Expedition 2WD V8-5.4L (2009)
No
GO to V35.
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V35 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE ACM DISCONNECTED
-
Disconnect: ACM C240b.
-
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 all modules. CONNECT the negative battery cable. GO to V60.
No
GO to V36.
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V36 VERIFY VEHICLE EQUIPMENT - AUDIO DSP MODULE
-
Inspect the vehicle for an audio DSP module.
-
Is the vehicle equipped with an audio DSP module?
Yes
GO to V37.
No
GO to V38.
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V37 CHECK THE MS-CAN (+) AND MS-CAN (-) CIRCUITS FOR A SHORT TO GROUND WITH THE AUDIO DSP MODULE
DISCONNECTED
-
Disconnect: Audio DSP Module C2364c.
-
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 all modules. CONNECT the negative battery cable. GO to V61.
No
GO to V38.
