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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 218 (Engine Controls - Pinpoint Tests - 6.0L (99P F450/550) Diesel) >> Pinpoint Test I: Parking Brake Applied (PBA) Switch >> Introduction >> Signal Function

Signal Function

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The PBA switch provides an input signal to the powertrain control module (PCM) indicating the current status of the parking brake (applied or released). The parking brake signal circuit is pulled to ground with the application of the parking brake.

Fig 1: Parking Brake Applied (PBA) Switch Connector
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Fig 2: Powertrain Control Module (PCM) Connectors
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