(ACR) Standards Glossary

Standards Structure

• Content Standards are listed at the top of the list and are the general statements of what students need to know and be able to do.
  
• Topics are listed below the standards and further clarify a specific area of the standard.

  Topic 3.1

  Suspension and Steering

  Topic 3.2

  Electrical

  Topic 3.3

  Brakes

  Topic 3.4

  Heating and Air Conditioning

  Topic 3.5

  Cooling Systems

  Topic 3.6

  Drive Train

  Topic 3.7

  Fuel, Intake, and Exhaust Systems

  Topic 3.8

  Restraint Systems

Calculation Method for Standards

Standards are larger groups of related student competencies. So the Standard Score is a calculation of all the related student competencies. So click on the student competences identifiers name below each Standard to access the learning targets and proficiency scales for each Disciplinary Core Idea's related Performance Expectations.

(ARC) Standard 3:
Mechanical and Electrical Components

Proficiency Scale

Students Competencies...

• Perform visual inspection and measuring checks to identify steering and suspension collision damage.
  
• Identify one–time use fasteners.
  
• Clean, inspect, and prepare reusable fasteners.
  
• Remove, replace, inspect or adjust power steering pump, pulleys, belts, hoses, fittings and pump mounts.
  
• Remove and replace power steering gear (non-rack and pinion type).
  
• Inspect, remove, and replace power rack and pinion steering gear and related components.
  
• Inspect and replace parallelogram steering linkage components.
  
• Inspect, remove and replace upper and lower control arms and related components.
  
• Inspect, remove and replace steering knuckle/spindle/hub assemblies (including bearings, races, seals, etc.).
  
• Inspect, remove and replace front suspension system coil springs and spring insulators (silencers).
  
• Inspect, remove, replace, and adjust suspension system torsion bars, and mounts.
  
• Inspect, remove and replace stabilizer bar bushings, brackets, and links.
  
• Inspect, remove and replace MacPherson strut or assembly, upper bearing, and mount.
  
• Inspect, remove, and replace rear suspension system transverse links, control arms, stabilizer bars, bushings, and mounts.
  
• Inspect, remove, and replace suspension system leaf spring(s) and related components.
  
• Inspect axle assembly for damage and misalignment.
  
• Inspect, remove and replace shock absorbers.
  
• Diagnose, inspect, adjust, repair or replace active suspension systems and associated lines and fittings.
  
• Measure vehicle ride height and wheel base; determine necessary action.
  
• Inspect, remove, replace, and align front and rear frame (cradles/sub).
  
• Diagnose and inspect steering wheel, steering column, and components.
  
• Verify proper operation of steering systems including electronically controlled, hydraulic and electronically assisted steering systems.
  
• Diagnose front and rear suspension system noises and body sway problems; determine necessary action.
  
• Diagnose vehicle wandering, pulling, hard steering, bump steer, memory steering, torque steering, and steering return problems; determine necessary action.
  
• Demonstrate an understanding of wheel, suspension, and steering alignments (caster, camber, toe, SAI etc.).
  
• Diagnose tire wear patterns; determine cause.
  
• Inspect tires; identify direction of rotation and location; check tire size, tire pressure monitoring system (TPM) and adjust air pressure.
  
• Diagnose wheel/tire vibration, shimmy, tire pull (lead), wheel hop problems; determine needed repairs.
  
• Measure wheel, tire, axle, and hub runout; determine needed repairs.
  
• Reinstall wheels and torque lug nuts.
  
• Perform initialization or calibration procedures following suspension and/or steering system repairs.
  

Proficiency Scale

The student can...

(ARC) Standard 3:
Mechanical and Electrical Components

Proficiency Scale

Students Competencies...

• Check for available voltage, voltage drop and current, and resistance in electrical wiring circuits and components with a DMM (digital multimeter).
  
• Repair electrical circuits, 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 switches, relays, bulbs, sockets, connectors, and ground wires of interior and exterior light circuits.
  
• Remove and replace horn(s); 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.
  

Proficiency Scale

The student can...

(ARC) Standard 3:
Mechanical and Electrical Components

Proficiency Scale

Students Competencies...

• Inspect brake lines, hoses, and fittings for damage or wear; tighten fittings and supports; replace brake lines (double flare and ISO types).
  
• Replace hoses, fittings, seals, and supports.
  
• Identify, handle, store, and fill with appropriate brake fluids.
  
• Bleed (manual, pressure, or vacuum) hydraulic brake system.
  
• Pressure test brake hydraulic system; determine necessary action.
  
• Adjust brake shoes or pads; remove and reinstall brake drums or drum/hub assemblies.
  
• Remove, clean and inspect caliper and rotor assembly and mountings for wear and damage; reinstall.
  
• Inspect parking brake system operation; repair or adjust as necessary; verify operation.
  
• Identify the proper procedures for handling brake dust.
  
• Check for bent or damaged brake system components.
  
• Demonstrate an understanding of various types of advanced braking systems (ABS, electronic parking brake, hydraulic, electronic, traction and stability control).
  

Proficiency Scale

The student can...

(ARC) Standard 3:
Mechanical and Electrical Components

Proficiency Scale

Students Competencies...

• 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, and recycle refrigerant from an A/C system.
  
• Select refrigerant, evacuate, and recharge A/C system.
  
• Select oil type and install correct amount in A/C system.
  
• 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/drier 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 wiring.
  
• Inspect and protect open A/C system components from contaminants during repairs.
  

Proficiency Scale

The student can...

(ARC) Standard 3:
Mechanical and Electrical Components

Proficiency Scale

Students Competencies...

• Check engine cooling and heater system hoses and belts; determine needed repairs.
  
• Inspect, test, remove, and replace radiator, pressure cap, coolant recovery system, 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.
  

Proficiency Scale

The student can...

(ARC) Standard 3:
Mechanical and Electrical Components

Proficiency Scale

Students Competencies...

• Remove, replace, and adjust shift or clutch linkage as required.
  
• Remove and replace electronic sensors, wires, and connectors.
  
• Remove and reinstall powertrain assembly; inspect, replace, and align powertrain mounts.
  
• Remove and replace drive axle assembly.
  
• Inspect, remove and replace half shafts and axle constant velocity (CV) joints.
  
• Inspect, remove and replace drive shafts and universal joints.
  
• Demonstrate an understanding of safe handling procedures associated with high voltage powertrain components.
  

Proficiency Scale

The student can...

(ARC) Standard 3:
Mechanical and Electrical Components

Proficiency Scale

Students Competencies...

• Inspect, remove and replace exhaust pipes, mufflers, converters, resonators, tail pipes, and heat shields.
  
• Inspect, remove and replace fuel 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 systems.
  
• Inspect, remove and replace canister, filter, vent, and purge lines of fuel vapor (EVAP) control systems.
  

Proficiency Scale

The student can...

(ARC) Standard 3:
Mechanical and Electrical Components

Proficiency Scale

Students Competencies...

• Inspect, remove, and replace seatbelt and shoulder harness assembly and components.
  
• Inspect restraint system mounting areas for damage; repair as needed.
  
• Inspect the proper operation of seatbelt system.
  
• Disable and enable Supplemental Restraint System (SRS).
  
• Inspect, protect, remove and replace Supplemental Restraint Systems (SRS) sensors and wiring; ensure sensor orientation.
  
• 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).
  

Proficiency Scale

The student can...