Escape 2WD L4-2.5L Hybrid (2010)
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D1 REVIEW THE PCM DTCs
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Review the DTCs retrieved and recorded during Inspection and Verification.
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Is DTC P0A7C or any other MECS DTCs present in the PCM?
Yes
REFER to Computers and Control Systems Information to diagnose those DTCs first.
No
GO to D2.
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D2 CHECK FOR FAULT REPEATABILITY
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Connect the scan tool.
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Ignition ON.
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Using the scan tool, clear the PCM DTCs.
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Ignition OFF.
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Ignition ON.
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Enter the following diagnostic mode on the scan tool: Self Test - PCM.
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Is DTC P0A08, P0A09, P0A10, P0A11, P0A12 or P0A13 present?
Yes
GO to D3.
No
GO to D24.
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D3 CHECK FOR CURRENT DRAINS
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Ignition OFF.
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Carry out the Battery - Drain Test. Refer to the Diagnosis and Testing subsection in Battery. See: Battery/Testing and Inspection/Component
Tests and General Diagnostics See: Battery/Testing and Inspection
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Are any circuits causing excessive current drains?
Yes
REPAIR as necessary. TEST the system for normal operation.
No
GO to D4.
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D4 CHECK THE HVTB STATE OF CHARGE
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Ignition ON.
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Enter the following diagnostic mode on the scan tool: DataLogger - BCM.
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Using the Battery Pack State of Change (BSOC) PID, verify that the HVTB state of charge is greater than 35%.
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Is the HVTB state of charge greater than 35%?
Yes
GO to D5.
No
The HVTB is under-charged. CARRY OUT a self-test of the BCM. REFER to Hybrid Drive Systems to diagnose the HVTB.
