Inspection and Verification (Start Testing Here)
NOTE: It is imperative that this procedure be performed first. Failure to do so may result in incorrect diagnosis of problem, wasted time, and improper replacement of good components.
If not using a Rotunda Fluke(r) Frequency Meter, 105-00053, higher wheel speed may be required in order for the frequency meter to function correctly.
The System Pre-Check is used to screen a vehicle for relatively simple diagnostic repairs such as loose connectors, blown fuses, etc. However, the System Pre-Check is also used to prepare the vehicle for further diagnostics. In addition, warning lamp faults are dealt with in this test.