Fusion FWD L4-2.5L Hybrid (2010)
INSTALL new high-voltage cables. REFER to Hybrid Drive Systems. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
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D3 CHECK HIGH VOLTAGE TO THE TCM USING PID BATTERY VOLTAGE (TCM) RECEIVED (HVBAT_V)
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Connect: DC/DC C1457A.
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Connect: High-Voltage BEC C4236A.
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Install the HVTB service disconnect. Refer to Hybrid Drive Systems.
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Ignition ON.
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Connect the scan tool.
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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 D4.
No
GO to D5.
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D4 CHECK HIGH VOLTAGE TO THE DC/DC USING PID HEV HIGH VOLTAGE BUS-MEASURED (HEVHiVolt)
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Enter the following diagnostic mode on the scan tool: DataLogger - DC/DC.
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Monitor the DC/DC PID HEVHiVolt.
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Does the PID read greater than 150 volts?
Yes
GO to D5.
No
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.
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D5 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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Enter the following diagnostic mode on the scan tool: Self Test - DC/DC.
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Is DTC P0AFA:13 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. CLEAR the DTC. REPEAT the self-test. TEST the system for normal operation.
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Pinpoint Test E: DTC P0AFA:16
