ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 2756 > < Initial Inspection and Diagnostic Overview|Page 2754
Page 48
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S5 CHECK THE HS-CAN TERMINATION RESISTOR

-

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 between 108 and 132 ohms?

Yes

GO to S6.

No

GO to S9.

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S6 CHECK THE HS-CAN TERMINATION RESISTOR WITH THE PCM DISCONNECTED

-

Disconnect: PCM C175b.

-

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 between 108 and 132 ohms?

Yes

GO to S7.

No

GO to S8.

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S7 CHECK THE HS-CAN CIRCUITS BETWEEN THE PCM AND THE DLC FOR AN OPEN

-

Measure the resistance between the PCM C175b-2, circuit VDB04 (WH/BU), harness side and the DLC C251-6, circuit VDB04 (WH/BU),
harness side.

-

Measure the resistance between the PCM C175b-3, circuit VDB05 (WH), harness side and the DLC C251-14, circuit VDB05 (WH), harness side.

Initial Inspection and Diagnostic Overview|Page 2756 > < Initial Inspection and Diagnostic Overview|Page 2754