Symptom Checks

Check the following items:

• On Mustang, see TEST X , step 98)  under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V (GASOLINE) article.
• On all other models, see appropriate MANUAL or AUTOMATIC A/C-HEATER SYSTEMS article in AIR CONDITIONING & HEATING for diagnosis and repair.
• If directed here from an air conditioning diagnostics article with Parameter Identification (PID) WACF displaying YES (fault indicated). See DIAGNOSTIC TROUBLE CODE (DTC) REFERENCE CHARTS in SELF-DIAGNOSTICS - EEC-V (GASOLINE) article for diagnosis and repair for Key On Engine Off (KOEO) DTC P1460.