Expedition 2WD V8-5.4L (2009)
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Is the resistance greater than 10,000 ohms?
Yes
GO to Q7.
No
REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
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Q4 CHECK THE SJB REAR PARKING LAMPS OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE
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Ignition OFF.
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Disconnect: SJB C2280d.
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Ignition ON.
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Do the rear parking lamps continue to illuminate?
Yes
If not equipped with remote start, REPAIR circuit CLS30 (VT/WH) for a short to voltage. TEST the system for normal operation.
If equipped with remote start, GO to Q5.
No
GO to Q6.
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Q5 ISOLATE THE REMOTE START SYSTEM
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Disconnect: Remote Start C2390.
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Do the rear lamps continue to illuminate?
Yes
REPAIR circuit CLS30 (VT/WH) for a short to voltage. TEST the system for normal operation.
No
INSTALL a new remote start. TEST the system for normal operation.
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Q6 CHECK THE SJB FRONT PARKING LAMPS OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE
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Ignition OFF.
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Disconnect: SJB C2280e.
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Ignition ON.
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Do the front parking lamps continue to illuminate?
Yes
REPAIR circuit CLS30 (VT/WH) for a short to voltage. TEST the system for normal operation.
No
GO to Q6.