Ford Concentrate Diagnostics Electronic Engine Manage (OBD-I)Older model-years of the Focus can be placed into a "Self-Test" mode. Towards the rear in the engine, there is a "Self Test Outlet" as well as a "Self Test Input." Warm the engine to its regular operational temperature. Use a short length of jumper wire to connect the STO's grounding slot using the single slot STI. Turn the ignition for the "On" position.
The examine engine light will then flash difficulty codes. These codes can either be looked up on the net, or in Focus-related Haynes or Chlilton handbooks. They may not be in the Focus' manual.Second Generation On-Board Diagnostics (OBD-II)Because of the Environmental Protection Agency's standardization of car diagnostics, the Focus makes use of the exact same generic difficulty codes as other vehicle produced following 1996. The Ford's Powertrain Handle Module monitor's the engine and assigns code to all malfunctions. Accessing the PCM as well as the codes demands connecting a scanner for the Focus' Information Hyperlink Connection (DLC) beneath the driver's side dashboard, near the steering wheel.
Other Diagnostic SystemsThe Ford Focus also uses other diagnostic systems for instance anti-locking brakes ">Auto diagnostic tool, tire pressure monitoring systems, air bags, and other individuals. Lots of of these systems ">Auto tools, like the air bags, do not have dedicated diagnostic hardware widely offered. On the other hand, there are actually diagnostic handhelds for brakes and tires readily available. They connect to their respective diagnostic systems through the Focus' DLC outlet.
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