Explorer AWD V8-4.6L (2010)
No
REPAIR circuit CAT09 (GN) for a short to ground. RUN the on-demand self-test (required to clear certain DTCs). CORRECT any unresolved DTCs.
CLEAR all DTCs. TEST the system for normal operation.
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AA6 CHECK FOR VOLTAGE TO THE TRAILER TOW CONNECTOR
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Ignition OFF.
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Disconnect the trailer from the vehicle.
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For the 4-pin connector, while applying the brake pedal, measure the voltage between the trailer tow C439-1, circuit CAT09 (GN), harness side
and ground.
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For the 7-pin connector, while applying the brake pedal, measure the voltage between the trailer tow connector pin 4, circuit CAT09 (GN),
component side and ground.
-
Is the voltage greater than 10 volts?
Yes
The vehicle is operating correctly. SEND the trailer to an authorized camper/trailer repair facility. TEST the system for normal operation.
No
For the 4-pin connector, GO to AA8.
For the 7-pin connector, GO to AA7.
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AA7 CHECK FOR VOLTAGE TO THE TRAILER TOW CONNECTOR (7-PIN)
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Disconnect: Trailer Tow C473.
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While applying the brake pedal, measure the voltage between the trailer tow C473-4, circuit CAT09 (GN), harness side and ground.
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Is the voltage greater than 10 volts?
Yes
INSTALL a new trailer tow connector. TEST the system for normal operation.
No
GO to AA8.
