F 150 4WD V8-4.6L VIN 8 (2010)
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Is the resistance less than 5 ohms?
Yes
GO to J13.
No
REPAIR circuit CLS18 (GY/BN) (LH rear stoplamp) or circuit CLS19 (VT/OG) (RH rear stoplamp) for an open. CLEAR the DTCs. REPEAT the
self-test.
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J9 CHECK FOR VOLTAGE TO THE INOPERATIVE STOPLAMP USING THE CONNECTOR GROUND
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While applying the brake pedal, measure the voltage between the inoperative rear lamp, harness side and ground as follows:
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Is the voltage greater than 10 volts?
Yes
INSTALL a new bulb holder. CLEAR the DTCs. REPEAT the self-test.
No
REPAIR circuit GD120 (BK/GN) for an open. CLEAR the DTCs. REPEAT the self-test.
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J10 CHECK THE BULB HOLDER FOR A SHORT TO GROUND
NOTE: For Styleside, disconnect only one lamp.
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Disconnect: Inoperative Rear Lamp.
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Ignition ON.
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Enter the following diagnostic mode on the scan tool: SJB Self-Test.
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Clear the DTCs and repeat the self-test (required to enable the turn lamp output driver if DTC B106E is present).
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While applying the brake pedal, measure the voltage between the inoperative rear lamp, harness side and ground as follows:
