Flex AWD V6-3.5L (2009)
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Ignition OFF.
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Disconnect: Auto-Dimming Interior Mirror C911 (Without the SYNC System) or C9012 (With the SYNC System).
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Ignition ON.
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Measure the voltage between the auto-dimming interior mirror C911-1 (without the SYNC system) or C9012-1 (with the SYNC system), circuit
CBP41 (BU), harness side and ground.
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Is the voltage greater than 10 volts?
Yes
GO to A3.
No
VERIFY the SJB fuse 41 (15A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams to identify the possible causes of the
circuit short. TEST the system for normal operation.
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A3 CHECK CIRCUIT GD133 (BK) FOR AN OPEN
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Ignition OFF.
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Disconnect: Negative Battery Cable.
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Measure the resistance between the auto-dimming interior mirror C911-3 (without the SYNC system) or C9012-10 (with the SYNC system),
circuit GD133 (BK), harness side and ground.
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Is the resistance less than 5 ohms?
Yes
GO to A4.
No
REPAIR the circuit. TEST the system for normal operation.
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A4 CHECK CIRCUIT VMC31 (GY/BU) FOR AN OPEN OR SHORT TO GROUND
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Connect: Negative Battery Cable.
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Disconnect: Auto-Dimming Interior Mirror C911 (Without the SYNC System) or C9012 (With the SYNC System).
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Disconnect: IC C220.
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For vehicles without the SYNC system, measure the resistance between the auto-dimming interior mirror C911-6, circuit VMC31 (GY/BU),
harness side and the IC C220-16, circuit VMC31 (GY/BU), harness side; and between the auto-dimming interior mirror C911-6, harness side and
ground.
