Home ReviewsRefund
Home/Ford/Focus ST/Ford Focus ST III (2012-2015)/Repair manual/Mechanical/Electric Motor
Contents Section: Mechanical All sections

Electric Motor Ford Focus ST III

Mechanical 31 illustrations ~791 words

OVERVIEW

WARNINGTo 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.

The traction motor is a liquid-cooled 3-phase AC permanent magnet motor consisting of field coils in a stator and a permanent magnet rotor. The transmission control module (TCM) calculates the angle of the rotor using Hall Effect sensors and applies the correct voltage to the three phases of the field coils to produce a positive torque effect in the rotor. Additionally, when regenerative braking is commanded by the powertrain control module (PCM), the TCM can configure the motor to act as a generator by allowing the rotor to generate voltage in the field coils. The resulting AC voltage is then converted to DC to recharge the high voltage batteries, thus recapturing energy that would normally be lost as friction heat in the brakes. The traction motor is coupled to a 1-speed reduction gear. There is no need for a reverse gear, as the motor itself reverses when the transmission gear selector is placed in Reverse. The traction motor is liquid cooled and contains an internal temperature sensor to monitor for any overheating conditions.

SPECIAL TOOL(S)/GENERAL EQUIPMENT 100-001 (T50T-100-A) Slide Hammer 205-241 (T86P-3514-A) Remover, Halfshaft TKIT-2009TC-F T86P-1000-S TKIT-1986-F 205-290 (T89P-3415-B) Remover, Halfshaft (Plate) TKIT-1989-FLM TKIT-1989-LM Transmission Jack

Scheme 621

Scheme 621: Electric Motor
Scheme 621: Electric Motor

Scheme 622

Scheme 622
Scheme 622

Scheme 623

Scheme 623
Scheme 623

Removal

WARNINGTo 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.
WARNINGBefore beginning any service procedure in this information, REFER to Safety Warnings in 100-00 GENERAL INFORMATION -- FOCUS ELECTRIC . Failure to follow this instruction may result in serious personal injury.
WARNINGAlways allow the engine to cool before opening the cooling system. Do not unscrew the coolant pressure relief cap when the engine is operating or the cooling system is hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. Failure to follow these instructions may result in serious personal injury.

Note. To prevent coolant loss, clamp the coolant hoses next to the component. Draining of the cooling system is not required.

Scheme 624

Scheme 624
Scheme 624

Scheme 625

Scheme 625
Scheme 625

Scheme 626

Scheme 626
Scheme 626

Scheme 627

Scheme 627
Scheme 627

Scheme 628

Scheme 628
Scheme 628

Scheme 629

Scheme 629
Scheme 629

Scheme 630

Scheme 630
Scheme 630

Scheme 631

Scheme 631
Scheme 631

Scheme 632

Scheme 632
Scheme 632

Scheme 633

Scheme 633
Scheme 633

Scheme 634

Scheme 634
Scheme 634

Scheme 635

Scheme 635
Scheme 635

Scheme 636

Scheme 636
Scheme 636

Scheme 637

Scheme 637
Scheme 637

Scheme 638

Scheme 638
Scheme 638

Scheme 639

Scheme 639
Scheme 639

Scheme 640

Scheme 640
Scheme 640

Scheme 641

Scheme 641
Scheme 641

Scheme 642

Scheme 642
Scheme 642
  1. Refer to: «AIR CONDITIONING (A/C) SYSTEM RECOVERY, EVACUATION AND CHARGING»(/ford/focus-st/iii-2012-2015/remont/automatic-hvac-system/#climate-control-system-electric__air-conditioning-ac-system-recovery-evacuation) (412-00 Climate Control System - General Information, General Procedures).
  2. Refer to: «HIGH VOLTAGE BATTERY DISCONNECT AND CONNECT»(/ford/focus-st/iii-2012-2015/remont/body-electrical/#high-voltage-battery-mounting-cables-electric) (414-03A High Voltage Battery, Mounting and Cables, General Procedures).
  3. Refer to: «BATTERY DISCONNECT AND CONNECT»(/ford/focus-st/iii-2012-2015/remont/body-electrical/#battery-mounting-cables-electric) (414-01 Battery, Mounting and Cables, General Procedures).
  4. Refer to: «WHEEL AND TIRE»(/ford/focus-st/iii-2012-2015/remont/wheel-tire-system/#wheels-tires-electric__wheel-and-tire) ( 204-04 Wheels and Tires).
  5. LH shown, RH similar.
  6. LH shown, RH similar.
  7. LH shown, RH similar. Install Special Service Tool : 205-290 (T89P-3415-B) Remover, Halfshaft (Plate) , 205-241 (T86P-3514-A) Remover, Halfshaft , 100-001 (T50T-100-A) Slide Hammer
  8. NOTE: The inner joint must not be bent more than 18 degrees. NOTE: The outer joint must not be bent more than 45 degrees. LH shown, RH similar.
  9. LH shown, RH similar.
  10. Refer to: «HEATING, VENTILATION AND AIR CONDITIONING (HVAC) CONTROL MODULE»(/ford/focus-st/iii-2012-2015/remont/manual-hvac-system/#climate-control-system-general-information-except-electric) (412-00 Climate Control System - General Information).
  11. General Equipment : Transmission Jack
  12. NOTE: Make sure that no components catch. NOTE: This step requires the aid of another technician.

Scheme 643

Scheme 643: Installation
Scheme 643: Installation

Scheme 644

Scheme 644
Scheme 644

Scheme 645

Scheme 645
Scheme 645

Scheme 646

Scheme 646
Scheme 646

Scheme 647

Scheme 647
Scheme 647

Scheme 648

Scheme 648
Scheme 648
  1. NOTE: Make sure that no components catch. NOTE: This step requires the aid of another technician.
  2. Torque : 145 Nm
  3. Torque : 145 Nm
  4. Torque : 2 Nm
  5. Torque : 10 Nm
  6. NOTE: Make sure that a new bolt is installed. Torque : 145 Nm Stage 1: 80 Nm Stage 2: 120°
  7. Torque : 10 Nm
  8. Refer to: «HEATING, VENTILATION AND AIR CONDITIONING (HVAC) CONTROL MODULE»(/ford/focus-st/iii-2012-2015/remont/automatic-hvac-system/#climate-control-system-electric) (412-00 Climate Control System - General Information).
  9. NOTE: Make sure that a new component is installed. LH shown, RH similar.
  10. LH shown, RH similar.
  11. NOTE: Make sure that a new bolt is installed. LH shown, RH similar. Torque : 83 Nm
  12. LH shown, RH similar. Torque : 10 Nm
  13. Refer to: «WHEEL AND TIRE»(/ford/focus-st/iii-2012-2015/remont/wheel-tire-system/#wheels-tires-electric__wheel-and-tire) ( 204-04 Wheels and Tires).
  14. Refer to: «BATTERY DISCONNECT AND CONNECT»(/ford/focus-st/iii-2012-2015/remont/body-electrical/#battery-mounting-cables-electric) (414-01 Battery, Mounting and Cables, General Procedures).
  15. Refer to: «HIGH VOLTAGE BATTERY DISCONNECT AND CONNECT»(/ford/focus-st/iii-2012-2015/remont/body-electrical/#high-voltage-battery-mounting-cables-electric) (414-03A High Voltage Battery, Mounting and Cables, General Procedures).
  16. Refer to: «COOLING SYSTEM FILLING AND BLEEDING»(/ford/focus-st/iii-2012-2015/remont/cooling-system-mechanical/#electric-powertrain-cooling) (303-03 Electric Powertrain Cooling, General Procedures).
  17. Refer to: «AIR CONDITIONING (A/C) SYSTEM RECOVERY, EVACUATION AND CHARGING»(/ford/focus-st/iii-2012-2015/remont/automatic-hvac-system/#climate-control-system-electric__air-conditioning-ac-system-recovery-evacuation) (412-00 Climate Control System - General Information, General Procedures). NOTE: The following 2 steps are only necessary when installing a new TCM assembly.
  18. Refer to: «MODULE CONFIGURATION - SYSTEM OPERATION AND COMPONENT DESCRIPTION»(/ford/focus-st/iii-2012-2015/remont/communication-devices/#module-configuration-electric) (418-01 Module Configuration, Description and Operation).
  19. Refer to: «PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET»(/ford/focus-st/iii-2012-2015/remont/door-locks-anti-theft-systems/#anti-theft-passive-anti-theft-system-electric) (419-01B Passive Anti-Theft System (PATS), General Procedures).

Scheme 649

Scheme 649: Removal
Scheme 649: Removal

Scheme 650

Scheme 650
Scheme 650

Scheme 651

Scheme 651
Scheme 651
  1. Refer to: «JACKING AND LIFTING - OVERVIEW»(/ford/focus-st/iii-2012-2015/remont/oem-general-information/#jacking-lifting-electric) (100-02 Jacking and Lifting, Description and Operation).
  2. NOTE: Make sure that a new bolt is installed. Torque : 90 Nm 115 Nm

Installation

  1. To install, reverse the removal procedure.

More articles — Engine