Pinpoint Test AE: Air Conditioning: Description

Perform this test when directed here by QUICK TEST. This pinpoint test is intended to diagnose:

• A/C clutch.
• Wiring harness circuits for A/C.
• Powertrain Control Module (PCM).

Fig 1: Identifying A/C Pressure Switch Circuit (Econoline)

Courtesy of FORD MOTOR CO.

Fig 2: Identifying A/C Pressure Switch Circuit (Pickup)

Courtesy of FORD MOTOR CO.