DTC Confirmation Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

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 2.
CHECK ENGINE COOLANT TEMPERATURE SENSOR FUNCTION
With CONSULT
1. Turn ignition switch ON.
2. Select "DATA MONITOR" mode of "ENGINE" using CONSULT.
3. Check that "COOLAN TEMP/S" is above 20 deg.C (68 deg.F).
With GST

Follow the procedure "With CONSULT" above.

Is it above 20 deg.C (68 deg.F)?

YES

INSPECTION END

NO

GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Start engine and run it for 65 minutes at idle speed.
2. Check 1st tip DTC.
If "COOLAN TEMP/S" indication increases to more than 20 deg.C (68 deg.F) within 65 minutes, stop engine because the test result will be OK.

CAUTION: Be careful not to overheat engine.

With GST

Follow the procedure "With CONSULT" above.

Is 1st trip DTC detected?

YES

Proceed to Diagnosis Procedure .

NO

INSPECTION END