Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC PRIORITY
If DTC "C1A14" is displayed with DTC "U1000", first diagnose the DTC "U1000".

Is applicable DTC detected?

YES

Perform diagnosis of applicable DTC. Refer to DTC Logic .

NO

GO TO 2.
CHECK SELF DIAGNOSTIC RESULT
Check if "U1000" is detected other than "C1A14" in "Self Diagnostic Result" mode of "LASER/RADAR".

Is "U1000" detected?

YES

Perform the CAN communication system inspection. Repair or replace the malfunctioning parts. Refer to DTC Logic .

NO

GO TO 3
PERFORM SELF DIAGNOSTIC RESULT OF ECM
CONSULT

Select "Self Diagnostic Result" mode of "ENGINE".

Is any DTC detected?

YES

Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index .

NO

Replace the distance sensor (ICC sensor). Refer to Exploded View .