Mustang V8-4.6L (2009)
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Connect the IC connector and make sure it seats correctly.
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Operate the system and verify the concern is still present.
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Is the concern still present?
Yes
INSTALL a new IC. CLEAR the DTCs. REPEAT the network test with the scan tool.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the
network test with the scan tool.
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Pinpoint Test L: No Power To The Scan Tool
Communications Network
Pinpoint Tests
Pinpoint Test L: No Power To The Scan Tool
Refer to Wiring Diagram Set 14, Module Communications Network for schematic and connector information. See: Diagrams/Electrical
Diagrams/Diagrams By Number
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 1047 (LG/RD). Ground is provided by circuits 570 (BK/WH) and 1205 (BK).
This pinpoint test is intended to diagnose the following:
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Fuse
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Wiring, terminals or connectors
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Scan tool
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DLC
PINPOINT TEST L: NO POWER TO THE SCAN TOOL
NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the pinpoint
test. See: Initial Inspection and Diagnostic Overview/Communications Network/Inspection and Verification
NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.
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L1 CHECK THE DLC PINS FOR DAMAGE
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Disconnect the scan tool cable from the DLC.
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Inspect DLC pins 4, 5 and 16 for damage.
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Are DLC pins 4, 5 and 16 OK?
Yes
GO to L2.
No
REPAIR the DLC as necessary. CLEAR the DTCs. REPEAT the network test with the scan tool.