Ford Focus Service Manual: Engine Control

Internal Combustion Powertrain Control

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Electronic Engine Controls

The electronic engine controls consist of the following: PCM Cylinder Head Temperature (CHT) sensor Camshaft Position (CMP) sensor Crankshaft Position (CKP) sensor Power Steering Pres ...

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Ford Focus Data and Communication Network
NOTE: The Smart Junction Box (SJB) is also known as the Generic Electronic Module (GEM) . Multiplexing is a method of sending 2 or more signals simultaneously over a single circuit. Multiplexing is used to allow 2 or more electronic modules (nodes) to communicate simultaneously over a twiste ...