Nissan Juke F15. Manual - part 354

P0097, P0098 IAT SENSOR 2

EC-229

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

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P0097, P0098 IAT SENSOR 2

DTC Logic

INFOID:0000000012197786

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

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.

TEST CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine and let it idle for at least 5 seconds.

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

YES

>> Proceed to 

EC-229, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000012197787

1.

CHECK INTAKE AIR TEMPERATURE SENSOR 2 POWER SUPPLY CIRCUIT-I

1. Turn ignition switch OFF.

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0097

IAT SENSOR 2 B1
(Intake air temperature sensor 2 
circuit low input)

ECM detects the following status continuous-
ly for 5 seconds or more:
A voltage signal transmitted from the intake 
air temperature sensor 2 is 0.085 V or less.

• Harness or connectors

(Intake air temperature sensor 2 cir-
cuit is open or shorted.)
(Turbocharger boost sensor circuit is 
open or shorted.)
(Fuel rail pressure sensor circuit is 
open or shorted.)
(Battery current sensor circuit is open 
or shorted.)
(G sensor circuit is open or shorted.) 
(Crankshaft position sensor circuit is 
open or shorted.)
(Exhaust valve timing control position 
sensor circuit is open or shorted.)
(Accelerator pedal position sensor 2 
circuit is open or shorted.)
(Engine oil pressure sensor circuit is 
open or shorted.)

• Intake air temperature sensor 2
• Turbocharger boost sensor
• Fuel rail pressure sensor
• Battery current sensor
• G sensor
• Crankshaft position sensor
• Exhaust valve timing control position 

sensor

• Accelerator pedal position sensor 2
• Engine oil pressure sensor

P0098

IAT SENSOR 2 B1
(Intake air temperature sensor 2 
circuit high input)

ECM detects the following status continuous-
ly for 5 seconds or more:
A voltage signal transmitted from the intake 
air temperature sensor 2 is 4.84 V or more.

EC-230

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

P0097, P0098 IAT SENSOR 2

2. Disconnect turbocharger boost sensor harness connector.

3. Turn ignition switch ON.

4. Check the voltage between turbocharger boost sensor harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

CHECK INTAKE AIR TEMPERATURE SENSOR 2 SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between turbocharger boost sensor harness connector and ECM harness connector.

4. Also check harness for short to ground and short to power.
Is the inspection result normal?

YES

>> GO TO 3.

NO 

>> Repair or replace error-detected parts.

3.

CHECK INTAKE AIR TEMPERATURE SENSOR 2

Check intake air temperature sensor 2. Refer to 

EC-231, "Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-45, "Intermittent Incident"

.

NO

>> Replace turbocharger boost sensor (with intake air temperature sensor 2). Refer to 

EM-29,

"Exploded View"

.

4.

CHECK INTAKE AIR TEMPERATURE SENSOR 2 POWER SUPPLY CIRCUIT-II

Check the voltage between turbocharger boost sensor harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 7.

5.

CHECK INTAKE AIR TEMPERATURE SENSOR 2 GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between turbocharger boost sensor harness connector and ECM harness connector.

Turbocharger boost sensor

Voltage

(Approx.)

Connector

+

−

Terminal

F75

1

3

5 V

+

−

Continuity

Turbocharger boost sensor

ECM

Connector

Terminal

Connector

Terminal

F75

4

F26

88

Existed

+

−

Voltage

(Approx.)

Turbocharger boost sensor

Connector

Terminal

F75

1

Ground

5 V

P0097, P0098 IAT SENSOR 2

EC-231

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

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Is the inspection result normal?

YES

>> GO TO 6.

NO 

>> Repair or replace error-detected parts.

6.

CHECK ECM GROUND CIRCUIT

Check the continuity between ECM harness connector and ground.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-45, "Intermittent Incident"

.

NO 

>> Repair or replace error-detected parts.

7.

CHECK SENSOR POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connectors and each sensor harness connectors

3. Check harness connector for short to power and short to ground, between the following terminals.

Is the inspection result normal?

YES

>> Perform the trouble diagnosis for power supply circuit.

NO 

>> Repair or replace error-detected parts.

Component Inspection

INFOID:0000000012197788

1.

CHECK INTAKE AIR TEMPERATURE SENSOR 2

1. Turn ignition switch OFF.

2. Disconnect turbocharger boost sensor harness connector.

3. Check resistance between turbocharger boost sensor terminals as follows.

+

−

Continuity

Turbocharger boost sensor

ECM

Connector

Terminal

Connector

Terminal

F75

3

F25

44

Existed

ECM

Ground

Continuity

Connector

Terminal

F25

1

Ground

Existed

2

E18

123

124

127

ECM

Sensor

Connector

Terminal

Name

Connector

Terminal

F25

39

FRP sensor

F5

1

EOP sensor

F43

3

Turbocharger boost sensor

F75

1

F26

68

Battery current sensor

F52

1

G sensor

B32

3

72

CMP sensor

F109

1

EVT control position sensor

F110

1

E18

118

APP sensor 2

E101

5

EC-232

< DTC/CIRCUIT DIAGNOSIS >

[MR FOR NISMO RS MODELS]

P0097, P0098 IAT SENSOR 2

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace turbocharger boost sensor (with intake air temperature sensor 2). Refer to 

EM-29,

"Exploded View"

.

Turbocharger boost sensor

Condition

Resistance (k

Ω)

+

−

Terminals

3

4

Temperature [

°C (°F)]

25 (77)

1.80 – 2.20