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Home >> Ford >> 2003 >> Explorer AWD V8-4.6L VIN W >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Testing and Inspection >> Pinpoint Tests >> Test I: Transmission Control Switch (TCS) Is Not Operating Correctly
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Test I: Transmission Control Switch (TCS) Is Not Operating Correctly

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.

Test I1 - I3:




Test I4 - I5:





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, terminals or connectors

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