DTC Confirmation Procedure
WARNING: This page is about a different car, the 2020 Infiniti QX60. 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.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.
GO TO 2.
- PERFORM DTC CONFIRMATION PROCEDURE
- Start the engine and warm it up to the normal operating temperature.NOTE: Warm up the engine until "COOLAN TEMP/S" in "Data Monitor" of CONSULT reaches at least 70 deg.C (158 deg.F).
- Turn the ignition switch OFF and cool the engine until the engine coolant temperature reaches 35 deg.C (95 deg.F) or less.CAUTION:
- The difference between air temperature and engine coolant temperature must be 5 deg.C (9 deg.F) or less.
- Do not turn ignition switch ON.
- Turn ignition switch ON and wait at least 60 seconds.
- Check 1st trip DTC.
Is DTC P0191 detected?
YES
Proceed to Diagnosis Procedure .
NO
To check malfunction symptom before repair: Refer to Intermittent Incident .
NO
Confirmation after repair: INSPECTION END
- Start the engine and warm it up to the normal operating temperature.