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 P1574 is displayed with DTC UXXXX, P0500, P0605 or P0607, first perform the confirmation procedure (trouble diagnosis) for DTC UXXXX, P0500, P0605 or P0607.

Is DTC UXXXX, P0500, P0605 or P0607 detected?

YES

Perform diagnosis of applicable.
- DTC UXXXX: Refer to DTC Index .
- DTC P0500: Refer to DTC Description .
- DTC P0605: Refer to DTC Description .
- DTC P0607: 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.
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
1. Start engine (VDC switch OFF).
2. Drive the vehicle at more than 40 km/h (25 MPH).
  CAUTION: Always drive vehicle at a safe speed.
  
  NOTE: This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle.
3. Check DTC.
Is DTC P1574 detected?

YES

Proceed to Diagnosis Procedure .

NO

To check malfunction symptom before repair: Refer to Intermittent Incident .

NO

Confirmation after repair: INSPECTION END