Title: Inspect and test crankshaft and camshaft position sensor(s); determine needed action.
Course: Automotive Technology III (20104-III) > Section: Engine Performance: Ignition System Diagnosis and Repair

Procedure should include

- following troubleshooting charts
- using a scan tool, DMM, oscilloscope, and/or graphing meter
- adhering to service materials and manufacturer guidelines.

ASE Education Foundation
2017 Automobile Service Technology (AST) Level
VIII. Engine Performance
C. Ignition System Diagnosis and Repair
Task 2

Process/Skill Questions:

- What is a crankshaft sensor relearn procedure?
- Why is air gap important?
- What are the types of signals produced by cam and crank sensors?