Week 3 "test boards complete and testing a sensor"

During this last week of class we finished up the last of our relay test boards and were each given a sensor out of a box and asked to find out what kind of sensor it was and test it if possible.This was the sensor I was given. As soon as I was given this sensor I was pretty sure I new what it was. I thought it was a wheel speed sensor and it was.

After looking up the number on the sensor I learned that it was on fact a wheel speed sensor. This is a Wabco S+ sensor for a Benz Truck specifically a wheel speed sensor for the ABS system.








The next thing was to figure out how to test this sensor. I really had no clue where to start, so I got on you tube and was able to find out how to test wheel speed sensors either on the vehicle or off. Below is the a link to the video that helped me understand what I was doing.
 .https://www.youtube.com/watch?feature=player_detailpage&v=7eCJa7JZzfg

Here is is a picture of me testing the sensor for resistance, now as far as I could tell from my testing, the sensor I was given was open some where. It was a bad sensor. I was unable to find what the resistance that this particular sensor should have measured at, but it didn't matter because the meter read nothing. It was a cool assignment though I can now say I know how to test wheel speed sensors, something I could not have said the week before.

Another one of our assignments was to color in the schematic on the left. This would be the schematic we would use to help instruct some our newer class mates on wiring up light boards for what would be our final. Me and my group spent a good hour and a half talking and discussing the right way to color in the diagram. After some time and a little help from another one of our peers we were confident that we had the schematic colored in right and would be ready for the light board.


I think the thing I can reflect the most on this last week was how important the ability to discuss and work as a team can be. We sometimes tend to ignore others input due to our own confidence. This can be a great downfall if you are wrong in what you think. For me it was the simple mistaking a relay for a switch while coloring our wiring diagrams, I was so confident that I had it right and my group had it wrong that I had to go verify with another group and guess what I was the one who was wrong. This is where if I would have just put my ego aside I would have understood what my group was saying and not have been the jackass.

Week 3
Hours 18
Quarter Hours 52