Confirmation Procedure

CHECK DTC PRIORITY
If DTC P0116 is displayed with DTC P0117, or P0118, first perform the confirmation procedure for DTC P0117, or P0118.

Is applicable DTC detected?

YES>>

Perform diagnosis of applicable.
- DTC P0117: Refer to Confirmation Procedure .
- DTC P0118: Refer to Confirmation Procedure .
NO>>

GO TO 2.
INSPECTION START
Is it necessary to erase permanent DTC?

YES>>

GO TO 4.

NO>>

GO TO 3.

PERFORM COMPONENT FUNCTION CHECK

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

Turn ignition switch OFF.
Disconnect ECT sensor 1 harness connector.
Remove ECT sensor 1. Refer to MULTI-WAY CONTROL VALVE : Exploded View .

Check resistance between ECT sensor 1 terminals by heating with hot water as shown in the illustration.

Courtesy of NISSAN NORTH AMERICA, INC.

Terminals	Condition		Resistance (kΩ)
1 and 2	Temperature [°C (°F)]	20 (68)	2.10 - 2.90
		50 (122)	0.68 - 1.00
		90 (194)	0.236 - 0.260

Is the inspection result normal?

YES-1>>

To check malfunction symptom before repair: Refer to Inspection .

YES-2>>

Confirmation after repair: INSPECTION END

NO>>

Refer 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.
TEST 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 5.
PERFORM DTC CONFIRMATION PROCEDURE
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 20 minutes or more.
  CAUTION:
  Never turn ignition switch OFF during idling.
4. Check 1st trip DTC.
Is 1st trip DTC detected?

YES>>

Refer to DTC Diagnosis Procedure .

NO-1>>

To check malfunction symptom before repair: Refer to Inspection .

NO-2>>

Confirmation after repair: INSPECTION END