F 250 2WD Super Duty V8-5.4L (2008)
T13-T14
Test U: No Power To The Scan Tool
PINPOINT TEST U: 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 SBP20 (GN/RD). Ground is provided by circuits GD115 (BK/GY) and GD113 (BK/YE).
This pinpoint test is intended to diagnose the following:
-
Fuse
-
Wiring, terminals or connectors
-
Data link connector (DLC)
U1
