Explorer Sport Trac 2WD V6-4.0L (2009)
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Ignition OFF.
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Disconnect: Negative Battery Cable.
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Measure the resistance between the OCSM C3159-14, circuit GD145 (BK/BU), harness side and ground.
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Is the resistance less than 5 ohms?
Yes
GO to F3.
No
REPAIR the circuit. CONNECT the negative battery cable. REACTIVATE the SRS. REFER to Air Bag Systems. CLEAR the DTCs. REPEAT the
network test with the scan tool.
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F3 CHECK THE HS-CAN CIRCUITS BETWEEN THE OCSM AND THE DLC FOR AN OPEN
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Measure the resistance between the OCSM C3159-18, circuit VDB04 (WH/BU), harness side and the DLC C251-6, circuit VDB04 (WH/BU),
harness side.
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Measure the resistance between the OCSM C3159-9, 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 F4.
No
REPAIR the circuit. REACTIVATE the SRS. REFER to Air Bag Systems. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the
network test with the scan tool.
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F4 CHECK FOR CORRECT OCSM OPERATION
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Disconnect the OCSM connector.
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Check for: