Fusion FWD L4-2.5L Hybrid (2010)
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P4 CHECK FOR CORRECT GPSM OPERATION
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Disconnect the GPSM 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 GPSM 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?
Yes
INSTALL a new GPSM. 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. CLEAR the DTCs. REPEAT the
network test with the scan tool.
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Pinpoint Test Q: The Interior Lighting Control Module (ILCM) Does Not Respond To The Scan Tool
Communications Network
Pinpoint Tests
Pinpoint Test Q: The Interior Lighting Control Module (ILCM) Does Not Respond To The Scan Tool
Refer to Wiring Diagram Set 14 (Fusion/Milan/MKZ, Fusion Hybrid/Milan Hybrid), Module Communications Network for schematic and connector
information. See: Diagrams/Electrical Diagrams/Diagrams By Number
Refer to Wiring Diagram Set 89 (Fusion/Milan/MKZ, Fusion Hybrid/Milan Hybrid), Interior Lamps for schematic and connector information. See:
Diagrams/Electrical Diagrams/Diagrams By Number
Normal Operation
The Interior Lighting Control Module (ILCM) 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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ILCM
PINPOINT TEST Q: THE ILCM 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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Q1 CHECK THE ILCM VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
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Ignition OFF.