ATC Tester J-23678: Notes
This tester is a new unit designed for use on the new 1971 systems. It can be used to check the operation of the system on the car and will isolate the malfunction in one of the system components as follows: Control Panel, Sensor String, Vacuum System, or Programmer. After this preliminary test, the actual malfunction can be determined quickly. The tester can also be used to test the Programmer on the bench before replacing the programmer components.