Explorer Sport Trac 2WD V6-4.0L (2009)
No
REPAIR the circuit. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
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H4 CHECK THE MEDIUM SPEED CAN CIRCUITS BETWEEN THE SJB AND THE DLC FOR AN OPEN
-
Disconnect: SJB C2280d.
-
Measure the resistance between the SJB C2280d-16, circuit VDB06 (GY/OG), harness side and the DLC C251-3, circuit VDB06 (GY/OG),
harness side.
-
Measure the resistance between the SJB C2280d-15, circuit VDB07 (VT/OG), harness side and the DLC C251-11, circuit VDB07 (VT/OG),
harness side.
-
Are the resistances less than 5 ohms?
Yes
CONNECT the negative battery cable. GO to H5.
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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H5 CHECK FOR CORRECT SJB OPERATION
-
Disconnect all the SJB connectors.
-
Check for:
-
corrosion
-
damaged pins
-
pushed-out pins
-
Connect all the SJB connectors and make sure they seat correctly.
-
Operate the system and verify the concern is still present.
-
Is the concern still present?
Yes
INSTALL a new SJB. 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 I: The HVAC Module Does Not Respond To The Scan Tool
