F)

- Lockup command is being given (except for 

slip lockup). 

- LU PRS: More than 0.2 MPa
- TCM power supply voltage: 10 V 

 TCM 

power supply voltage 

 16 V

• Torque converter clutch solenoid valve
• Control valve assembly
• Torque converter

FLUID TEMP

: 20

°

C (68

°

F) or more

Selector lever

: “D” position

P0744 TORQUE CONVERTER

TM-421

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

3.

Stop the vehicle.

4.

Check the first trip DTC.

Is “P0744” detected?

YES

>> Go to 

TM-421, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006487677

1.

CHECK LINE PRESSURE

Perform the line pressure test. Refer to 

TM-382, "Work Procedure"

.

Is the inspection result normal?

YES 

>> GO TO 2.

NO

>> Repair or replace the malfunction items.

2.

CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE

1.

Turn ignition switch OFF.

2.

Disconnect the CVT unit connector.

3.

Check the torque converter clutch solenoid valve. Refer to 

TM-421, "Component Inspection (Torque Con-

verter Clutch Solenoid Valve)"

.

Is the inspection result normal?

YES 

>> Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

NO

>> Repair or replace the malfunction items.

Component Inspection (Torque Converter Clutch Solenoid Valve)

INFOID:0000000006628364

1.

CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE

Check the resistance between the CVT unit connector terminal and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> There is a malfunction of the torque converter clutch solenoid valve. Replace the transaxle

assembly. Refer to 

TM-508, "Removal and Installation"

.

Accelerator pedal position

: 1.0/8 or more

Vehicle speed

: 40 km/h (25 MPH) or more

CVT unit 

connector

Ground

Condition

Resistance

Terminal

6

Ground

CVT fluid temperature: 20

°

C (68

°

F)

Approx. 27 

CVT fluid temperature: 50

°

C (122

°

F)

Approx. 31 

CVT fluid temperature: 80

°

C (176

°

F)

Approx. 35 

TM-422

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

P0746 PRESSURE CONTROL SOLENOID A

P0746 PRESSURE CONTROL SOLENOID A

DTC Logic

INFOID:0000000006628109

DTC DETECTION LOGIC

NOTE:
DC stands for "DRIVING CYCLE" and indicates a series of driving cycle of "Ignition switch OFF 

 ON 

 driv-

ing 

 OFF".

DTC CONFIRMATION PROCEDURE

CAUTION:

Be careful of the driving speed.

1.

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

1.

Start the engine.

2.

Drive the vehicle.

3.

Maintain the following conditions for 10 seconds or more.

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P0746

Pressure Control Solenoid A 
Performance/Stuck Off

The detecting condition A or detection condi-
tion B is detected twice or more (1 second or 
more later after detection of the first) in the 
same DC under the following diagnosis condi-
tions:
• Diagnosis conditions
- After the ignition switch is ON, 500 msec or 

more have passed.

- Selector lever: Other than “P” and “N” posi-

tions

- Idle is not being detected.
- Engine speed: 600 rpm or more
- Primary pulley speed: 500 rpm or more
- Auxiliary gearbox shifting is not in progress.
- Acceleration/deceleration speed: 

0.05 G 

or more

- The primary pulley speed experienced 306 

rpm or more and the secondary pulley 
speed experienced 230 rpm or more at 
least once. 

- The output speed is 107 rpm or less or the 

secondary pulley speed exceeds 61 rpm.

• Detection condition A
- Status with the shifting ratio of the primary 

pulley speed/secondary pulley ratio ex-
ceeding 2.55 is 200 msec or more continu-
ously. 

• Detection condition B
- Status with the shifting ratio of the primary 

pulley speed/secondary pulley ratio ex-
ceeding 3.35 is 100 msec or more continu-
ously.

• Line pressure solenoid valve
• Control valve assembly

Selector lever

: “D” position

Accelerator pedal position

: 0.1/8 or more

Vehicle speed

: 40 km/h (25 MPH) or more

P0746 PRESSURE CONTROL SOLENOID A

TM-423

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

4.

Stop the vehicle.

5.

Check the first trip DTC.

Is “P0746”detected?

YES

>> Go to 

TM-423, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006628110

1.

CHECK LINE PRESSURE SOLENOID VALVE

1.

Turn ignition switch OFF.

2.

Disconnect the CVT unit connector.

3.

Check the line pressure solenoid valve. Refer to 

TM-423, "Component Inspection (Line Pressure Solenoid

Valve)"

Is the inspection result normal?

YES 

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK LINE PRESSURE

Perform the line pressure test. Refer to 

TM-382, "Work Procedure"

.

Is the inspection result normal?

YES 

>> Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

NO

>> Repair or replace the malfunction items.

Component Inspection (Line Pressure Solenoid Valve)

INFOID:0000000006628111

1.

CHECK LINE PRESSURE SOLENOID VALVE

Check the resistance between the CVT unit connector terminal and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> There is a malfunction of the line pressure solenoid valve. Replace the transaxle assembly. Refer

to 

TM-508, "Removal and Installation"

.

CVT unit 

connector

Ground

Condition

Resistance

Terminal

2

Ground

CVT fluid temperature: 20

°

C (68

°

F)

Approx. 6.1 

CVT fluid temperature: 50

°

C (122

°

F)

Approx. 6.9 

CVT fluid temperature: 80

°

C (176

°

F)

Approx. 7.7 

TM-424

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

P0846 TRANSMISSION FLUID PRESSURE SEN/SW B

P0846 TRANSMISSION FLUID PRESSURE SEN/SW B

DTC Logic

INFOID:0000000006628366

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Be careful of the driving speed.

1.

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

1.

Start the engine.

2.

Shift the selector lever to “D” position.

3.

Drive the vehicle at a constant velocity of 40 km/h (25 MPH) at lease for 10 seconds.

CAUTION:

At the same time, the accelerator pedal angle must be maintained constant.

4.

Stop the vehicle.

5.

Check the first trip DTC.

Is “P0846”detected?

YES

>> Go to 

TM-425, "Diagnosis Procedure"

.

NO

>> INSPECTION END

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P0846

Transmission Fluid Pressure 
Sensor/Switch B Circuit 
Range/Performance

The detection conditions continuously for 5 
seconds or more under the following diagno-
sis conditions:
• Diagnosis conditions
- Selector lever: “D” position
- The primary pulley speed experienced 306 

rpm or more and the secondary pulley 
speed experienced 230 rpm or more at 
least once.

- Stop lamp switch: OFF
- Wheel spin is not being detected.
- The rate of change in pulley ratio: Between 

0.09 and +0.09 inclusive

- TCM power supply voltage: 10 V 

 TCM 

power supply voltage 

 16 V

- Solenoid valve output current: 750 mA or 

more

- GND short diagnosis of the solenoid valve 

circuit is not satisfied. 

- TCM power supply voltage: 10 V 

 TCM 

power supply voltage 

 16 V

• Detection conditions
- After the value of “Actual secondary pres-

sure 

 Target secondary pressure” exceeds 

0.675 MPa:

• The rate of change in vehicle speed [km/h 

(MPH)]: Between 

49 (

30) and +49 (+30) 

inclusive

• The rate of change in accelerator pedal an-

gle: Between 

1.3/8 and +1.3/8 inclusive

• Secondary pressure sensor
• Control valve assembly

P0846 TRANSMISSION FLUID PRESSURE SEN/SW B

TM-425

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

Diagnosis Procedure

INFOID:0000000006628367

1.

CHECK TCM INPUT SIGNAL

1.

Start the engine.

2.

Check the voltage between TCM connector terminal and ground.

Is the inspection result normal?

YES 

>> Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

NO

>> There is a malfunction of the secondary pressure sensor value. Replace the transaxle assembly.

Refer to 

TM-508, "Removal and Installation"

.

TCM connector

Ground

Condition

Voltage

Connector

Terminal

F18

16

Ground

• Selector lever: “N” position
• Idle speed

Approx. 0.88 – 0.92 V

TM-426

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

P0847 TRANSMISSION FLUID PRESSURE SEN/SW B

P0847 TRANSMISSION FLUID PRESSURE SEN/SW B

DTC Logic

INFOID:0000000006487681

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT-III

1.

Start the engine.

2.

Select “Data Monitor” in “TRANSMISSION”.

3.

Select “FLUID TEMP”.

4.

Maintain the following conditions for 10 seconds or more.

5.

Check the first trip DTC.

With GST.

1.

Start the engine and wait for at least 10 seconds.

CAUTION:

When the ambient temperature is 

20

°

C (

4

°

F) or less and the engine is cold, warm up the engine

for approximately 5 minutes. 

2.

Check the first trip DTC.

Is “P0847”detected?

YES

>> Go to 

TM-426, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006487682

1.

CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 1)

1.

Turn ignition switch OFF.

2.

Disconnect the TCM connector and the CVT unit connector.

3.

Check the continuity between the TCM harness connector terminals and the CVT unit harness connector
terminals.

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P0847

Transmission Fluid Pressure 
Sensor/Switch B Circuit Low

The secondary pressure sensor voltage is 
0.09 V or less continuously for 5 seconds or 
more under the following diagnosis condi-
tions:
• Diagnosis conditions
- CVT fluid temperature: 

20

°

C (

4

°

F) or 

more

- TCM power supply voltage: 10 V 

 TCM 

power supply voltage 

 16 V

• Harness or connector

(Secondary pressure sensor circuit is 
open or shorted to ground) 

• Secondary pressure sensor 
• Control valve assembly

FLUID TEMP

19

°

C (

2.2

°

F) or more

TCM harness connector

CVT unit harness connector

Continuity

Connector

Terminal

Connector

Terminal

F18

15

F24

18

Existed

16

14

26

16

P0847 TRANSMISSION FLUID PRESSURE SEN/SW B

TM-427

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

Is the inspection result normal?

YES 

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (PART 2)

Check the continuity between the TCM harness connector terminals and ground.

Is the inspection result normal?

YES 

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK TCM INPUT SIGNALS

1.

Connect all connectors removed. 

2.

Start the engine.

3.

Check the voltage between TCM connector terminal and ground. 

Is the inspection result normal?

YES 

>> Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

NO

>> There is malfunction of the secondary pressure sensor. Replace the transaxle assembly. Refer to

TM-508, "Removal and Installation"

.

TCM harness connector

Ground

Continuity

Connector

Terminal

F18

15

Ground

Not existed

16

TCM connector

Ground

Condition

Voltage

Connector

Terminal

F18

16

Ground

• Selector lever: “N” position
• Idle speed

Approx. 0.88 – 0.92 V

TM-428

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

P0848 TRANSMISSION FLUID PRESSURE SEN/SW B

P0848 TRANSMISSION FLUID PRESSURE SEN/SW B

DTC Logic

INFOID:0000000006487683

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, the ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT-III

1.

Start the engine.

2.

Select “Data Monitor” in “TRANSMISSION”.

3.

Select “FLUID TEMP”.

4.

Maintain the following conditions for 10 seconds or more.

5.

Check the first trip DTC.

With GST.

1.

Start the engine and wait for at least 10 seconds.

CAUTION:

When the ambient temperature is 

20

°

C (

4

°

F) or less and the engine is cold, warm up the engine

for approximately 5 minutes. 

2.

Check the first trip DTC.

Is “P0848”detected?

YES

>> Go to 

TM-428, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006487684

1.

CHECK SECONDARY PRESSURE SENSOR POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect the CVT unit connector.

3.

Turn ignition switch ON.

4.

Check the voltage between CVT unit harness connector terminal and ground.

Is the inspection result normal?

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P0848

Transmission Fluid Pressure 
Sensor/Switch B Circuit Low

The secondary pressure sensor voltage is 4.7 
V or more continuously for 5 seconds or more 
under the following diagnosis conditions:
• Diagnosis conditions
- CVT fluid temperature: 

20

°

C (

4

°

F) or 

more

- Secondary pressure target value: 5.7 MPa 

or less

- TCM power supply voltage: 10 V 

 TCM 

power supply voltage 

 16 V

• Harness or connector

(Secondary pressure sensor circuit is 
shorted to power supply) 

• Secondary pressure sensor 
• Control valve assembly

FLUID TEMP

19

°

C (

2.2

°

F) or more

TCM harness connector

Ground

Voltage

Connector

Terminal

F24

16

Ground

Approx. 5.0 V

P0848 TRANSMISSION FLUID PRESSURE SEN/SW B

TM-429

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

YES 

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK CIRCUIT BETWEEN TCM AND CVT UNIT

1.

Turn the ignition switch OFF.

2.

Disconnect the TCM connector.

3.

Check the continuity between the TCM harness connector terminal and the CVT unit harness connector
terminal. 

Is the inspection result normal?

YES 

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK TCM INPUT SIGNALS

1.

Connect all connectors removed. 

2.

Start the engine.

3.

Check the voltage between TCM connector terminal and ground. 

Is the inspection result normal?

YES 

>> Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

NO

>> There is a malfunction of the secondary pressure sensor. Replace the transaxle assembly. Refer

to 

TM-508, "Removal and Installation"

.

TCM harness connector

CVT unit harness connector

Continuity

Connector

Terminal

Connector

Terminal

F18

26

F24

14

Not  existed

TCM connector

Ground

Condition

Voltage

Connector

Terminal

F18

16

Ground

• Selector lever: “N” position
• Idle speed

Approx. 0.88 – 0.92 V

TM-430

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

P0863 TCM COMMUNICATION

P0863 TCM COMMUNICATION

DTC Logic

INFOID:0000000006487686

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

With CONSULT-III

1.

Turn ignition switch ON.

2.

Check the DTC.

Is “P0863” detected?

YES

>> Go to 

TM-430, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006487687

1.

CHECK INTERMITTENT INCIDNT

Refer to 

GI-42, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace the TCM. Refer to 

TM-490, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning parts.

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P0863

TCM Communication Circuit

An error is detected at the initial CAN diagno-
sis of TCM. 

TCM

P0962 PRESSURE CONTROL SOLENOID A

TM-431

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F11A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

P0962 PRESSURE CONTROL SOLENOID A

DTC Logic

INFOID:0000000006487688

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.

>> GO TO 2.

2.

CHECK DTC DETECTION

1.

Start the engine and wait for 5 seconds or more.

2.

Check the first trip DTC.

Is “P0962” detected?

YES

>> Go to 

TM-431, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006487689

1.

CHECK CIRCUIT BETWEEN TCM AND THE CVT UNIT

1.

Turn ignition switch OFF.

2.

Disconnect the TCM connector and the CVT unit connector.

3.

Check the continuity between TCM harness connector terminal and ground.

Is the inspection result normal?

YES 

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK LINE PRESSURE SOLENOID VALVE

Check the line pressure solenoid valve. Refer to 

TM-431, "Component Inspection (Line Pressure Solenoid

Valve)"

.

Is the inspection result normal?

YES 

>> Check intermittent incident. Refer to 

GI-42, "Intermittent Incident"

.

NO

>> Repair or replace the malfunctioning parts.

Component Inspection (Line Pressure Solenoid Valve)

INFOID:0000000006628249

1.

CHECK LINE PRESSURE SOLENOID VALVE

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P0962

Pressure Control Solenoid A 
Control Circuit Low

The line pressure solenoid valve current is 
200 mA or less continuously for 200 msec or 
more under the following diagnosis condi-
tions:
• Diagnosis conditions
- Solenoid output current: 750 mA or more
- GND short diagnosis of the solenoid drive 

circuit is satisfied. 

- TCM power supply voltage: 10 V 

 TCM 

power supply voltage 

 16 V

• Harness or connector

(Line pressure solenoid valve circuit is 
shorted to ground)

• Line pressure solenoid valve

TCM harness connector

Ground

Continuity

Connector

Terminal

F18

30

Ground

Not existed

 

 

 

 

 

 

 

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