Escape 2WD L4-2.5L Hybrid (2010)
No
GO to A9.
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A8 CHECK FOR VOLTAGE TO THE HORN USING THE CONNECTOR GROUND
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While pressing the horn switch, measure the voltage between the horn C1101-2, circuit SRH01 (YE/RD), harness side and the horn C1101-1,
circuit GD120 (BK/GN), harness side.
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Is the voltage greater than 10 volts?
Yes
INSTALL a new horn. REFER to Horn See: Service and Repair. TEST the system for normal operation.
No
REPAIR circuit GD120 (BK/GN) for an open. TEST the system for normal operation.
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A9 CHECK THE SJB HORN OUTPUT CIRCUIT FOR AN OPEN
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Disconnect: SJB C2280e.
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Measure the resistance between the SJB C2280e-5, circuit SRH01 (YE/RD), harness side and the horn C1101-2, circuit SRH01 (YE/RD), harness
side.
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Is the resistance less than 5 ohms?
Yes
GO to A10.
No
REPAIR circuit SRH01 (YE/RD) for an open. TEST the system for normal operation.
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A10 CHECK FOR CORRECT SJB OPERATION
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Disconnect all the SJB connectors.
-
Check for:
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corrosion
-
damaged pins
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pushed-out pins
-
Connect all the SJB connectors and make sure they seat correctly.
-
Operate the system and verify the concern is still present.
-
Is the concern still present?
Yes
INSTALL a new SJB. REFER to Body Control Systems. TEST the system for normal operation.