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Lesson One Workstations 1 - 3

Lesson One Workstations 1 - 3. Workstation 1 Written– Escape/Mariner Component Location and Operation. Workstation 2 Hands On – Fusion/Milan Component Location and Operation. Use CMT Active Student Program shortcut to launch the service information. Workstation 3 Written

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Lesson One Workstations 1 - 3

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  1. Lesson OneWorkstations 1 - 3 Workstation 1 Written– Escape/Mariner Component Location and Operation Workstation 2 Hands On – Fusion/Milan Component Location and Operation Use CMT Active Student Program shortcut to launch the service information. Workstation 3 Written High Voltage Safety Quiz

  2. Lesson OneWorkstation 1 DIRECTIONS: Use the 2008 Escape Hybrid service publications to answer the following questions.

  3. Lesson OneWorkstation 1 • List the PSCM connector number that contains the connector pin for circuit CBP35, and where is the connector located? • C 2231A is located at the lower left of the instrument panel

  4. Lesson OneWorkstation 1 • List all of the connectors that run to the DC/DC converter. Also list the location of the converter, and specify which connector contains the HV interlock circuits. • C 1457a, C 1457b, C 1457c, C 1457d. It is located in the right front engine compartment behind coolant reservoir. Interlock circuits are located in C 1457d

  5. Lesson OneWorkstation 1 • What cell in the Wiring Diagrams contains the safety warnings for the high voltage system? • In the Introduction Cell 3-6

  6. Lesson OneWorkstation 1 • Where is the TCM located, and which TCM connector contains the Hybrid Transaxle Generator Shutdown circuit? Also list the pin, circuit number, and color of the wire for the circuit. • The TCM is located on the left side of the engine compartment near the battery junction box (inside eCVT). The connector that contains the circuit is C1458b, it is pin 10 of the connector, the circuit # is CYT07 (VT)

  7. Lesson OneWorkstation 1 • A 2008 Escape Hybrid is brought to you with a no start condition. You believe there is an open circuit between the TBCM and the High Voltage Cutoff Switch. What circuit, should be tested between which connectors to verify your diagnosis? • Circuit CYB15 (GN) between C4227A and C4229

  8. Lesson OneWorkstation 1 • What is the function of the Engine Cranking Diagnostic Mode? • The engine cranking diagnostic mode is a powertrain control module (PCM) strategy which is separate from the normal operating strategy. It allows the engine to crank in a similar fashion as a conventional vehicle with the fuel disabled.

  9. Lesson OneWorkstation 1 • What indicates that the vehicle is in the Engine Cranking Diagnostic Mode? • The Hazard Indicator (Red Triangle) flashes once per second when the gear selector is shifted to the Park position.

  10. Lesson OneWorkstation 1 • What indicates that the vehicle is in the Engine Running Diagnostic Mode? • The Powertrain Malfunction Indicator (Wrench) flashes once per second when the gear selector is shifted to the Park position.

  11. Lesson OneWorkstation 2 DIRECTIONS: Go to the classroom vehicle. Locate the components that perform the functions listed in the right hand column. List the name of the component in the center column, and the tag letter/number that is attached to the component on the vehicle in the left column.

  12. Lesson OneWorkstation 2 Component Name Component Function HVBP Stores high voltage energy Tag ???

  13. Lesson OneWorkstation 2 Component Name Component Function Electrical A/C Compressor A high voltage low-amperage pump for passenger comfort Tag ???

  14. Lesson OneWorkstation 2 Component Name Component Function Brake Booster Contains vacuum solenoids Tag ???

  15. Lesson OneWorkstation 2 Component Name Component Function Electric Coolant Pump When the driver requests cabin heating and the engine is not running, this component is commanded on. Tag ???

  16. Lesson OneWorkstation 2 Component Name Component Function DC/DC Converter Converts high voltage to low voltage Tag ???

  17. Lesson OneWorkstation 2 Component Name Component Function Vacuum Pump Provides vacuum when the gasoline engine is not running Tag ???

  18. Lesson OneWorkstation 2 Component Name Component Function Service Disconnect Switch Prior to performing any HV service procedures this component must be removed. Tag ???

  19. Lesson OneWorkstation 2 Component Name Component Function RCM Cuts off high voltage and fuel in an emergency situation Tag ???

  20. Lesson OneWorkstation 2 Component Name Component Function BEC Contains a serviceable high-voltage low-current fuse Tag ???

  21. Lesson OneWorkstation 2 Component Name Component Function DC/AC Inverter Converts DC voltage to AC Voltage Tag ???

  22. Lesson OneWorkstation 2 Component Name Component Function 110 volt plug Provides a 110 volt AC power source Tag ???

  23. Lesson OneWorkstation 2 Component Name Component Function BPSM HV current is always present at this component, even with the service disconnect switch removed Tag ???

  24. Lesson OneWorkstation 2 Component Name Component Function EPAS Provides steering assist Tag ???

  25. Lesson OneWorkstation 2 Component Name Component Function BECM Contains most strategies for the high voltage system Tag ???

  26. Lesson OneWorkstation 2 Component Name Component Function ME Coolant Pump Provides coolant flow to various electronic components Tag ???

  27. Lesson OneWorkstation 2 Component Name Component Function HVBP Cooling Fan Provides airflow to cool the HVBP Tag ???

  28. Lesson OneWorkstation 2 Component Name Component Function eCVT Splits power for Traction Motor and Gasoline Engine Tag ???

  29. Lesson OneWorkstation 2 Component Name Component Function Brake Pedal Simulator Simulates Pedal Feel to the driver Tag ???

  30. Lesson OneWorkstation 2 • List the steps required to depower the HVBP? • The ignition must be turned off • The service disconnect switch must be removed then wait for 5 minute • Store service disconnect switch where it cannot be accidently reinstalled

  31. Lesson OneWorkstation 3 – Safety Quiz Objective: To describe the emergency instructions provided in this section. DIRECTIONS: Using the High Voltage Safety information and the Emergency Response Guide in the Appendix, find the correct answers for the questions below.

  32. Lesson OneSafety Quiz • What color are high voltage cables on hybrid vehicles? ORANGE

  33. Lesson OneSafety Quiz • When performing diagnostic or service on the high voltage system of a hybrid vehicle, what personal items must you remove? Rings, Watches, Jewelry, other metallic items (coins)

  34. Lesson OneSafety Quiz • What clothing material is recommended for working around high voltage? Cotton

  35. Lesson OneSafety Quiz • Identify the hazard that is associated with high voltage. • Electric shock • Blast • Arcing • All of the above

  36. Lesson OneSafety Quiz • Choose the cause that usually leads to electrical accidents. • Unsafe acts by workers • Unsafe work areas • Unsafe equipment or installation • All of the above

  37. Lesson OneSafety Quiz • Match the classes of fire with the descriptions shown on the right. Class A Class B Class C • 3 • 1 • 2 1. Chemical fire 2. Electrical fire 3. Typical fire

  38. Lesson OneSafety Quiz • Review the accident prevention steps in this student guide. List what you feel are the three most important steps of those presented.

  39. Lesson OneSafety Quiz • Which of the following types of fire extinguisher should never be used on an electrical fire? • Regular dry chemical • Multi-purpose dry chemical • Carbon dioxide • Water

  40. Lesson OneSafety Quiz • If a person is in contact with an electrical current, you should break the electrical connection as quickly as possible without exposing yourself to the current. • True • False

  41. Lesson OneSafety Quiz • What is the first thing you should do if you see someone that has been disabled by an electric shock? • Call for help

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