E 250 V8-5.4L (2008)
H12-H14
Test I: No Power To The Scan Tool
PINPOINT TEST I: NO POWER TO THE SCAN TOOL
Normal Operation
The scan tool is connected to the data link connector (DLC) to communicate with the high speed controller area network (HS-CAN), medium speed
controller area network (MS-CAN), and International Standards Organization (ISO) 9141 communications network. Voltage for the scan tool is
provided by circuit 40 (LB/WH). Ground is provided by circuits 570 (BK/WH) and 1205 (BK) (if equipped).
This pinpoint is intended to diagnose the following:
-
Fuse
-
Wiring, terminals or connectors
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Scan tool