F 150 4WD V8-4.6L VIN 8 (2010)
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L4 CHECK FOR CORRECT AUDIO DSP MODULE OPERATION
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Disconnect all the audio DSP module connectors.
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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 all the audio DSP module connectors and make sure they seat correctly.
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Operate the system and verify the concern is still present.
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Is the concern still present?
Yes
INSTALL a new audio DSP module. REFER to Accessories and Optional Equipment. CLEAR the DTCs. REPEAT the network test with the scan tool.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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Pinpoint Test M: The Front Controls Interface Module (FCIM) Does Not Respond To The Scan Tool
Communications Network
Pinpoint Tests
Pinpoint Test M: The Front Controls Interface Module (FCIM) Does Not Respond To The Scan Tool
Refer to Wiring Diagram Set 14, Module Communications Network for schematic and connector information. See: Diagrams/Electrical
Diagrams/Diagrams By Number
Refer to Wiring Diagram Set 130, Audio System/Navigation for schematic and connector information. See: Diagrams/Electrical Diagrams/Diagrams By
Number
Normal Operation
The Front Controls Interface Module (FCIM) communicates with the scan tool through the Medium Speed Controller Area Network (MS-CAN).
This pinpoint test is intended to diagnose the following:
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Fuse
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Wiring, terminals or connectors
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FCIM
PINPOINT TEST M: THE FCIM DOES NOT RESPOND TO THE SCAN TOOL
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the
connector.
NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.
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M1 CHECK THE FCIM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
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Ignition OFF.
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Disconnect: FCIM C2402.
