Symptom Chart: Side And Rear Vision

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

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to Diagnostic Methods for information regarding Ford-specific diagnostic practices.

Condition	Possible Sources	Actions
The BLIS ® is inoperative/does not operate correctly	Refer to the Pinpoint Test	GO to Pinpoint Test A .
The BLIS ® has poor performance	Refer to the Pinpoint Test	GO to Pinpoint Test A .
The BLIS ® has no message center warning message and the exterior mirror BLIS ® /CTA LED does not illuminate	Refer to the Pinpoint Test	GO to Pinpoint Test A .
The CTA system is inoperative/does not operate correctly	Refer to the Pinpoint Test	GO to Pinpoint Test B .
The CTA system has poor performance	Refer to the Pinpoint Test	GO to Pinpoint Test B .
The CTA system has no message center warning message and the exterior mirror BLIS ® /CTA LED is not illuminated	Refer to the Pinpoint Test	GO to Pinpoint Test B .
An exterior mirror BLIS ® /CTA LED does not illuminate when the tone sounds for the CTA system	Refer to the Pinpoint Test	GO to Pinpoint Test B .
An exterior mirror BLIS ® /CTA LED is continuously on and no IPC message is present	Refer to the Pinpoint Test	GO to Pinpoint Test I .
An exterior mirror BLIS ® /CTA LED is continuously on and an IPC message is present	Refer to the Pinpoint Test	GO to Pinpoint Test C .
The SOD-L does not respond to the scan tool	Wiring, terminals and connectors SOD-L	REFER to Module Communications Network .
The SOD-R does not respond to the scan tool or cannot be configured	Refer to the Pinpoint Test	GO to Pinpoint Test E .
The message center displays a blocked sensor message	Refer to the Pinpoint Test	GO to Pinpoint Test F .
The BLIS ® or the CTA system cannot be turned off in the message center	Refer to the Pinpoint Test	GO to Pinpoint Test G .