Nissan Qashqai J11. Manual - part 410

ECK-200

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P0110 IAT SENSOR

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK INTAKE AIR TEMPERATURE SENSOR 1

Refer to 

ECK-200, "Component Inspection (Intake Air Temperature Sensor 1)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Replace error-detected parts.

Component Inspection (Intake Air Temperature Sensor 1)

INFOID:0000000010289776

1.

CHECK INTAKE AIR TEMPERATURE SENSOR 1

Check resistance between mass air flow sensor terminals 1 and 2 under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

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

Intake air temperature

°

C (

°

F)

Resistance (Approx.)

k

Ω

−

10 (14)

8.716 – 9.689

10 (50)

3.553 – 3.875

20 (68)

2.353 – 2.543

30 (86)

1.613 – 1.729

50 (122)

0.794 – 0.839

P0115 ECT SENSOR

ECK-201

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

ECK

N

P

O

P0115 ECT SENSOR

DTC Logic

INFOID:0000000010289777

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 1 minute before conducting the next test.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON and wait at least 10 seconds.

2.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

ECK-201, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010289778

1.

CHECK ECM HARNESS CONNECTOR CONNECTIONS

1.

Turn ignition switch OFF.

2.

Check ECM harness connector connection.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK ENGINE COOLANT TEMPERATURE SENSOR HARNESS CONNECTOR CONNECTIONS

Check engine coolant temperature sensor harness connector connection.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT FOR OPEN AND SHORT

Check engine coolant temperature sensor circuit for open and short.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0115

WATER TEMPERATURE SENSOR 
CIRC
(Engine coolant temperature sensor 1 
circuit)
• 1.DEF: VOLTAGE TOO LOW
• 2.DEF: VOLTAGE TOO HIGH
• 3.DEF: INTERMITTENT SIGNAL 

INCOHERENCE

• 4.DEF: IMPROPER SIGNAL 

SHAPE

• 5.DEF: CIRCUIT QUANTITY NOT 

PLAUSIBLE

• An excessively low voltage from En-

gine Coolant Temperature Sensor is 
sent to ECM for 1 second.

• An excessively high voltage from 

Engine Coolant Temperature Sen-
sor is sent to ECM for 1 second.

• Engine coolant temperature chang-

es rapidly for 8 seconds.

• ECM detects improper signal.

• Harness or connectors

(Engine coolant temperature sensor 
circuit is open or shorted.)

• Engine coolant temperature sensor
• ECM

ECK-202

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P0115 ECT SENSOR

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK ENGINE COOLANT TEMPERATURE SENSOR-I

Refer to 

ECK-202, "Component Inspection (Engine Coolant Temperature Sensor)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> GO TO 5.

5.

CHECK ENGINE COOLANT TEMPERATURE SENSOR-II

1.

Replace the engine coolant temperature sensor.

2.

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

3.

Check that “WATER TEMP” indicates value grows up.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Replace error-detected parts.

Component Inspection (Engine Coolant Temperature Sensor)

INFOID:0000000010289779

1.

CHECK ENGINE COOLANT TEMPERATURE SENSOR

Check resistance between engine coolant temperature sensor terminals 2 and 3 under the following condi-
tions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace Engine coolant temperature sensor.

+

-

Continuity

ECM

Engine coolant temperature 

sensor

Connector

Terminal

Connector

Terminal

F81

120

F50

2

Existed

122

1

Terminal

Engine coolant temperature

°

C 

(

°

F)

Resistance (Approx.)

k

Ω

1 and 2

−

10 (14)

11.33 – 13.59

25 (77)

2.140 – 2.364

50 (122)

0.771 – 0.849

80 (176)

0.275 – 0.291

110 (230)

0.112 – 0.117

P0120 TP SENSOR

ECK-203

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

ECK

N

P

O

P0120 TP SENSOR

DTC Logic

INFOID:0000000010289780

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 1 minute before conducting the next test.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON and wait at least 1 second.

2.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

ECK-203, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010289781

1.

CHECK ECM HARNESS CONNECTOR CONNECTIONS

1.

Turn ignition switch OFF.

2.

Check ECM harness connector connection.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace error-detected parts.

2.

CHECK ELECTRIC THROTTLE CONTROL ACTUATOR HARNESS CONNECTOR CONNECTIONS

Check electric throttle control actuator harness connector connection.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK ELECTRIC THROTTLE CONTROL ACTUATOR FITTING CONDITION

Check electric throttle control actuator fitting condition.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Adjust parts fitting condition.

4.

CHECK ELECTRIC THROTTLE CONTROL ACTUATOR CIRCUIT FOR OPEN AND SHORT

Check electric throttle control actuator circuit for open and short.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0120

INLET AIR FLAP POSITION SEN
(Throttle/pedal position sensor/
switch “A” circuit)
• 1.DEF: SIGNAL INCOHER-

ENCE

• Throttle position sensor voltage sent to 

ECM is 4.8 V or more for 0.5 second or 
more.

• Throttle position sensor voltage sent to 

ECM is 0.2 V or less for 0.5 second or 
more.

• Harness or connectors

(Throttle position sensor circuit is open 
or shorted.)

• Throttle position sensor
• Electric throttle control actuator
• ECM