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Analyze your shop’s floor plan to identify ADAS opportunities, limitations

Monday, April 29, 2019 - 07:00
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Imagine a repair that requires replacing a bumper cover, headlight and a plastic battery tray.  Sounds like a cycle time miracle amid a forest filled with more complex repairs. Knowing a facility’s physical capabilities and limitations allows the proper mindset when approaching even the most seemingly simple repairs. To achieve a safe and proper repair with increased touch time requires proper preparation. The example provided is a real. The vehicle is a 2017 Prius Prime. Approaching this repair with the mindset of simple would yield a repair devoid of OEM procedures and possibly leave some vehicle systems not functioning correctly. Today’s repairs require knowledge about all repair procedures and the implications they have on a shop’s physical layout.

Research must be completed on every repair, regardless of severity. Researching procedures for the repair or replacement of parts will allow the proper mindset going into the repairs. For the Prius, researching each of the replacement parts and the auxiliary battery disconnect procedure yields the following additional labor items that must be completed:

  • Command the active grille shutter into maintenance mode with a scan tool
  • Perform ultrasonic sensor detection angle/registration (intuitive park aid)
  • Millimeter wave radar sensor adjustment
  • Headlight initialization (when ecu module on headlight is replaced)
  • Steering angle sensor memorization
  • Initialize back door lock
  • Open/Close fuel door before turning ignition on after 12v disconnect (fuel gauge accuracy)

Once the research has been completed, three new pieces of knowledge have been acquired: what operations are necessary, what tools are required and how much space is required to perform the repairs. Having the information about how to perform the repair is basic. Knowing before repairs commence what tools are required for initializations and calibrations is the next level. Analyzing a shop’s physical floor plan to identify opportunities and limitations in calibrations is critical to future success and a timely repair. While there are many considerations for ADAS calibrations, there are two primary physical considerations that are the largest constraints in a repair facility.

The first consideration for calibrating ADAS equipment is floor space. Millimeter wave radar and blind spot monitoring systems generally require the most square footage. These systems are very sensitive and can detect at great distances on the open road. The Prius forward facing millimeter wave radar adjustment procedure requires an area in front of the car 19.7 feet long by 16.4 feet wide with no metal objects taller than 1.97 inches off the ground. Add in the length of the Prius and this is a sizable piece of real estate in any facility. Also, depending on the OEM additional stall preparation may need to be performed to remove possible false targets in front of the aiming zone.

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