Nissan Juke F15. Manual - part 1275

TM-290

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10B]

P1726 THROTTLE CONTROL SIGNAL

P1726 THROTTLE CONTROL SIGNAL

Description

INFOID:0000000012200988

Electric throttle control actuator consists of throttle control motor, accelerator pedal position sensor, throttle

position sensor etc. The actuator sends a signal to the ECM, and ECM sends the signal to TCM with CAN

communication.

DTC Logic

INFOID:0000000012200989

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

1. Start the engine.

2. Run engine for at least 10 consecutive seconds at idle speed.

3. Select “Self Diagnostic Results” in “TRANSMISSION”.
Is “P1726” detected?

YES

>> Go to 

TM-290, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000012200990

1.

CHECK DTC (ECM) 

With CONSULT

1. Turn ignition switch ON.

2. Select “Self Diagnostic Results” in “ENGINE”.
Is any DTC detected?

YES

>> Check DTC detected item. Refer to 

EC-115, "DTC Index"

.

NO

>> Check intermittent incident. Refer to 

GI-45, "Intermittent Incident"

.

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P1726

Throttle Control Signal Circuit

TCM receives a malfunction signal of engine 
system from ECM

Harness or connectors
(Electronically controlled throttle sensor 
signal circuit is open or shorted.)

P1740 SELECT SOLENOID

TM-291

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10B]

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N

O

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P1740 SELECT SOLENOID

DTC Logic

INFOID:0000000012200991

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe 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 (PART 1)

With CONSULT

1. Start the engine.

2. Select “Data Monitor” in “TRANSMISSION”.

3. Select “RANGE”.

4. Maintain the following condition for 1 second or more.

5. Select “Self Diagnostic Results” in “TRANSMISSION”.

With GST

Follow the procedure “With CONSULT”.
Is “P1740” detected?

YES

>> Go to 

TM-291, "Diagnosis Procedure"

.

NO

>> GO TO 3.

3.

CHECK DTC DETECTION (PART 2)

With CONSULT

1. Select “Data Monitor” in “TRANSMISSION”.

2. Select “RANGE”.

3. Maintain the following condition for 1 second or more.

4. Select “Self Diagnostic Results” in “TRANSMISSION”.

With GST

Follow the procedure “With CONSULT”.
Is “P1740” detected?

YES

>> Go to 

TM-291, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000012200992

1.

CHECK LOCK-UP SELECT SOLENOID VALVE

1. Turn ignition switch OFF.

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P1740

Lock-up Select Solenoid 
Valve Circuit

• Monitor value for lock-up select solenoid 

valve is OFF when TCM command value for 
lock-up select solenoid valve is ON.

• Monitor value for lock-up select solenoid 

valve is ON when TCM command value for 
lock-up select solenoid valve is OFF.

• Harness or connectors

(Lock-up select solenoid circuit is open 
or shorted.)

• Lock-up select solenoid valve

RANGE

: “P” or “N” position

RANGE

: “R” or “D” position

TM-292

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10B]

P1740 SELECT SOLENOID

2. Disconnect CVT unit connector.

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

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (LOCK-UP SELECT SOLENOID VALVE) (PART 1)

1. Disconnect TCM connector.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace damaged parts.

3.

CHECK CIRCUIT BETWEEN TCM AND CVT UNIT (LOCK-UP SELECT SOLENOID VALVE) (PART 2)

Check continuity between TCM harness connector terminal and ground.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-45, "Intermittent Incident"

.

NO

>> Repair or replace damaged parts.

4.

CHECK TERMINAL CORD ASSEMBLY (PART 1)

1. Remove terminal cord assembly. Refer to 

TM-330, "Removal and Installation"

.

2. Check continuity between CVT unit harness connector terminal and control valve harness connector ter-

minal.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace damaged parts.

5.

CHECK TERMINAL CORD ASSEMBLY (PART 2)

Check terminal cord assembly harness cladding for damage.
Is the inspection result normal?

YES

>> Replace the transaxle assembly. Refer to 

TM-347, "Removal and Installation"

.

NO

>> Repair or replace damaged parts.

CVT unit

Ground

Condition

Resistance

Connector

Terminal

F209

13

Ground

CVT fluid temperature: 20

°C (68°F)

Approx. 26.0 – 30.0 

Ω

CVT fluid temperature: 50

°C (122°F)

Approx. 29.0 – 34.0 

Ω

CVT fluid temperature: 80

°C (176°F)

Approx. 32.0 – 37.0 

Ω

TCM

CVT unit

Continuity

Connector

Terminal

Connector

Terminal

F81

37

F51

13

Existed

TCM

Ground

Continuity

Connector

Terminal

F81

37

Ground

Not existed

CVT unit

Control valve

Continuity

Connector

Terminal

Connector

Terminal

F209

13

F208

11

Existed

P1777 STEP MOTOR

TM-293

< DTC/CIRCUIT DIAGNOSIS >

[CVT: RE0F10B]

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P1777 STEP MOTOR

DTC Logic

INFOID:0000000012200993

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe 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

With CONSULT

1. Start the engine.

2. Select “Data Monitor” in “TRANSMISSION”.

3. Select “RANGE” and “VEHICLE SPEED”.

4. Drive the vehicle.

5. Maintain the following condition for 1 second or more.

6. Stop the vehicle.

7. Select “Self Diagnostic Results” in “TRANSMISSION”.

With GST

Follow the procedure “With CONSULT”.
Is “P1777” detected?

YES

>> Go to 

TM-293, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000012200994

1.

CHECK STEP MOTOR CIRCUIT (PART 1)

1. Turn ignition switch OFF.

2. Disconnect TCM connector.

3. Check resistance between TCM harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK STEP MOTOR CIRCUIT (PART 2)

DTC

Trouble diagnosis name

DTC detection condition

Possible causes

P1777

Step Motor Circuit

• Step motor monitor value is OFF when step 

motor command value of TCM is ON

• Step motor monitor value is ON when step 

motor command value of TCM is OFF

• Harness or connectors

(Step motor circuit is open or shorted.)

• Step  motor

RANGE

: “D” position

VEHICLE SPEED

: 20 km/h (13 MPH) or more

TCM

Resistance

Connector

Terminal

F81

27 – 28

Approx. 30.0 

Ω

29 – 30