Explorer Sport Trac 2WD V6-4.0L (2009)
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Measure the resistance between the 4X4 control module C281a-9, circuit VDB05 (WH), harness side and the DLC C251-14, circuit VDB05
(WH), harness side.
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Are the resistances less than 5 ohms?
Yes
CONNECT the negative battery cable. GO to E4.
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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E4 CHECK FOR CORRECT 4X4 CONTROL MODULE OPERATION
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Disconnect all the 4X4 control 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 4X4 control 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 4X4 control module. 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 F: The Occupant Classification System Module (OCSM) Does Not Respond To The
Scan Tool
Communications Network
Pinpoint Tests
Pinpoint Test F: The Occupant Classification System Module (OCSM) 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