Explorer 2WD V6-4.0L (2009)
test. See: Initial Inspection and Diagnostic Overview/Communications Network/Inspection And Verification
NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.
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Q28 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE IC DISCONNECTED
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Disconnect: ICC220.
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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 Q45.
No
GO to Q29.
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Q29 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE ACM DISCONNECTED
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Disconnect: ACM C290b.
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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.
-
Are the resistances greater than 1,000 ohms?
Yes
CONNECT the negative battery cable. GO to Q46.
No
GO to Q30.
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Q30 VERIFY VEHICLE EQUIPMENT - HVAC MODULE
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Inspect the vehicle for an HVAC module.
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Is the vehicle equipped with an HVAC module?
Yes
GO to Q31.
No
GO to Q32.
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Q31 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE HVAC MODULE