Mustang V8-4.6L (2009)
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Is the resistance less than 5 ohms?
Yes
GO to F3.
No
REPAIR the circuit. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
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F3 CHECK THE MS-CAN CIRCUITS BETWEEN THE SDARS MODULE AND THE DLC FOR AN OPEN
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Measure the resistance between the SDARS module C4344-1, circuit 1847 (WH/OG), harness side and the Data Link Connector (DLC) C251-3,
circuit 1847 (WH/OG), harness side.
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Measure the resistance between the SDARS module C4344-7, circuit 1848 (PK/OG), harness side and the DLC C251-11, circuit 1848 (PK/OG),
harness side.
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Are the resistances less than 5 ohms?
Yes
CONNECT the negative battery cable. GO to F4.
No
REPAIR the circuit. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
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F4 CHECK FOR CORRECT SDARS MODULE OPERATION
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Disconnect the SDARS module connector.
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Check for:
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corrosion
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damaged pins
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pushed-out pins
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Connect the SDARS module connector and make sure it seats correctly.
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Operate the system and verify the concern is still present.
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Is the concern still present?