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Automotive Service Technician Task Matrix and Weightings

MWA A – Performs common occupational skills 6%

1. Task A-1 Performs safety-related functions 31%

A-1.01 Maintains safe work environment
A-1.02 Uses personal protective equipment (PPE) and safety equipment

2. Task A-2 Uses tools, equipment and documentation 50%

A-2.01 Uses tools and equipment
A-2.02 Uses fasteners, tubing, hoses and fittings
A-2.03 Uses hoisting and lifting equipment
A-2.04 Uses technical information

3. Task A-3 Uses communication and mentoring techniques 19%

A-3.01 Uses communication techniques
A-3.02 Uses mentoring techniques

MWA B – Diagnoses and repairs engine and engine support systems 19%

4. Task B-4 Diagnoses engine systems 19%

B-4.01 Diagnoses cooling systems
B-4.02 Diagnoses lubricating systems
B-4.03 Diagnoses engine assembly
B-4.04 Diagnoses accessory drive systems

5. Task B-5 Repairs engine systems 16%

B-5.01 Repairs cooling systems
B-5.02 Repairs lubricating systems
B-5.03 Repairs engine assembly
B-5.04 Repairs accessory drive systems

6. Task B-6 Diagnoses gasoline engine support systems 25%

B-6.01 Diagnoses gasoline fuel delivery and injection systems
B-6.02 Diagnoses gasoline ignition systems
B-6.03 Diagnoses gasoline intake/exhaust systems
B-6.04 Diagnoses gasoline emission control systems

7. Task B-7 Repairs gasoline engine support systems 19%

B-7.01 Repairs gasoline fuel delivery and injection systems
B-7.02 Repairs gasoline ignition systems
B-7.03 Repairs gasoline intake/exhaust systems
B-7.04 Repairs gasoline emission control systems

8. Task B-8 Diagnoses diesel engine support systems 12%

B-8.01 Diagnoses diesel fuel delivery and injection systems
B-8.02 Diagnoses diesel intake/exhaust systems
B-8.03 Diagnoses diesel emission control systems

9. Task B-9 Repairs diesel engine support systems 9%

B-9.01 Repairs diesel fuel delivery and injection systems
B-9.02 Repairs diesel intake/exhaust systems
B-9.03 Repairs diesel emission control systems

MWA C – Diagnoses and repairs vehicle module communications systems 9%

10. Task C-10 Diagnoses vehicle networking systems 67%

C-10.01 Reads diagnostic trouble codes (DTCs)
C-10.02 Monitors data
C-10.03 Interprets test results
C-10.04 Tests system circuitry and components

11. Task C-11 Repairs vehicle networking systems 33%

C-11.01 Updates component software
C-11.02 Replaces components
C-11.03 Verifies vehicle module communications system repair

MWA D – Diagnoses and repairs driveline systems 15%

12. Task D-12 Diagnoses driveline systems 59%

D-12.01 Diagnoses drive shafts and axles
D-12.02 Diagnoses manual transmissions/ transaxles
D-12.03 Diagnoses automatic transmissions/ transaxles
D-12.04 Diagnoses clutches
D-12.05 Diagnoses transfer cases
D-12.06 Diagnoses final drive assemblies

13. Task D-13 Repairs driveline systems 41%

D-13.01 Repairs drive shafts and axles
D-13.02 Repairs manual transmissions/ transaxles
D-13.03 Repairs automatic transmissions/ transaxles
D-13.04 Repairs clutches
D-13.05 Repairs transfer cases
D-13.06 Repairs final drive assemblies

MWA E – Diagnoses and repairs electrical and comfort control systems 17%

14. Task E-14 Diagnoses electrical systems and components 41%

E-14.01 Diagnoses basic wiring and electrical systems
E-14.02 Diagnoses starting/charging systems and batteries
E-14.03 Diagnoses lighting and wiper systems
E-14.04 Diagnoses entertainment systems
E-14.05 Diagnoses electrical options
E-14.06 Diagnoses instrumentation and information displays
E-14.07 Diagnoses electrical accessories

15. Task E-15 Repairs electrical systems and components 19%

E-15.01 Repairs basic wiring and electrical systems
E-15.02 Repairs starting/charging systems and batteries
E-15.03 Repairs lighting and wiper systems
E-15.04 Repairs entertainment systems
E-15.05 Repairs electrical options
E-15.06 Repairs instrumentation and information displays
E-15.07 Installs electrical accessories
E-15.08 Repairs electrical accessories

16. Task E-16 Diagnoses heating, ventilation and air conditioning (HVAC) and comfort control systems 25%

E-16.01 Diagnoses air flow control systems
E-16.02 Diagnoses refrigerant systems
E-16.03 Diagnoses heating systems

17. Task E-17 Repairs HVAC and comfort control systems 15%

E-17.01 Repairs air flow control systems
E-17.02 Repairs refrigerant systems
E-17.03 Repairs heating systems

MWA F – Diagnoses and repairs steering and suspension, braking, control systems, tires, hubs and wheel bearings 21%

18. Task F-18 Diagnoses steering and suspension, braking, control systems, tires, wheels, hubs and wheel bearings 59%

F-18.01 Diagnoses steering, suspension and control systems
F-18.02 Diagnoses braking and control systems
F-18.03 Diagnoses tires, wheels, hubs and wheel bearings

19. Task F-19 Repairs steering and suspension, braking, control systems, tires, wheels, hubs and wheel bearings 41%

F-19.01 Repairs steering, suspension and control systems
F-19.02 Repairs braking and control systems
F-19.03 Repairs tires, wheels, hubs and wheel bearings

MWA G – Diagnoses and repairs restraint systems, body components, accessories and trim 8%

20. Task G-20 Diagnoses restraint systems, body components, accessories and trim 64%

G-20.01 Diagnoses restraint systems
G-20.02 Diagnoses wind noises, rattles and water leaks
G-20.03 Diagnoses interior and exterior components, accessories and trim
G-20.04 Diagnoses latches, locks and movable glass

21. Task G-21 Repairs restraint systems, body components, accessories and trim 36%

G-21.01 Repairs restraint systems
G-21.02 Repairs wind noises, rattles and water leaks
G-21.03 Repairs interior and exterior components, accessories and trim
G-21.04 Repairs latches, locks and movable glass

MWA H – Diagnoses and repairs hybrid and electric vehicles (EV) 5%

22. Task H-22 Diagnoses hybrid and EV 64%

H-22.01 Implements specific safety protocols for hybrid and EV
H-22.02 Diagnoses hybrid and EV systems

23. Task H-23 Repairs hybrid and EV 36%

H-23.01 Repairs hybrid vehicle systems
H-23.02 Repairs EV systems

Date modified:: 2016-11-09