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Nissan Juke F15. Manual - part 508

P0102, P0103 MAF SENSOR

EC-845

< DTC/CIRCUIT DIAGNOSIS >

[MR EXCEPT FOR NISMO RS MODELS]

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

YES

>> GO TO 7.

>> Repair open circuit or short to ground or short to power in harness or connectors.

CHECK MASS AIR FLOW SENSOR

Check the mass air flow sensor. Refer to

EC-845, "Component Inspection"

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-45, "Intermittent Incident"

>> Replace mass air flow sensor. Refer to

EM-192, "Exploded View"

Component Inspection

INFOID:0000000012198349

CHECK MASS AIR FLOW (MAF) SENSOR-I

With CONSULT

1. Turn ignition switch OFF.

2. Reconnect all harness connectors disconnected.

3. Start engine and warm it up to normal operating temperature.

4. Connect CONSULT and select “DATA MONITOR” mode.

5. Select “MASS AIR FLOW SENSOR (Hz)” and check the indication.

*: Check for linear frequency rise in response to engine being increased to about 4,000 rpm.

Without CONSULT

1. Turn ignition switch OFF.

2. Reconnect all harness connectors disconnected.

3. Start engine and warm it up to normal operating temperature.

4. Check the frequency between ECM harness connector terminals under the following conditions.

*: Check for linear frequency rise in response to engine being increased to about 4,000 rpm.

Is the inspection result normal?

YES

>> GO TO 4.

>> GO TO 2.

−

Continuity

MAF sensor

ECM

Connector

Terminal

Connector

Terminal

F23

Existed

Monitor item

Condition

Indication (Hz)

MASS AIR FLOW SENSOR (Hz)

Ignition switch ON (Engine stopped.)

Approx. 3,700 Hz

Idle (Engine is warmed-up to normal operating temperature.)

5,100 – 5,500 Hz

2,500 rpm (Engine is warmed-up to normal operating temper-
ature.)

6,100 – 6,500 Hz

Idle to about 4,000 rpm

5,100 – 5,500 to Approx. 7,000 Hz*

ECM

Condition

Frequency (Hz)

Connector

–

Terminal

F23

Ignition switch ON (Engine stopped.)

Approx. 3,700 Hz

Idle (Engine is warmed-up to normal operating
temperature.)

5,100 – 5,500 Hz

2,500 rpm (Engine is warmed-up to normal op-
erating temperature.)

6,100 – 6,500 Hz

Idle to about 4,000 rpm

5,100 – 5,500 to Approx. 7,000 Hz*

EC-846

< DTC/CIRCUIT DIAGNOSIS >

[MR EXCEPT FOR NISMO RS MODELS]

P0102, P0103 MAF SENSOR

CHECK FOR THE CAUSE OF UNEVEN AIR FLOW THROUGH MAF SENSOR

1. Turn ignition switch OFF.

2. Check for the cause of uneven air flow through MAF sensor. Refer to the following.

Crushed air ducts

Malfunctioning seal of air cleaner element

Uneven dirt of air cleaner element

Improper specification of intake air system parts

Is the inspection result normal?

YES

>> GO TO 4.

>> GO TO 3.

CHECK MAF SENSOR-II

With CONSULT

1. Repair or replace malfunctioning part.

2. Start engine and warm it up to normal operating temperature.

3. Connect CONSULT and select “DATA MONITOR” mode.

4. Select “MASS AIR FLOW SENSOR (Hz)” and check the indication.

*: Check for linear frequency rise in response to engine being increased to about 4,000 rpm.

Without CONSULT

1. Repair or replace malfunctioning part.

2. Start engine and warm it up to normal operating temperature.

3. Check the frequency between ECM harness connector terminals under the following conditions.

*: Check for linear frequency rise in response to engine being increased to about 4,000 rpm.

Is the inspection result normal?

YES

>> INSPECTION END

>> GO TO 4.

CHECK MAF SENSOR-III

With CONSULT

1. Turn ignition switch OFF.

2. Disconnect MAF sensor harness connector and reconnect it again.

3. Start engine and warm it up to normal operating temperature.

4. Connect CONSULT and select “DATA MONITOR” mode.

5. Select “MASS AIR FLOW SENSOR (Hz)” and check the indication.

Monitor item

Condition

Indication (Hz)

MASS AIR FLOW SENSOR (Hz)

Ignition switch ON (Engine stopped.)

Approx. 3,700 Hz

Idle (Engine is warmed-up to normal operating temperature.)

5,100 – 5,500 Hz

2,500 rpm (Engine is warmed-up to normal operating temper-
ature.)

6,100 – 6,500 Hz

Idle to about 4,000 rpm

5,100 – 5,500 to Approx. 7,000 Hz*

ECM

Condition

Frequency (Hz)

Connector

–

Terminal

F23

Ignition switch ON (Engine stopped.)

Approx. 3,700 Hz

Idle (Engine is warmed-up to normal operating
temperature.)

5,100 – 5,500 Hz

2,500 rpm (Engine is warmed-up to normal op-
erating temperature.)

6,100 – 6,500 Hz

Idle to about 4,000 rpm

5,100 – 5,500 to Approx. 7,000 Hz*

P0102, P0103 MAF SENSOR

EC-847

< DTC/CIRCUIT DIAGNOSIS >

[MR EXCEPT FOR NISMO RS MODELS]

*: Check for linear frequency rise in response to engine being increased to about 4,000 rpm.

Without CONSULT

1. Turn ignition switch OFF.

2. Disconnect MAF sensor harness connector and reconnect it again.

3. Start engine and warm it up to normal operating temperature.

4. Check the frequency between ECM harness connector terminals under the following conditions.

*: Check for linear frequency rise in response to engine being increased to about 4,000 rpm.

Is the inspection result normal?

YES

>> INSPECTION END

>> Clean or replace MAF sensor. Refer to

EM-192, "Exploded View"

Monitor item

Condition

Indication (Hz)

MASS AIR FLOW SENSOR (Hz)

Ignition switch ON (Engine stopped.)

Approx. 3,700 Hz

Idle (Engine is warmed-up to normal operating temperature.)

5,100 – 5,500 Hz

2,500 rpm (Engine is warmed-up to normal operating temper-
ature.)

6,100 – 6,500 Hz

Idle to about 4,000 rpm

5,100 – 5,500 to Approx. 7,000 Hz*

ECM

Condition

Frequency (Hz)

Connector

–

Terminal

F23

Ignition switch ON (Engine stopped.)

Approx. 3,700 Hz

Idle (Engine is warmed-up to normal operating
temperature.)

5,100 – 5,500 Hz

2,500 rpm (Engine is warmed-up to normal op-
erating temperature.)

6,100 – 6,500 Hz

Idle to about 4,000 rpm

5,100 – 5,500 to Approx. 7,000 Hz*

EC-848

< DTC/CIRCUIT DIAGNOSIS >

[MR EXCEPT FOR NISMO RS MODELS]

P0106 TC BOOST SENSOR

P0106 TC BOOST SENSOR

DTC Logic

INFOID:0000000012198350

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

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.

PERFORM DTC CONFIRMATION PROCEDURE

1. Accelerate the vehicle to 60 km/h (37 MPH) in 2nd gear (M/T models), or “SPORT mode” (CVT models)

and keep that status 15 seconds.

2. Check DTC.
Is DTC detected?

YES

EC-848, "Diagnosis Procedure"

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000012198351

CHECK TURBOCHARGER BOOST SENSOR FITTING CONDITION

Check turbocharger boost sensor fitting condition.
Is the inspection result normal?

YES

>> GO TO 2.

>> Adjust parts fitting condition.

CHECK FOR CHARGE AIR LEAK

1. Start the engine and let it idle.

2. Listen for an charge air leak.
Is intake air leak detected?

YES

>> Repair or replace error-detected parts.

>> GO TO 3.

CHECK TURBOCHARGER BOOST SENSOR HARNESS CONNECTOR CONNECTIONS

Check turbocharger boost sensor harness connector connection F75.
Is the inspection result normal?

YES

>> GO TO 4.

>> Repair or replace error-detected parts.

CHECK TURBOCHARGER BOOST SENSOR

Check turbocharger boost sensor. Refer to

EC-849, "Component Inspection"

Is the inspection result normal?

YES

>> GO TO 5.

>> Replace error-detected parts.

CHECK TURBOCHARGER BOOST SENSOR POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0106

ABSL PRES SEN/CIRC
(Turbocharger boost sensor
circuit)

Difference between intake manifold air
pressure and barometric pressure
while engine stopped.

• Harness or connectors
• TC boost sensor

Content .. 506 507 508 509 ..