Flex FWD V6-3.5L (2010)
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Are the resistances less than 5 ohms?
Yes
CONNECT the negative battery cable. GO to I4.
No
REPAIR the circuit in question. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
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I4 CHECK FOR CORRECT PAM OPERATION
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Disconnect the PAM 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 PAM 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 PAM. REFER to Collision Avoidance and Parking Assist Systems. 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 J: The HVAC Module Does Not Respond To The Scan Tool
Communications Network
Pinpoint Tests
Pinpoint Test J: The HVAC Module 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 54, Manual Climate Control System for schematic and connector information. See: Diagrams/Electrical
Diagrams/Diagrams By Number
Refer to Wiring Diagram Set 55, Automatic Climate Control System for schematic and connector information. See: Diagrams/Electrical
Diagrams/Diagrams By Number
Normal Operation
The HVAC module communicates with the scan tool through the Medium Speed Controller Area Network (MS-CAN).
