Explorer Sport Trac 2WD V6-4.0L (2009)
R1 CHECK THE DLC PINS FOR DAMAGE
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Ignition OFF.
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Disconnect the scan tool cable from the DLC.
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Inspect DLC pins 3 and 11 for damage.
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Are DLC pins 3 and 11 OK?
Yes
GO to R2.
No
REPAIR the DLC as necessary. CLEAR the DTCs. REPEAT the network test with the scan tool.
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R2 CHECK THE MS-CAN TERMINATION RESISTANCE
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Disconnect: Negative Battery Cable.
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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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Is the resistance between 54 and 66 ohms?
Yes
GO to R3.
No
CONNECT the negative battery cable. Go To Pinpoint Test P. See: Pinpoint Test P: The Accessory Protocol Interface Module (APIM) Does Not
Respond To The Scan Tool
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R3 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND
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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 R4.
No
