ACRP 1019 Syllabus

Subject Code

ACRP

Course Number

1019

Course Title

Mechanical and Electrical Systems II

Prerequisites

Program admission

Corequisites

ACRP 1000

Terms Offered

Credit Hours

Course Description

This course introduces the various electrical, heating and AC, engine cooling, fuel and intake, and restraint systems found on vehicles typically requiring repair from damages incurred through automobile collisions.

Course Outcomes

Electrical Systems 

  • Check the available voltage, voltage drop, current and resistance in electrical wiring circuits and components with a DMM (digital multimeter).
  • Repair wiring and connectors.
  • Inspect, test, and replace fusible links, circuit breakers, and fuses.
  • Perform battery state-of-charge test and slow/fast battery charge.
  • Inspect, clean, repair or replace battery, battery cables, connectors and clamps.
  • Dispose of batteries and battery acid according to local, state, and federal requirements.
  • Identify programmable electrical/electronic components and check for malfunction indicator lamp (MIL) and fault codes; record data for reprogramming before disconnecting battery.
  • Inspect alignment, adjust, remove and replace alternator (generator), drive belts, pulleys and fans.
  • Check operation and aim headlamp assemblies and fog/driving lamps; determine needed repairs.
  • Inspect, test and repair or replace bulbs, sockets, connectors, and ground wires of interior and exterior light circuits.
  • Remove and replace horns; check operation.
  • Check operation of wiper/washer systems; determine needed repairs.
  • Check operation of power side and tailgate window; determine needed repairs.
  • Inspect, remove and replace power seat motors, linkages, cables, etc.
  • Inspect, remove and replace components of electric door and hatch/trunk lock.
  • Inspect, remove and replace components of keyless lock/unlock devices and alarm systems.
  • Inspect, remove and replace components of electrical sunroof and convertible/retractable hard top.
  • Check operation of electrically heated mirrors, windshields, back lights, panels, etc.; determine needed repairs.
  • Demonstrate self-grounding procedures (anti-static) for handling electronic components.
  • Check for module communication errors using a scan tool. 
  • Use wiring diagrams, component location, and diagnostic flow charts during diagnosis of electrical circuit problems.
  • Identify safe disabling techniques of high voltage systems on hybrid/electric vehicles. 
  • Identify potential safety and material handling concerns associated with high voltage hybrid/electric vehicle battery systems. 

Heating and AC Systems

  • Identify and comply with environmental regulations relating to refrigerants and coolants.
  • Maintain and verify correct operation of certified refrigerant recovery and recharging equipment. 
  • Locate and identify A/C system service ports.
  • Identify refrigerant contamination, recover, label, store, and recycle refrigerant from an A/C system. 
  • Select refrigerant, evacuate and recharge an A/C system; check for leaks. 
  • Inspect, adjust and replace A/C compressor drive belts; check pulley alignment. 
  • Remove and replace A/C compressor; inspect, repair or replace A/C compressor mount. 
  • Inspect, repair or replace A/.C system mufflers, hoses, lines, fittings, orifice tube, expansion valve, and seals.
  • Inspect, test and replace A/C system condenser and mounts.
  • Inspect and replace receiver/driver or accumulator/drier.
  • Inspect and repair A/C component wiring.
  • Demonstrate an understanding of safe handling procedures associated with high voltage A/C compressors and wring.
  • Inspect and protect open A/C system components from contaminates during repairs.

Engine Cooling Systems

  • Check engine cooling and heater system hoses and belts; determine necessary action.
  • Inspect, test, remove and replace radiator, pressure cap, coolant system components, and water pump.
  • Recover, refill, and bleed system with proper coolant and check level of protection; leak test system and dispose of materials in accordance with EPA regulations. 
  • Remove, inspect and replace fan (both electrical and mechanical), fan sensors, fan pulley, fan clutch, and fan shroud; check operation.
  • Inspect, remove, and replace auxiliary oil/fluid coolers; check oil levels.
  • Demonstrate an understanding of hybrid/electric cooling systems. 

Fuel, Intake, and Exhaust Systems

  • Inspect, remove and replace exhaust pipes, mufflers, converters, resonators, tail pipes and heat shields. 
  • Inspect, remove and replace fuel/DEF tank, tank filter, cap, filler hose, pump/sending unit and inertia switch; inspect and replace fuel lines and hoses. 
  • Inspect, remove, and replace engine components of air intake components.
  • Inspect, remove and replace canister, filter, vent, and purge lines of fuel vapor (EVAP) control systems. 

Restraint Systems

  • Inspect, remove and replace seatbelt and shoulder harness assembly and components. 
  • Inspect restraint system mounting areas for damage; repair as needed. 
  • Inspect the operation of the seatbelt system.
  • Disable and enable Supplemental Restraint System (SRS).
  • Verify that Supplemental Restraint System (SRS) is operational.
  • Inspect, remove, replace and dispose of deployed and non-deployed airbag(s) and pretensioners.
  • Use diagnostic trouble codes (DTC) to diagnose and repair the Supplemental Restraint System (SRS).
  • Demonstrate an understanding of advanced restraint systems.
  • Identify components of Supplemental Restraint Systems (SRS).