F 350 2WD Super Duty V8-6.4L DSL Turbo (2009)
GO to B6.
No
GO to B3.
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B3 CHECK THE HORN RELAY COIL GROUND CIRCUIT FOR A SHORT TO GROUND
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Depower the Supplemental Restraint System (SRS). Refer to Air Bag Systems.
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Disconnect: Clockspring C218a.
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Measure the resistance between the clockspring C218a-8, circuit SRH01 (YE/RD), harness side and ground.
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Is the resistance greater than 10,000 ohms?
Yes
GO to B4.
No
REPAIR circuit SRH01 (YE/RD) for a short to ground. REPOWER the SRS. REFER to Air Bag Systems.
TEST the system for normal operation.
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B4 CHECK THE CLOCKSPRING FOR A SHORT TO GROUND
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Remove the driver air bag module.
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Connect: Clockspring C218a.
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Disconnect: Upper Clockspring C218b.
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Measure the resistance between the SJB C2280b-41, circuit SRH01 (YE/RD), harness side and ground.
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Is the resistance greater than 10,000 ohms?
Yes
GO to B5.
No
INSTALL a new clockspring. TEST the system for normal operation.
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B5 CHECK THE STEERING WHEEL HARNESS FOR SHORTS
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Inspect the steering wheel harness for shorts.
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Is the steering wheel harness OK?
Yes
