Fusion FWD V6-3.0L (2009)
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Disconnect: Negative Battery Cable.
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Measure the resistance between the APIM C3338-37, circuit GD148 (BK/YE), harness side and ground; and between the APIM C3338-38, circuit
GD148 (BK/YE), harness side and ground.
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Are the resistances less than 5 ohms?
Yes
GO to Q3.
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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Q3 CHECK THE HS-CAN CIRCUITS BETWEEN THE APIM AND THE DLC FOR AN OPEN
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Measure the resistance between the APIM C3338-53, circuit VDB04 (WH/BU), harness side and the Data Link Connector (DLC) C251-6, circuit
VDB04 (WH/BU), harness side.
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Measure the resistance between the APIM C3338-54, 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
GO to Q4.
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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Q4 CHECK THE MS-CAN CIRCUITS BETWEEN THE APIM AND THE DLC FOR AN OPEN
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Measure the resistance between the APIM C3338-16, circuit VDB06 (GY/OG), harness side and the DLC C251-3, circuit VDB06 (GY/OG),
harness side.
