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 P23E9 is displayed with DTC P0345 or P1145, first perform the confirmation procedure (trouble diagnosis) for DTC P0345 or P1145.

Is DTC P0345 or P1145 detected?

YES

Perform diagnosis of applicable.
- DTC P0335: Refer to DTC Description .
- DTC P1145: 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. Turn ignition switch ON and wait at least 5 seconds.
2. Start the engine and wait at least 5 seconds.
3. Check 1st trip DTC.
Is DTC P23E9 detected?

YES

Proceed to Diagnosis Procedure .

NO

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

NO

Confirmation after repair: INSPECTION END