Diagnosis 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 "C1A24" is displayed with DTC "U1000", first diagnose the DTC "U1000".

Is applicable DTC detected?

YES

Perform diagnosis of applicable. Refer to DTC Logic .

NO

GO TO 2.
CHECK TCM DATA MONITOR
Check that "SLCT LVR POSI" operates normally in "DATA MONITOR" of "TRANSMISSION".

Is the inspection result normal?

YES

GO TO 3.

NO

Perform diagnosis for transmission range switch circuit and repair or replace the malfunctioning parts. Refer to Diagnosis Procedure (RE0F10J).
PERFORM TCM SELF-DIAGNOSIS
1. Perform "All DTC Reading".
2. Check if any DTC is detected in "Self Diagnostic Result" of "TRANSMISSION".
Is any DTC detected?

YES

Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index - Early Production or DTC Index - Late Production (RE0F10J)

NO

Replace the ADAS control unit. Refer to Removal and Installation .