Fusion FWD L4-2.5L Hybrid (2010)
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Ignition OFF.
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Disconnect: Negative Battery Cable .
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Measure the resistance between the BECM C4237a-49, circuit GD126 (BK/WH), harness side and ground; and between the BECM C4237a-50,
circuit GD126 (BK/WH), harness side and ground
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Are the resistances less than 5 ohms?
Yes
GO to J3.
No
REPAIR the circuit in question. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
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J3 CHECK THE HS-CAN CIRCUITS BETWEEN THE BECM AND THE DLC FOR AN OPEN
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Measure the resistance between the BECM C4237a-22, circuit VDB04 (WH/BU), harness side and the DLC C251-6, circuit VDB04 (WH/BU),
harness side.
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Measure the resistance between the BECM C4237a-11, circuit VDB05 (WH), harness side and the DLC C251-14, circuit VDB05 (WH), harness
side.
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Are the resistances less than 5 ohms?
Yes
CONNECT the negative battery cable. GO to J4.