ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 2954 > < Initial Inspection and Diagnostic Overview|Page 2952
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No

The Controller Area Network (CAN) has tested within specifications. GO to Pinpoint Test W to diagnose the intermittent MS-CAN fault.  See: Pinpoint
Test W: Intermittent No Medium Speed Controller Area Network (MS-CAN) Communication, Communication Can Be Intermittent

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X5 CHECK THE MS-CAN TERMINATION RESISTOR

 

-

Measure the resistance between the DLC C251-3, circuit VDB06 (GY/OG), harness side and the DLC C251-11, circuit VDB07 (VT/OG), harness
side.

-

Is the resistance between 108 and 132 ohms?

Yes

GO to X6.

No

GO to X9.

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X6 CHECK THE MS-CAN TERMINATION RESISTOR WITH THE SJB DISCONNECTED

 

-

Disconnect: SJB C2280b.

-

Measure the resistance between the DLC C251-3, circuit VDB06 (GY/OG), harness side and the DLC C251-11, circuit VDB07 (VT/OG), harness
side.

-

Is the resistance between 108 and 132 ohms?

Yes

GO to X7.

No

GO to X8.

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X7 CHECK THE MS-CAN CIRCUITS BETWEEN THE SJB AND THE DLC FOR AN OPEN

 

-

Measure the resistance between the SJB C2280b-37, circuit VDB06 (GY/OG), harness side and the DLC C251-3, circuit VDB06 (GY/OG),
harness side.

Initial Inspection and Diagnostic Overview|Page 2954 > < Initial Inspection and Diagnostic Overview|Page 2952