Fusion FWD L4-2.5L Hybrid (2010)
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 U: The Smart Junction Box (SJB) Does Not Respond To The Scan Tool
Communications Network
Pinpoint Tests
Pinpoint Test U: The Smart Junction Box (SJB) Does Not Respond To The Scan Tool
Refer to Wiring Diagram Set 10 (Fusion/Milan/MKZ, Fusion Hybrid/Milan Hybrid), Grounds for schematic and connector information. See:
Diagrams/Electrical Diagrams/Diagrams By Number
Refer to Wiring Diagram Set 13 (Fusion/Milan/MKZ, Fusion Hybrid/Milan Hybrid), Power Distribution/SJB for schematic and connector information.
See: Diagrams/Electrical Diagrams/Diagrams By Number
Refer to Wiring Diagram Set 14 (Fusion/Milan/MKZ, Fusion Hybrid/Milan Hybrid), Module Communications Network for schematic and connector
information. See: Diagrams/Electrical Diagrams/Diagrams By Number
Normal Operation
The Smart Junction Box (SJB) communicates with the scan tool through the Medium Speed Controller Area Network (MS-CAN).
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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SJB
PINPOINT TEST U: THE SJB DOES NOT RESPOND TO THE SCAN TOOL
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the
connector.
NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.
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U1 CHECK THE SJB VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
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Ignition ON.
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NOTE: Measurements are taken with the fuses installed.
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Measure the voltage between the SJB fuse 5 (10A) and ground.