Normal Operation
WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
The ignition switch START circuit provides fused battery voltage along circuits CDC35 (BU/WH) and CDC34 (WH/OG) to the smart junction box (SJB) when the key is in the START position.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Ignition switch
- SJB