DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

DTC	Trouble diagnosis name	DTC detecting condition	Possible causes
C1A16	RADAR STAIN	Inclusion of dirt or stains on the ICC sensor area of the front bumper	Stain or foreign materials is deposited Cracks or scratches exist

NOTE:

DTC "C1A16" may be detected under the following conditions. (Explain to the customer about the difference between the contamination detection function and the indication when the malfunction is detected and tell them "This is not malfunction".)

When contamination or foreign materials contact the ICC sensor area of the front bumper.
When driving while it is snowing or when frost forms on the ICC sensor area of the front bumper.
When ICC sensor area of the front bumper is temporarily fogged.