Explorer 2WD V6-4.0L (2009)
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Is the resistance less than 5 ohms?
Yes
GO to X4.
No
REPAIR the circuit. 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
-
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. 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 Lamps Are Inoperative - Reversing Lamps
Trailer Lamps
Pinpoint Tests
Pinpoint Test Y: The Trailer Lamps Are Inoperative - Reversing Lamps
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 reversing lamps is supplied by the Smart Junction Box (SJB) through circuit CAT16 (GY/BN).
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
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the
