Explorer AWD V8-4.6L (2010)
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Is the resistance less than 5 ohms?
Yes
GO to X4.
No
REPAIR circuit CAT17 (BN) for an open. TEST the system for normal operation.
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X4 CHECK FOR CORRECT SJB OPERATION
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Disconnect all the SJB connectors.
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Check for:
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corrosion
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damaged pins
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pushed-out pins
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Connect all the SJB connectors and make sure they seat 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 SJB. REFER to Body Control Systems. TEST the system for normal operation.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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Pinpoint Test Y: The Trailer Reversing Lamps Are Inoperative
Trailer Lamps
Pinpoint Tests
Pinpoint Test Y: The Trailer Reversing Lamps Are Inoperative
Refer to Wiring Diagram Set 95, Trailer/Camper Adapter for schematic and connector information. See: Diagrams/Electrical Diagrams/Diagrams By
Number
Normal Operation
Voltage to the trailer tow connector for the trailer reversing lamps is supplied by the Smart Junction Box (SJB) fuse 16 (10A).
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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Trailer tow connector
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Trailer
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SJB
PINPOINT TEST Y: THE TRAILER LAMPS ARE INOPERATIVE - REVERSING LAMPS
