Explorer Sport Trac 2WD V6-4.0L (2009)
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Is any voltage present?
Yes
REPAIR the circuit. TEST the system for normal operation.
No
GO to AC12.
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AC12 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. CLEAR any DTCs. REPEAT the self-test.
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 AD: The Trailer Electric Brakes Are Inoperative/Do Not Operate Correctly
Trailer Lamps
Pinpoint Tests
Pinpoint Test AD: The Trailer Electric Brakes Are Inoperative/Do Not Operate Correctly
Refer to Wiring Diagram Set 95, Trailer/Camper Adapter for schematic and connector information. See: Diagrams/Electrical Diagrams/Diagrams By
Number
Normal Operation
The is provided voltage at all times by the Battery Junction Box (BJB) fuse 17 (30A) through circuit SBB17 (RD). Ground for the TBC module is
provided through circuit GD138 (BK/WH). The TBC module receives voltage from the stoplamp switch through circuit CCB08 (VT/WH) when the
brake pedal is applied. When requested, the TBC module provides voltage to the trailer tow connector through circuit CAT19 (BU).
