Nissan Qashqai J11. Manual — part 511

EC9-200

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P0106 TC BOOST SENSOR

5.

CHECK TURBOCHARGER BOOST SENSOR

Check turbocharger boost sensor. Refer to

EC9-200, "Component Inspection (Turbocharger Boost Sensor)"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace error-detected parts.

6.

CHECK TURBOCHARGER BOOST SENSOR POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Check the power supply of the turbocharger boost sensor.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Perform trouble diagnosis for power supply circuit.

7.

CHECK TURBOCHARGER BOOST SENSOR CIRCUIT FOR OPEN AND SHORT

Check turbocharger boost sensor circuit for open and short.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-41, "Intermittent Incident"

.

NO

>> Repair or replace error-detected parts.

Component Inspection (Turbocharger Boost Sensor)

INFOID:0000000010309115

1.

CHECK TURBOCHARGER BOOST SENSOR

1.

Turn ignition switch OFF.

2.

Disconnect turbocharger boost sensor harness connector.

3.

Check resistance between turbocharger boost sensor terminals under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace turbocharger boost sensor.

+

-

Voltage

(Approx.)

Turbocharger boost sensor

Connector

Terminal

F121

3

Ground

5.0 V

+

-

Continuity

ECM

Turbocharger boost sensor

Connector

Terminal

Connector

Terminal

F82

59

F121

3

Existed

81

1

85

4

Turbocharger boost sensor

Resistance

+

-

Terminal

4

1

More than 50 k

Ω

P0110 IAT SENSOR

EC9-201

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

P0110 IAT SENSOR

DTC Logic

INFOID:0000000010309116

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

EC9-201, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010309117

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 MASS AIR FLOW SENSOR HARNESS CONNECTOR CONNECTIONS

Check mass air flow sensor (with intake air temperature sensor 1) harness connector connection.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT FOR OPEN AND SHORT

Check intake air temperature sensor 1 sensor circuit for open and short.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0110

AIR TEMP SEN/CIRC
(Intake air temperature sensor 1 cir-
cuit bank 1)
• 1.DEF: VOLTAGE TOO LOW
• 2.DEF: VOLTAGE TOO HIGH

• An excessively low voltage from In-

take air temperature sensor 1 is sent
to ECM for 1 second.

• An excessively high voltage from In-

take air temperature sensor 1 is sent
to ECM for 1 second.

• Harness or connectors

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

• Intake air temperature sensor 1

+

-

Continuity

ECM

Mass air flow sensor

Connector

Terminal

Connector

Terminal

F82

74

F91

1

Existed

82

2

EC9-202

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P0110 IAT SENSOR

4.

CHECK INTAKE AIR TEMPERATURE SENSOR 1

Refer to

EC9-202, "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:0000000010309118

1.

CHECK INTAKE AIR TEMPERATURE SENSOR 1

1.

Disconnect mass air flow sensor harness connector.

2.

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

Is the inspection result normal?

YES

>> INSPECTION END

NO

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

Mass air flow sensor

Condition

Resistance

+

-

Terminal

1

2

Temperature

°

C (

°

F)

20 (68)

2.342 – 2.531 k

Ω

P0115 ECT SENSOR

EC9-203

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

P0115 ECT SENSOR

DTC Logic

INFOID:0000000010309119

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

EC9-203, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010309120

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: 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.

• Harness or connectors

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

• Engine coolant temperature sensor