Expedition 2WD V8-5.4L (2009)
-
Disconnect: DCSM C3265a.
-
Ignition ON.
-
Measure the voltage between the DCSM, harness side and ground as follows:
-
Are the voltages greater than 10 volts?
Yes
GO to Q4.
No
VERIFY the Battery Junction Box (BJB) fuse 67 (40A) is OK. If OK, REPAIR the circuit in question. If not OK, REFER to the Wiring Diagrams to
identify the possible causes of the circuit short. CLEAR the DTCs. REPEAT the network test with the scan tool.
-------------------------------------------------
Q3 CHECK THE DCSM VOLTAGE SUPPLY CIRCUITS FOR AN OPEN
-
Ignition OFF.
-
Disconnect: DCSM C3265a.
-
Ignition ON.
-
Measure the voltage between the DCSM, harness side and ground as follows:
-
Are the voltages greater than 10 volts?
Yes
GO to Q4.
No
VERIFY the Battery Junction Box (BJB) fuse 67 (40A) is OK. If OK, REPAIR the circuit in question. If not OK, REFER to the Wiring Diagrams to
identify the possible causes of the circuit short. CLEAR the DTCs. REPEAT the network test with the scan tool.
-------------------------------------------------
Q4 CHECK THE DCSM GROUND CIRCUIT FOR AN OPEN
-
Ignition OFF.
