With Scan Tool

Refer to Pinpoint Tests, and perform the Pinpoint Test for each component that could cause the symptom.

- Does each Pinpoint Test check out OK?

YES -- Repeat until all possible components have been checked. If all components have been checked, return to Diagnostic Routines. Testing and Inspection

NO -- Service the fault(s) as indicated in Pinpoint Test and recheck the symptom(s).