Expedition 2WD V8-5.4L (2009)
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Ignition OFF.
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Disconnect: Negative Battery Cable.
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Measure the resistance between the DLC C251-4, circuit GD138 (BK/WH), harness side and ground; and between the DLC C251-5, circuit
GD113 (BK/YE), harness side and ground.
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Are the resistances less than 5 ohms?
Yes
REPAIR the scan tool. CONNECT the negative battery cable. REPEAT the network test with the scan tool.
No
REPAIR the circuit in question. CONNECT the negative battery cable. REPEAT the network test with the scan tool.
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