Fusion FWD L4-2.5L Hybrid (2010)
REFER to Charging System to diagnose an overcharging condition.
No
GO to F3.
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F3 RECHECK FOR DTC B1317
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Turn the engine off.
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Ignition ON.
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Enter the following diagnostic mode on the scan tool: DSM Self-Test.
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Clear the continuous memory DTCs.
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Carry out the DSM self-test.
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Is DTC B1317 present?
Yes
INSTALL a new DSM. REFER to Driver Seat Module (DSM) See: Mirrors/Memory Positioning Systems/Memory Positioning Module/Service and
Repair. TEST the system for normal operation.
No
The system is operating normally at this time. The DTC may have been set previously during battery charging or while jump starting the vehicle.
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Pinpoint Test G: DTC B1318
Driver Seat Module (DSM)
Pinpoint Tests
Pinpoint Test G: DTC B1318
Refer to Wiring Diagram Set 13 (Fusion/Milan/MKZ, Fusion Hybrid/Milan Hybrid), Power Distribution/SJB for schematic and connector information.
See: Diagrams/Electrical Diagrams/Diagrams By Number
Normal Operation
The Driver Seat Module (DSM) monitors the voltage from the battery to determine if it goes above or below specific thresholds.
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DTC B1318 (Battery Voltage Low) - a continuous memory or on-demand DTC that sets when the DSM detects battery voltage below 10 volts on
circuit SBB32.
This pinpoint test is intended to diagnose the following:
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Wiring, terminals or connectors
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High circuit resistance
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DSM
PINPOINT TEST G: DTC B1318
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the
connector.
NOTE: Failure to disconnect the battery when instructed will result in false resistance readings. Refer to Battery.
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G1 RECHECK THE DSM DTCs
