Fusion FWD L4-2.5L Hybrid (2010)
No
GO to E2.
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E2 CHECK HIGH VOLTAGE TO THE TCM USING PID BATTERY VOLTAGE (TCM) RECEIVED (HVBAT_V)
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Enter the following diagnostic mode on the scan tool: DataLogger - TCM.
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Monitor the TCM PID HVBAT_V.
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Does the PID read greater than 150 volts?
Yes
GO to Pinpoint Test D. See: Pinpoint Test D: DTC P0AFA:13
No
CARRY OUT self-test of the Battery Energy Control Module (BECM). REFER to Hybrid Drive Systems for diagnosis of the BECM DTCs. CLEAR the
DTCs. REPEAT the self-test. TEST the system for normal operation.
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Pinpoint Test F: DTC P0AFB:17
High-Voltage Converter/Inverter
Pinpoint Tests
Pinpoint Test F: DTC P0AFB:17
Refer to Wiring Diagram Set 12 (Fusion/Milan/MKZ, Fusion Hybrid/Milan Hybrid), Charging System for schematic and connector information. See:
Diagrams/Electrical Diagrams/Diagrams By Number
Normal Operation
The DC to DC Converter Control Module (DC/DC) monitors the high voltage available from the High Voltage Traction Battery (HVTB). If the DC/DC
senses high voltage of greater than 360 volts, it will set DTC P0AFB:17 and request the CHECK CHARGING SYSTEM message be displayed in the
message center. The DC/DC will be in standby mode (DC/DC disabled) until the high voltage condition clears, resulting in the 12-volt battery eventually