Understanding The Rear View System

A key part of being able to diagnose a problem with advanced driver assistance systems (ADAS) is understanding how the system works. Knowing what is happening inside the system will help you properly diagnose why the system may be failing. This will prevent replacing parts that are not causing the system issue. Let’s take a look at the inner workings of the rear view system.

Rear view allows the operator of the vehicle to see what is behind the vehicle while in reverse. This is possible because of the backup camera on either the deck lid, liftgate, or tailgate. The camera turns on when the vehicle is put into reverse, then the camera sends the live footage of what it is seeing to the driver. The driver can view this live footage by a screen which is typically located on the dash or on the rearview mirror.

There may be audible alarms while the vehicle is in reverse to let the driver know when they are getting too close to another vehicle or object. The alarm system typically functions with the input from park assist sensors or backup sensors located in or behind the rear bumper cover.

Understanding how the system functions can shorten diagnostic times. Knowing what part of the system to test will help prevent installing parts that don’t actually fix the problem.

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