Ford Focus Service Manual: Horn

Body Electrical

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Horn - Description and Operation

NOTE: The Smart Junction Box (SJB) is also known as the Generic Electronic Module (GEM) . The horn system consists of the following components: Horn switch Horn relay (part of the SJB ) ...

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Ford Focus Knock Sensor (KS)
  Item Part Number Description 1 W500025 Knock Sensor (KS) bolt 2 12A699 KS Removal and Installation Remove the intake manifold. For additional information, refer to Section  303-01. NOTE: The Knock Sensor (KS) must ...