Content .. 178 179 180 181 ..

Nissan Juke (2016 year). Service Repair Manual - part 180

P0122, P0123 TP SENSOR

EC-255

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

1. Turn ignition switch OFF.

2. Reconnect all harness connectors disconnected.

3. Perform “ Throttle Valve Closed Position Learning”. Refer to

EC-161, "Description"

4. Turn ignition switch ON.

5. Set selector lever to D (CVT) or 1st (M/T) position.

6. Check the voltage between ECM harness connector terminals as per the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

>> Replace electric throttle control actuator. Refer to

EM-29, "Exploded View"

ECM

Condition

Voltage

Connector

−

Terminal

F26

Accelerator
pedal

Fully released

More than 0.36V

Fully depressed

Less than 4.75V

Fully released

Less than 4.75V

Fully depressed

More than 0.36V

Revision: November 2015

2016 JUKE

EC-256

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

P0125 ECT SENSOR

P0125 ECT SENSOR

DTC Logic

INFOID:0000000012197816

DTC DETECTION LOGIC

NOTE:

•

If DTC P0125 is displayed with P0116, first perform the trouble diagnosis for DTC P0116. Refer to

EC-

247, "DTC Logic"

•

If DTC P0125 is displayed with P0117 or P0118, first perform the trouble diagnosis for DTC P0117 or

P0118. Refer to

EC-249, "DTC Logic"

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure

before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 2.

CHECK ENGINE COOLANT TEMPERATURE SENSOR FUNCTION

With CONSULT

1. Turn ignition switch ON.

2. Select “DATA MONITOR” mode of “ENGINE” using CONSULT.

3. Check that “COOLAN TEMP/S” is above 10

C (50

F).

With GST

Follow the procedure “With CONSULT” above.
Is it above 5

C (41

F)?

YES

>> INSPECTION END

>> GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Start engine and run it for 65 minutes at idle speed.

2. Check 1st tip DTC.

If “COOLAN TEMP/S” indication increases to more than 10

C (50

F) within 65 minutes, stop engine

because the test result will be OK.

CAUTION:

Be careful not to overheat engine.

With GST

Follow the procedure “With CONSULT” above.
Is 1st trip DTC detected?

YES

>> Proceed to

EC-257, "Diagnosis Procedure"

>> INSPECTION END

DTC No.

Trouble diagnosis name

(Trouble diagnosis con-

tent)

DTC detecting condition

Possible cause

P0125

ECT SENSOR
(Insufficient engine coolant
temperature for closed
loop fuel control)

• Voltage sent to ECM from the sensor is not

practical, even when some time has passed
after starting the engine.

• Engine coolant temperature is insufficient for

closed loop fuel control.

• Harness or connectors

(High resistance in the circuit)

• Engine coolant temperature sensor
• Thermostat

Revision: November 2015

2016 JUKE

P0125 ECT SENSOR

EC-257

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

Diagnosis Procedure

INFOID:0000000012197817

CHECK ENGINE COOLANT TEMPERATURE SENSOR

Check the engine coolant temperature sensor. Refer to

EC-257, "Component Inspection"

Is the inspection result normal?

YES

>> GO TO 2.

>> Replace engine coolant temperature sensor. Refer to

CO-25, "Exploded View"

CHECK THERMOSTAT OPERATION

When the engine is cold [lower than 70

C (158

F)] condition, grasp lower radiator hose and confirm the engine

coolant does not flow.
Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-45, "Intermittent Incident"

>> Repair or replace thermostat. Refer to

CO-23, "Removal and Installation"

Component Inspection

INFOID:0000000012197818

CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR

1. Turn ignition switch OFF.

2. Disconnect ECT sensor harness connector.

3. Remove ECT sensor.

4. Check resistance between ECT sensor terminals by heating

with hot water as shown in the figure.

Is the inspection result normal?

YES

>> INSPECTION END

>> Replace engine coolant temperature sensor. Refer to

EM-100, "Exploded View"

ECT sensor

Condition

Resistance

Ω

)

−

Terminal

Temperature [

C (

F)]

20 (68)

2.37 - 2.63

50 (122)

0.68 - 1.00

90 (194)

0.236 - 0.260

JMBIA0080ZZ

Revision: November 2015

2016 JUKE

EC-258

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

P0127 IAT SENSOR

P0127 IAT SENSOR

DTC Logic

INFOID:0000000012197819

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure

before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

This test may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road

test is expected to be easier, it is unnecessary to lift the vehicle.

>> GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Wait until engine coolant temperature is less than 96

C (205

Turn ignition switch ON.

Select “DATA MONITOR” mode of “ENGINE” using CONSULT.

Check the engine coolant temperature.

If the engine coolant temperature is not less than 96

C (205

F), turn ignition switch OFF and cool down

engine.

NOTE:

Perform the following steps before engine coolant temperature is above 96

C (205

F).

2. Turn ignition switch ON.

3. Select “DATA MONITOR” mode of “ENGINE” using CONSULT

4. Start engine.

5. Hold vehicle speed at more than 70 km/h (43 MPH) for 100 consecutive seconds.

CAUTION:

Always drive vehicle at a safe speed.

6. Check 1st trip DTC.

With GST

Follow the procedure “With CONSULT” above.
Is 1st trip DTC detected?

YES

>> Proceed to

EC-258, "Diagnosis Procedure"

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000012197820

CHECK INTAKE AIR TEMPERATURE SENSOR 1

Check the intake air temperature sensor 1. Refer to

EC-259, "Component Inspection"

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-45, "Intermittent Incident"

DTC No.

Trouble diagnosis name

(Trouble diagnosis con-

tent)

DTC detecting condition

Possible cause

P0127

IAT SENSOR-B1
(Intake air temperature
too high)

Rationally incorrect voltage from the sensor is
sent to ECM, compared with the voltage signal
from engine coolant temperature sensor.

• Harness or connectors

(Intake air temperature sensor 1 circuit is
open or shorted)

• Intake air temperature sensor 1

Revision: November 2015

2016 JUKE

P0127 IAT SENSOR

EC-259

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

>> Replace mass air flow sensor (with intake air temperature sensor 1). Refer to

EM-27, "Exploded

View"

Component Inspection

INFOID:0000000012197821

CHECK INTAKE AIR TEMPERATURE SENSOR 1

1. Turn ignition switch OFF.

2. Disconnect mass air flow sensor harness connector.

3. Check resistance between mass air flow sensor terminals as per the following.

Is the inspection result normal?

YES

>> INSPECTION END

>> Replace mass air flow sensor (with intake air temperature sensor 1). Refer to

EM-27, "Exploded

View"

Mass air flow sensor

Condition

Resistance (k

Ω

)

−

Terminals

Temperature [

C (

F)]

25 (77)

1.800 - 2.200

Revision: November 2015

2016 JUKE

EC-260

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

P0128 THERMOSTAT FUNCTION

P0128 THERMOSTAT FUNCTION

DTC Logic

INFOID:0000000012197822

DTC DETECTION LOGIC

NOTE:

If DTC P0128 is displayed with DTC P0300, P0301, P0302, P0303 or P0304, first perform the trouble

diagnosis for P0300, P0301, P0302, P0303, P0304. Refer to

EC-335, "DTC Logic"

Engine coolant temperature has not risen enough to open the thermostat even though the engine has run long

enough.

This is due to a leak in the seal or the thermostat being stuck open.

DTC CONFIRMATION PROCEDURE

NOTE:

Never refuel before and during the following procedure.

PRECONDITIONING-I

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure

before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 2.

PRECONDITIONING-II

With CONSULT

1. Turn ignition switch ON.

2. Check the following conditions:

3. Select “DATA MONITOR” mode of “ENGINE” using CONSULT.

4. Check the following conditions:

Is the condition satisfied?

YES

>> GO TO 3.

>> 1. Satisfy the condition.

2. GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE-I

With CONSULT

1. Start engine.

2. Drive the vehicle until the following condition is satisfied.

CAUTION:

Always drive vehicle at safe speed.

STEP 1

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0128

THERMSTAT FNCTN
[Coolant thermostat (coolant
temperature below thermostat
regulating temperature)]

The engine coolant temperature does not
reach to specified temperature even though
the engine has run long enough.

• Thermostat
• Leakage from sealing portion of ther-

mostat

• Engine coolant temperature sensor

Ambient temperature

−

C (14

F) or more

A/C switch

OFF

Blower fan switch

OFF

COOLAN TEMP/S

−

C – 52

C (14 – 126

Revision: November 2015

2016 JUKE

P0128 THERMOSTAT FUNCTION

EC-261

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

Drive the vehicle under the conditions instructed below until the difference between “COOLAN TEMP/S” and

“FUEL T/TMP SE” becomes at least 23

C (41

F).

*: Example

STEP 2

Drive the vehicle at 50 km/h (32 MPH) or more with the difference between “COOLAN TEMP/S” and “FUEL

T/TMP SE” maintained at 23

C (41

F) or more.

NOTE:

Keep the accelerator pedal as steady as possible during cruising.

STEP 3

Drive the vehicle at 50 km/h (32 MPH) or more until “COOLAN TEMP/S” increases by 6

C (11

F).

NOTE:

Keep the accelerator pedal as steady as possible during cruising.

Is the condition satisfied?

YES

>> GO TO 4.

>> GO TO 1.

PERFORM DTC CONFIRMATION PROCEDURE-II

With CONSULT

1. Drive the vehicle until the following condition is satisfied.

CAUTION:

Always drive vehicle at safe speed.

2. Check 1st trip DTC.
Is 1st trip DTC detected?

YES

>> Proceed to

EC-261, "Diagnosis Procedure"

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000012197823

CHECK ENGINE COOLANT TEMPERATURE SENSOR

Check the engine coolant temperature sensor. Refer to

EC-261, "Component Inspection"

Is the inspection result normal?

YES

>> GO TO 2.

>> Replace engine coolant temperature sensor. Refer to

CO-25, "Exploded View"

CHECK THERMOSTAT

Check the thermostat. Refer to

CO-24, "Inspection"

Is the inspection result normal?

YES

>> INSPECTION END

>> Replace thermostat. Refer to

CO-23, "Removal and Installation"

Component Inspection

INFOID:0000000012197824

CHECK ENGINE COOLANT TEMPERATURE SENSOR

COOLAN TEMP/S

C (149

F) or less

FUEL T/TMP SE

Less than the value calculated by sub-
tracting 23

C (41

F) from “COOLAN

TEMP/S”.*

COOLAN TEMP/S

FUEL T/TMP SE

C (158

C (117

F) or less

C (149

C (108

F) or less

C (140

C (99

F) or less

COOLAN TEMP/S

C (149

F) or more

Revision: November 2015

2016 JUKE

EC-262

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

P0128 THERMOSTAT FUNCTION

1. Turn ignition switch OFF.

2. Disconnect engine coolant temperature sensor harness connector.

3. Remove engine coolant temperature sensor.

4. Check resistance between engine coolant temperature sensor

terminals by heating with hot water as shown in the figure.

Is the inspection result normal?

YES

>> INSPECTION END

>> Replace engine coolant temperature sensor. Refer to

CO-25, "Exploded View"

Engine coolant tem-

perature sensor

Condition

Resistance (k

Ω

)

−

Terminal

Temperature [

(

F)]

20 (68)

2.37 - 2.63

50 (122)

0.68 - 1.00

90 (194)

0.236 - 0.260

JMBIA0080ZZ

Revision: November 2015

2016 JUKE

Content .. 178 179 180 181 ..