Escape 4WD L4-2.5L Hybrid (2009)
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AA4 CHECK THE SBB08 (VT/RD) FOR AN OPEN
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Place the headlamp switch in the OFF position.
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Measure the voltage between the trailer tow parking lamp relay pin 3, circuit SBB08 (VT/RD), BJB face side and ground.
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Is the voltage greater than 10 volts?
Yes
GO to AA5.
No
VERIFY the BJB fuse 8 (20A) is OK. If OK, REPAIR circuit SBB08 (VT/RD) for an open. TEST the system for normal operation. If not OK, REFER
to the Wiring Diagrams to identify the possible causes of the circuit short.
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AA5 CHECK CIRCUIT GD120 (BK/GN) FOR AN OPEN
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Disconnect: Negative Battery Cable.
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Measure the resistance between the trailer tow parking lamp relay pin 1, circuit GD120 (BK/GN), BJB face side and ground.
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Is the resistance less than 5 ohms?
Yes
REPAIR circuit CAT11 (BN) for an open. TEST the system for normal operation.
No
REPAIR circuit GD120 (BK/GN) for an open. TEST the system for normal operation.
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Pinpoint Test AB: The Trailer Lamps Are On Continuously
Trailer Lamps
Pinpoint Tests
Pinpoint Test AB: The Trailer Lamps Are On Continuously
Refer to Wiring Diagram Set 95 (Escape/Mariner, Escape Hybrid/Mariner Hybrid), Trailer/Camper Adapter for schematic and connector information.
See: Diagrams/Electrical Diagrams/Diagrams By Number
Normal Operation - Trailer Tow Turn/Stoplamp
