2012 Ford Escape Hybrid, AWDFACTORY OEM SERVICE PROCEDURE

Visual Checks

WARNING: TO PREVENT THE RISK OF HIGH-VOLTAGE SHOCK, ALWAYS FOLLOW PRECISELY ALL WARNINGS AND SERVICE INSTRUCTIONS, INCLUDING INSTRUCTIONS TO DEPOWER THE SYSTEM. THE HIGH-VOLTAGE HYBRID SYSTEM UTILIZES APPROXIMATELY 300 VOLTS DC, PROVIDED THROUGH HIGH-VOLTAGE CABLES TO ITS COMPONENTS AND MODULES. THE HIGH-VOLTAGE CABLES AND WIRING ARE IDENTIFIED BY ORANGE HARNESS TAPE OR ORANGE WIRE COVERING. ALL HIGH-VOLTAGE COMPONENTS ARE MARKED WITH HIGH-VOLTAGE WARNING LABELS WITH A HIGH-VOLTAGE SYMBOL. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN SERIOUS PERSONAL INJURY OR DEATH.
  • Inspect the air cleaner and inlet duct.
  • Check all engine vacuum hoses for damage, leaks, cracks, kinks and correct routing.
  • Check the powertrain control module (PCM) or transaxle control module (TCM) wiring harness for correct connections, bent or broken pins, corrosion, loose wires and correct routing.
  • Examine all high voltage cables and connectors for secure connection, damaged, burned or overheated insulation and loose or broken condition.
  • Verify the traction battery high voltage service plug is correctly connected.
  • Verify the front and rear inertia fuel shutoff (IFS) switches are not tripped.
  • Check the PCM, sensors, and actuators for physical damage.
  • Check the engine coolant for correct level and mixture.
  • Check the motor electronics coolant for correct level and mixture.
  • Check the transaxle fluid level and quality. Refer to the appropriate Automatic Transmission/Transaxle article.
  • Make all necessary repairs before continuing with the quick test. Refer to QUICK TEST DESCRIPTIONΒ 
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.