Final Electrical blog posts. (lighting)

E1. Diagnose (troubleshoot) the causes of brighter-than-normal, intermittent, dim, or no light                                                  operation; determine needed action.

I accomplished this task by reading the electrical book's portion on lighting system diagnosis. I learned abut various circuit faults that could cause problems in the normal operation of automotive lighting systems. I also did a ton of ARGO modules about lighting and lighting diagnosis and inspection. 

E2. Inspect interior and exterior lamps and sockets including headlights and auxiliary lights (fog                                       lights/driving lights); replace as needed.  P-1    

I accomplished this task by checking out the headlamps on the subaru legacy in the shop. I also checked out the rear turn signal bulb and made note of it's trade number and looked up the specification.  I did a walkthrough and made sutre that all the exterior lights worked. I made sure that the sockets where clean and free of debris or corrosion. I made sure that the interior lights also operated to the proper level. 
E3. Aim headlights.  P-2

I accomplished this task by watching Jerry demonstrate how to use the headlight aimer, and by completing a ARGO module on how to aim headlights. Then I did some hands on work on the subaru Legacy Brighton in the shop. I used the machine to aim the headlights according to the specifications. 
E4. Identify system voltage and safety precautions associated with high-intensity discharge                                 headlights.  P-2

I accomplished this task by completing the HID headlight part of the task sheet that was handed out to us a while back. I did it on the Cadillac option. I learned about the massively high voltage it takes to start the headlamp, and that that high voltage settles down to a lower voltage once it warms up. 
G4. Diagnose operation of safety systems and related circuits (such as:  horn, airbags, seat belt                          pretensioners, occupancy classification, wipers, washers, speed control/collision avoidance, heads-up display, park assist, and back-up camera); determine needed repairs.  P-1

I accomplished this task because I completed the whole airbag lab that was handed out to us a long time ago. I also did a good deal of book reading in the Electrical book about air bags, pretensioners, and various other supplemental restraint system components. I also completed the airbag ARGO which furthered my knowledge on the subject.