Fusion FWD V6-3.0L (2009)
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Measure the resistance between the DLC C251-3, circuit VDB06 (GY/OG), harness side and the DLC C251-11, circuit VDB07 (VT/OG), harness
side.
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Are the resistances greater than 1,000 ohms?
Yes
CONNECT the negative battery cable. GO to R49.
No
GO to R31.
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R31-R57
Communications Network
Pinpoint Tests
Pinpoint Test R: No Medium Speed Controller Area Network (MS-CAN) Communication, All Modules Are Not Responding
Refer to Wiring Diagram Set 14, 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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Smart Junction Box (SJB)
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Instrument Cluster (IC)
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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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HVAC module (if equipped)
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Parking Aid Module (PAM) (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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Satellite Digital Audio Receiver System (SDARS) module (if equipped)
PINPOINT TEST R: 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: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.
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R31 VERIFY VEHICLE EQUIPMENT - AUDIO DSP MODULE
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Inspect the vehicle for an audio Digital Signal Processing (DSP) module.
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Is the vehicle equipped with an audio DSP module?
