Pinpoint Test S : The Air Conditioning Operation Is Erratic: Notes
WARNING: This page is about a different car, the 2016 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
Normal Operation
When the A/C system is on, the engine cooling fan operates as commanded ON or OFF by the PCM to cool down the A/C condenser core.
This pinpoint test is intended to diagnose the following:
- Engine cooling fan