Explorer AWD V8-4.6L (2010)
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Is the voltage greater than 10 volts?
Yes
GO to AD6.
No
REPAIR circuit GD138 (BK/WH) for an open. TEST the system for normal operation.
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AD6 CHECK THE TBC MODULE OUTPUT CIRCUIT FOR A SHORT TO GROUND
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Measure the resistance between the TBC module C239-3, circuit CAT19 (BU), harness side and ground.
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Is the resistance greater than 10,000 ohms?
Yes
GO to AD7.
No
REPAIR circuit CAT19 (BU) for a short to ground. TEST the system for normal operation.
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AD7 CHECK THE TBC MODULE OUTPUT CIRCUIT FOR AN OPEN
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Measure the resistance between the TBC module C239-3, circuit CAT19 (BU), harness side and the trailer tow C473-3, circuit CAT19 (BU),
harness side.
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Is the resistance less than 5 ohms?
Yes
