DTC Confirmation Procedure

INSPECTION START
Is it necessary to erase permanent DTC?

YES

GO TO 7.

NO

GO TO 2.
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.
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A-I
1. Turn ignition switch ON and wait at least 10 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?

YES

Proceed to DTC Diagnosis Procedure .

NO

GO TO 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

Follow the procedure "With CONSULT" above.

"COOLAN TEMP/S" less than 60°C (140°F)?

YES

INSPECTION END

NO

GO TO 5.
PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A-II
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 DTC Diagnosis Procedure .

NO

GO TO 6.

PERFORM COMPONENT FUNCTION CHECK (FOR MALFUNCTION B)

NOTE: Use the component function check to check the overall function of the FTT sensor circuit. During this check, a 1st trip DTC might not be confirmed.

Turn ignition switch OFF.
Disconnect fuel level sensor unit and fuel pump harness connector.
Remove fuel level sensor unit. Refer to Removal and Installation .

Check resistance between fuel level sensor unit and fuel pump terminals by heating with hot water as shown in the figure.

Courtesy of NISSAN NORTH AMERICA, INC.

Fuel level sensor unit and fuel pump		Condition		Resistance (kΩ)
Terminal
1	3	Temperature [°C (°F)]	20 (68)	2.3 - 2.7
			50 (122)	0.79 - 0.90

Is the inspection result normal?

YES

Check intermittent incident. Refer to Inspection .

Proceed to DTC Diagnosis Procedure .

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.
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.
PERFORM DTC CONFIRMATION PROCEDURE B
1. Start engine and let it idle for 60 minutes.
2. 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).
3. Turn ignition switch OFF and soak the vehicle for 12 hours.
  CAUTION: Never turn ignition switch ON during soaking.
  
  NOTE: The vehicle must be cooled with the hood open.
4. Start engine and let it idle for 5 minutes or more.
  CAUTION: Never turn ignition switch OFF during idling.
5. Check 1st trip DTC.
Is 1st trip DTC detected?

YES

Proceed to DTC Diagnosis Procedure .

NO

To check malfunction symptom before repair: Refer to Inspection .

NO

Confirmation after repair: INSPECTION END