Fusion FWD L4-2.5L Hybrid (2010)
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Is the voltage greater than 10 volts?
Yes
GO to A4.
No
VERIFY the Battery Junction Box (BJB) fuse 47 (10A) is OK. If OK, REPAIR circuit CBK03 (GY). If not OK, REFER to the Wiring Diagrams to
identify the possible causes of the circuit short See: Diagrams/Electrical Diagrams/Diagrams By Number.
CLEAR the DTC. REPEAT the self-test. TEST the system for normal operation.
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A4 CLEAR DTCs AND CARRY OUT SELF-TEST OF THE DC/DC
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Using the scan tool, clear the DC/DC DTCs.
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Wait a minimum of 65 seconds before carrying out the next step.
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Enter the following diagnostic mode on the scan tool: Self Test - DC/DC.
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Is DTC P0A12:16 reported?
Yes
INSTALL a new DC/DC. REFER to Direct Current/Direct Current (DC/DC) Converter See: Hybrid Drive Systems/Power Control System/Voltage
Converter/Service and Repair. REPEAT the self-test.
TEST the system for normal operation.
No
Concern is not present at this time. INSPECT the PCM relay control input to DC/DC C1457D-7, circuit CBK03 (GY) for intermittent faults. CLEAR the
DTC. REPEAT the self-test. TEST the system for normal operation.
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Pinpoint Test B: DTC P0A94:4B
High-Voltage Converter/Inverter
Pinpoint Tests
