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.
- CHECK DTC PRIORITY
If DTC P0222 or P0223 is displayed with DTC P0643, first perform the confirmation procedure (trouble diagnosis) for DTC P0643.
Is DTC P0643 detected?
YES
Perform diagnosis for P0643. Refer to DTC Description .
NO
GO TO 2.
- 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 more than 10 V at idle.
GO TO 3.
- PERFORM DTC CONFIRMATION PROCEDURE
- Start engine and let it idle for 1 second.
- Check DTC.
Is DTC P0222 or P0233 detected?
YES
Proceed to Diagnosis Procedure .
NO
To check malfunction symptom before repair: Refer to Intermittent Incident .
NO
Confirmation after repair: INSPECTION END