F 350 4WD Super Duty V8-5.4L (2009)
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Is the voltage greater than 10 volts?
Yes
GO to W3.
No
VERIFY the Smart Junction Box (SJB) fuse 20 (15A) is OK. If OK, REPAIR the circuit. REPEAT the network test with the scan tool.
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W3 CHECK THE DLC GROUND CIRCUITS FOR AN OPEN
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Measure the resistance between the DLC C251-4, circuit GD115 (BK/GY), 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. REPEAT the network test with the scan tool.
No
REPAIR the circuit in question. REPEAT the network test with the scan tool.
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