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Home >> Lincoln >> 2003 >> Aviator AWD V8-4.6L DOHC VIN H >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Testing and Inspection >> Pinpoint Tests >> Pinpoint Tests - External Controls >> Test I: The Trans. Control Switch Is Not Operating Properly
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Test I: The Trans. Control Switch Is Not Operating Properly



Pinpoint Test I: Transmission Control Switch (TCS) Is Not Operating Correctly

Normal Operation

When the TCS switch is depressed, the transmission will either disengage or engage the overdrive function.

Possible Causes

When the TCS switch is depressed and the transmission will not disengage or engage the overdrive function, the possible causes are:

^ Blown fuse
^ Short to ground
^ Short to open
^ Faulty switch
^ Wiring, terminaTs or connectors




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