Testing Notes
INSTRUCTIONS^ If you are here with a Secondary Air Injection (AIR) Diagnostic Trouble Code (DTC) and did not complete pinpoint test KC, please perform diagnostic routines. Testing and Inspection
^ The tests in this section are dependent on the results from pinpoint test KC. If an AIR DTC is still present after completing pinpoint test KC, please continue diagnostics with this section.
^ If more than one component is listed as a possible cause, begin diagnostics with first component.
^ Verify the type of components on the vehicle and how they function.
^ Refer to the vehicle vacuum decal and the system description located at the beginning of this section.
SYMPTOMS
All symptoms go to diagnosis by symptom in this section. Diagnosis By Symptom