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 P23EB is displayed with the following DTC, first perform the confirmation procedure (trouble diagnosis) for the applicable DTC.
- P0021
- P0345
- P1145
- P34A8
- P34A9
- P34AA
- P34AB
- P34B0
- P34B1
Is DTC P0021, P0345, P1145, P34A8, P34A9, P34AA, P34AB, P34B0 or P34B1 detected?

YES

Perform diagnosis of applicable.
- DTC P0021: Refer to DTC Description .
- DTC P0345: Refer to DTC Description .
- DTC P1145: Refer to DTC Description .
- DTC P34A8: Refer to DTC Description .
- DTC P34A9: Refer to DTC Description .
- DTC P34AA: Refer to DTC Description .
- DTC P34AB: Refer to DTC Description .
- DTC P34B0: Refer to DTC Description .
- DTC P34B1: 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 more than 11 V when ignition switch ON.

GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine and wait at least 5 seconds.
2. Check DTC.
Is DTC P23EB detected?

YES

Proceed to Diagnosis Procedure .

NO

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

NO

Confirmation after repair: INSPECTION END