Pinpoint Test M: PSCM DTC U3004 Accessory Power Relay: Notes
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
This pinpoint test is intended to diagnose vehicles with steering column mounted EPAS systems only. Do not use this pinpoint test to diagnose vehicles with steering gear mounted EPAS systems.