Focus L4-2.0L (2009)
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Is the resistance less than 5 ohms?
Yes
GO to H5.
No
REPAIR circuit SBP02 (YE/RD) for an open. CLEAR the DTCs. REPEAT the self-test.
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H3 BYPASS THE STOPLAMP SWITCH
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Connect a fused jumper wire between the stoplamp switch C278-1, circuit SBP02 (YE/RD), harness side and the stoplamp switch C278-4, circuit
CCB08 (VT/WH), harness side.
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Are the stoplamps illuminated?
Yes
REMOVE the jumper wire. INSTALL a new stoplamp switch. REFER to Stoplamp Switch See: Brake Light Switch/Service and Repair. TEST the
system for normal operation.
No
LEAVE the jumper wire connected. GO to H4.
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H4 CHECK CIRCUIT CCB08 (VT/WH) FOR AN OPEN
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Disconnect: High Mounted Stoplamp C475.
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Measure the voltage between the high mounted stoplamp C475-1, circuit CCB08 (VT/WH), harness side and ground.
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Is the voltage greater than 10 volts?
Yes
REMOVE the jumper wire. REPAIR circuit GD110 (BK/WH) for an open. TEST the system for normal operation.
No
REMOVE the jumper wire. REPAIR circuit CCB08 (VT/WH) for an open. TEST the system for normal operation.
