F 150 4WD V8-4.6L VIN 8 (2010)
INSTALL a new bulb holder. TEST the system for normal operation.
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J12 CHECK THE SJB STOPLAMP OUTPUT CIRCUIT FOR A SHORT TO GROUND
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Ignition OFF.
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Disconnect: SJB C2280d.
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Measure the resistance between the SJB C2280d-25, circuit CLS18 (GY/BN), harness side and ground; or between the SJB C2280d-26, circuit
CLS19 (VT/OG), harness side and ground.
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Is the resistance greater than 10,000 ohms?
Yes
GO to J13.
No
REPAIR circuit CLS18 (GY/BN) (LH rear stoplamp) or circuit CLS19 (VT/OG) (RH rear stoplamp) for a short to ground. After the repair:
If no DTCs are present, TEST the system for normal operation.
If DTC B106E is present, CLEAR the DTCs and REPEAT the self-test (required to enable the turn lamp output driver if DTC B106E is present).
TEST the system for normal operation.
If DTC B106F is present, INSTALL a new SJB. REFER to Body Control Systems. TEST the system for normal operation.
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J13 CHECK FOR CORRECT SJB OPERATION
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Disconnect all the SJB connectors.
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Check for:
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corrosion
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damaged pins
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pushed-out pins
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Connect all the SJB connectors and make sure they seat correctly.
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Operate the system and verify the concern is still present.
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Is the concern still present?
Yes
INSTALL a new SJB. REFER to Body Control Systems. TEST the system for normal operation.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the
self-test.
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Pinpoint Test K: The Stoplamps Are On Continuously
Stoplamps