Nissan Rogue. Manual - part 501

EC-272

< DTC/CIRCUIT DIAGNOSIS >

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P0172 FUEL INJECTION SYSTEM FUNCTION

7. Crank engine for about 3 seconds.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Replace fuel injectors from which fuel does not spray

out. Always replace O-ring with new ones. Refer to 

EM-

45, "Removal and Installation"

.

9.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Fuel should be sprayed evenly for each fuel injector.

PBIA9666J

P0181 FTT SENSOR

EC-273

< DTC/CIRCUIT DIAGNOSIS >

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P0181 FTT SENSOR

DTC Description

INFOID:0000000011278000

DTC DETECTION LOGIC

POSSIBLE CAUSE

DTC P0181 - A

• Harness or connectors (FTT sensor circuit is open or shorted.)

• FTT sensor

• Combination meter

DTC P0181 - B

• Harness or connectors (High or low resistance in the FTT sensor circuit)

• FTT sensor

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

1.

INSPECTION START

Is it necessary to erase permanent DTC?

YES

>> GO TO 7.

NO

>> GO TO 2.

2.

PRECONDITIONING

If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following proce-

dure 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 3.

3.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A-1

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

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

YES

>> Proceed to 

EC-275, "Diagnosis Procedure"

.

NO

>> GO TO 4.

4.

CHECK ENGINE COOLANT TEMPERATURE

With CONSULT

1. Select “COOLAN TEMP/S” in “DATA MONITOR” of “ENGINE” using CONSULT.

2. Check “COOLAN TEMP/S” value.

With GST

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P0181

FTT SENSOR
(Fuel temperature sensor 

″A″ circuit range/

performance)

A

Rationally incorrect voltage from the sensor is sent to ECM, compared 
with the voltage signals from ECT sensor and intake air temperature 
sensor.

B

The comparison result of signals transmitted to ECM from each tem-
perature sensor (IAT sensor, ECT sensor, EOT sensor, and FTT sen-
sor) shows that the voltage signal of the FTT sensor is higher/lower 
than that of other temperature sensors when the engine is started with 
its cold state.

EC-274

< DTC/CIRCUIT DIAGNOSIS >

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P0181 FTT SENSOR

Follow the procedure “With CONSULT” above.
“COOLAN TEMP/S” less than 60

°C (140°F)?

YES

>> INSPECTION END

NO

>> GO TO 5.

5.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A-2

With CONSULT

1. Cool engine down until “COOLAN TEMP/S” is less than 60

°C (140°F).

2. Wait at least 10 seconds.

3. Check 1st trip DTC.

With GST

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

YES

>> Proceed to 

EC-275, "Diagnosis Procedure"

.

NO

>> GO TO 6.

6.

CHECK FUEL TANK TEMPERATURE (FTT) SENSOR

1. Turn ignition switch OFF.

2. Disconnect fuel level sensor unit and fuel pump harness connector.

3. Remove fuel level sensor unit. Refer to 

FL-5, "Removal and Installation"

.

4. Check resistance between fuel level sensor unit and fuel pump

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

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Proceed to 

EC-275, "Diagnosis Procedure"

.

7.

PRECONDITIONING

If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following proce-

dure 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:

• Before performing the following procedure, do not add fuel.

• Before performing the following procedure, check that fuel level is between 1/4 and 4/4.

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

>> GO TO 8.

8.

PERFORM DTC CONFIRMATION PROCEDURE B

1. Move the vehicle to a cool place.

NOTE:

Cool the vehicle in an environment of ambient air temperature between 

−10°C (14°F) and 35°C (95°F).

2. Turn ignition switch OFF and leave the vehicle for 12 hours.

CAUTION:

Never turn ignition switch ON during this procedure.

NOTE:

The vehicle must be cooled with the hood open.

3. Start engine and let it idle for 5 minutes or more.

CAUTION:

Fuel level sensor unit 

and fuel pump

Condition

Resistance (k

Ω)

+

−

Terminal

3

 

1

Temperature [

°C 

(

°F)]

20 (68)

2.3 – 2.7

50 (122)

0.79 – 0.90

JMBIA0167ZZ

P0181 FTT SENSOR

EC-275

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Never turn ignition switch OFF during idling.

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

YES

>> Proceed to 

EC-275, "Diagnosis Procedure"

.

NO

>> INSPECTION END

9.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000011278001

1.

INSPECTION START

Confirm the detected malfunction (A or B). Refer to 

EC-273, "DTC Description"

.

Which malfunction is detected?

A

>> GO TO 2.

B

>> GO TO 6.

2.

CHECK DTC WITH COMBINATION METER

Check DTC with combination meter. Refer to 

MWI-21, "CONSULT Function (METER/M&A)"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Proceed to 

MWI-63, "Component Function Check"

.

3.

CHECK FUEL TANK TEMPERATURE (FTT) SENSOR POWER

1. Turn ignition switch OFF.

2. Disconnect fuel level sensor unit and fuel pump harness connector.

3. Turn ignition switch ON.

4. Check the voltage between fuel level sensor unit and fuel pump harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK FUEL TANK TEMPERATURE (FTT) SENSOR POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between fuel level sensor unit and fuel pump harness connector and ECM harness

connector.

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

YES

>> Perform the trouble diagnosis for power supply circuit.

NO

>> Repair or replace error-detected parts.

+

−

Voltage

(Approx.)

Fuel level sensor unit and fuel pump

Connector

Terminal

B103

3

Ground

 5 V

+

-

Continuity

Fuel level sensor unit and 

fuel pump

ECM

Connector

Terminal

Connector

Terminal

B103

3

E16

125

Existed