Fusion FWD V6-3.5L (2010)
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
Normal Operation
The Medium Speed Controller Area Network (MS-CAN) uses an unshielded twisted pair cable, circuits VDB06 (GY/OG) and VDB07 (VT/OG).
This pinpoint test is intended to diagnose the following:
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Wiring, terminals or connectors
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Accessory Protocol Interface Module (APIM) (if equipped)
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Audio Control Module (ACM)
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Audio Digital Signal Processing (DSP) module (if equipped)
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Driver Door Module (DDM) (if equipped)
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Driver Seat Module (DSM) (if equipped)
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Dual Climate Controlled Seat Module (DCSM) (if equipped)
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Front Controls Interface Module (FCIM)
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Front Display Interface Module (FDIM)
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Global Positioning System Module (GPSM) (if equipped)
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HVAC module (if equipped)
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Interior Lighting Control Module (ILCM) (if equipped)
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Instrument Panel Cluster (IPC) (gateway module)
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Parking Aid Module (PAM) (if equipped)
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Smart Junction Box (SJB)
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Side Obstacle Detection Control Module - Left (SOD-L) (if equipped)
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Side Obstacle Detection Control Module - Right (SOD-R) (if equipped)
PINPOINT TEST AC: NO MS-CAN COMMUNICATION, ALL MODULES ARE NOT RESPONDING
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the
connector.
NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the pinpoint
test. See: Initial Inspection and Diagnostic Overview/Communications Network/Inspection and Verification
NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.
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AC35 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE AUDIO DSP MODULE
DISCONNECTED
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Disconnect: Audio DSP Module C4235a .
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Measure the resistance between the DLC C251-3, circuit VDB06 (GY/OG), harness side and ground; and between the DLC C251-11, circuit
VDB07 (VT/OG), harness side and ground.
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Are the resistances greater than 1,000 ohms?
Yes
CONNECT the negative battery cable. GO to AC56.
No
GO to AC37.