F 250 4WD Super Duty V8-5.4L (2009)
-
Is the resistance less than 5 ohms?
Yes
If the vehicle is equipped with a TCM, GO to T18.
If the vehicle is not equipped with a TCM, GO to T19.
No
CONNECT all modules. CONNECT the negative battery cable. GO to T37.
-------------------------------------------------
T18 CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TOGETHER WITH THE TCM DISCONNECTED
-
Disconnect: TCM C1750.
-
Measure the resistance between the DLC C251-6, circuit VDB04 (WH/BU), harness side and the DLC C251-14, circuit VDB05 (WH), harness
side.
-
Is the resistance less than 5 ohms?
Yes
GO to T19.
No
CONNECT all modules. CONNECT the negative battery cable. GO to T38.
-------------------------------------------------
T19 VERIFY VEHICLE OPTION CONTENT - AHCM
-
Verify vehicle option content.
-
Is the vehicle equipped with an AHCM?
Yes
GO to T20.
No
REPAIR the circuits. CONNECT all modules. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
-------------------------------------------------
T20 CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TOGETHER WITH THE AHCM DISCONNECTED
-
Disconnect: AHCM C2463c.
-
Measure the resistance between the DLC C251-6, circuit VDB04 (WH/BU), harness side and the DLC C251-14, circuit VDB05 (WH), harness
side.
-
Is the resistance less than 5 ohms?
Yes
