Flex AWD V6-3.5L (2009)
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Is the resistance less than 5 ohms?
Yes
GO to AD12.
No
REPAIR circuit CBP33 (WH/BN) for an open. TEST the system for normal operation.
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AD8 CHECK FOR VOLTAGE AT THE TRAILER TOW CONNECTOR (BATTERY CHARGE ALWAYS ON)
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Ignition OFF.
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Measure the voltage between the trailer tow connector battery charge voltage supply pin, circuit CAT14 (OG), component side and ground.
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Is any voltage present?
Yes
GO to AD9.
No
The vehicle is operating correctly. SEND the trailer to an authorized camper/trailer repair facility.
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AD9 CHECK TRAILER TOW BATTERY CHARGE RELAY OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE
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Disconnect: Trailer Battery Charge Relay.
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Measure the voltage between the trailer tow connector battery charge voltage supply pin, circuit CAT14 (OG), component side and ground.
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Is any voltage present?
Yes
REPAIR circuit CAT14 (OG) for a short to voltage. TEST the system for normal operation.
No
GO to AD10.
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AD10 CHECK THE TRAILER TOW BATTERY CHARGE RELAY COIL VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE
