DTC Confirmation Procedure

WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC PRIORITY
If DTC P0193 is displayed with DTC P0088 or P0090, first perform the confirmation procedure (trouble diagnosis) for DTC P0088 or P0090.

Is DTC P0088 or P0090 detected?

YES

Perform diagnosis of applicable.
- DTC P0088: Refer to DTC Description .
- DTC P0090: 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.
TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine ON and wait at least 60 seconds.
2. Check DTC or 1st trip DTC.
Is DTC P0190, P0192 or P0193 detected?

YES

Proceed to Diagnosis Procedure .

NO

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

NO

Confirmation after repair: INSPECTION END