Operation CHARM
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Ford
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2008
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Expedition 4WD V8-5.4L
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Testing and Inspection
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Pinpoint Tests
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External Controls - Column Shift
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Pinpoint Test Diagrams
Pinpoint Test Diagrams
Pinpoint Tests
Refer to Vehicle/Diagrams, Transmission Controls for schematic and connector information.
Refer to Vehicle/Diagrams, Shift Interlock for schematic and connector information.
Brake Shift Interlock Actuator (BSIA):
Transmission Control (TC) Switch: