Fusion FWD L4-2.5L Hybrid (2010)
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Are the voltages greater than 10 volts?
Yes
GO to G2.
No
For 3.5L gasoline, VERIFY the Battery Junction Box (BJB) fuse 16 (15A) or Smart Junction Box (SJB) fuse 44 (10A) is OK. For 2.5L hybrid,
VERIFY the BJB fuse 23 (10A) or fuse 39 (10A) is OK. If OK, REPAIR the circuit in question. If not OK, REFER to the Wiring Diagrams to identify
the possible causes of the circuit short See: Diagrams/Electrical Diagrams/Diagrams By Number. CLEAR the DTCs. REPEAT the network test with the
scan tool.
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G2 CHECK THE TCM GROUND CIRCUITS FOR AN OPEN
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Ignition OFF.
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Disconnect: Negative Battery Cable .
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For 3.5L gasoline, measure the resistance between the TCM C1533-9, circuit GD120 (BK/GN), harness side and ground.
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For 2.5L hybrid measure the resistance between the TCM C1458a-2, circuit GD121 (BK/YE), harness side and ground; and between the TCM
C1458a-8, circuit GD121 (BK/YE), harness side and ground.
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Are the resistances less than 5 ohms?
Yes
For 3.5L engine, GO to G3.
