Normal Operation
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
When the ignition switch is placed in RUN, fused ignition voltage is sent to the:
- Smart Junction Box (SJB).
- Battery Junction Box (BJB).
- PCM.
This pinpoint test is intended to diagnose the following:
- Fuse(s)
- Wiring, terminals or connectors
- Ignition switch
- SJB
- PCM