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15 ASE Auto Mechanic Exams and Study Guides | Complete List

16 ASE Practice Tests and Study Guides

1. Auto Maintenance and Light Repair Certification Test (G1)

Objective:

To identify and recognize those Maintenance and Light Repair Technicians who can demonstrate the knowledge and skills necessary to successfully perform the most common maintenance and light repair tasks.

Tests Offered:

  • Auto Maintenance and Light Repair (G1)

Test Content:

The Auto Maintenance and Light Repair Certification Test (G1) contains 55 scored questions, plus 10 unscored research questions covering knowledge of the skills related to maintenance and light repairs in engine systems, automatic transmission/transaxle, manual drive train and axles, suspension and steering, brakes, electrical, and heating and air conditioning.

Recertification:

Technicians must retest every 5 years to retain their certification.

2. Automobile and Light Truck Certification Tests (A Series)

Objective:

To identify and recognize those Automobile and Light Truck (up to Class 3) Technicians who can demonstrate the knowledge and skills necessary to diagnose, service, and repair cars, SUVs, and light duty trucks.

Tests Offered:

  • A1 – Engine Repair (50 scored questions)
  • A2 – Automatic Transmission/Transaxle (50)
  • A3 – Manual Drive Train & Axles (40)
  • A4 – Suspension & Steering (40)
  • A5 – Brakes (45)
  • A6 – Electrical/Electronic Systems (50)
  • A7 – Heating & Air Conditioning (50)
  • A8 – Engine Performance (50)
  • A9 – Light Vehicle Diesel Engines (50)

Master Status Requirements:

Certified in tests A1 – A8, and are recognized as ASE-Certified Master Automobile Technicians. NOTE: A9 is NOT a requirement for Master Automobile Technician Status.

Recertification:

Technicians must retest every 5 years to retain their certification. The Automobile & Light Truck recertification tests (A1R – A8R) are about half as long as the initial certification tests.

Service Consultants:

Tests A1 through A9 are intended for technicians who perform vehicle repairs. ASE offers a separate C1 certification test specifically for service consultants, who work with repair technicians and car owners. Click here for more information on the C1 test.

3. Collision Repair and Refinish Certification Tests (B Series)

Objective:

To identify and recognize those Collision Repair Technicians and Refinishers who possess the knowledge and skills necessary to properly analyze and repair automotive collision damage and correct paint finish damage.

Tests Offered:

  • B2 – Painting & Refinishing (55 scored questions)
  • B3 – Non-Structural Analysis & Damage Repair (55)
  • B4 – Structural Analysis & Damage Repair (50)
  • B5 – Mechanical & Electrical Components (50)

Master Status Requirements:

Those who are certified in tests B2 – B5 are recognized as ASE-Certified Master Collision Repair Technicians.

NOTE: B6 is NOT a requirement for Master Collision Repair Technician Status.

Recertification:

Technicians must retest every 5 years to retain their certification. The Collision Repair and Refinish recertification tests (B2R – B5R) are about half as long as the initial certification tests.

Collision Damage Estimators:

Tests B2 through B5 are intended for technicians who perform repairs in collision repair shops. ASE offers a separate B6 certification test specifically for estimators, whether they work in a shop, write estimates for insurance companies, or are independent adjustors. Click here for more information on the B6 test.

4. Damage Analysis and Estimating Certification (B6)

Objective:

To identify and recognize estimators who possess the knowledge and skills necessary to properly analyze and estimate automotive collision damage.

This test complements those in the Collision Repair Test Series (Tests B2 – B5), and is specially intended for professionals who may not actually repair vehicles, but have the special knowledge needed to assess collision damage, estimate repair costs, and work with vehicle owners.

Test Content:

The Damage Analysis and Estimating (B6) test contains 50 scored questions on damage analysis, estimating, legal and environmental practices, vehicle construction, vehicle systems, parts identification and source, along with customer relations and sales.

Work Experience Requirement:

To become ASE certified, estimators must pass the B6 test and present proof of at least 2 years of work experience specifically related to damage analysis and estimating (not hands-on collision repair).

Recertification:

Estimators must retest every 5 years to retain their certification. The Damage Analysis and Estimating recertification test (B6R) is about half as long as the initial certification test.

Collision Repair and Refinish Technicians:

The B6 certification test is intended for those who write estimates for collision damage repair. ASE offers a separate series of tests B2 through B5 that are intended specifically for technicians who perform repairs in collision repair shops. Click here for more information on these tests.

5. Automobile Service Consultant Certification (C1)

Objective:

To improve the quality of vehicle service through the voluntary testing and certification of Service Consultant professionals.

Test Content:

The Automobile Service Consultant (C1) test contains 50 scored questions on communications, customer and internal relations, vehicle systems knowledge, sales skills, and shop operations.

Work Experience Requirement:

To become ASE certified, Service Consultants must pass the C1 test and present proof of at least 2 years of work experience specifically related to service writing (not hands-on automotive repair).

Recertification:

Service Consultants must retest every 5 years to retain their certification. The Service Consultant recertification test (C1R) is about half as long as the initial certification test.

Automobile Technicians:

The C1 certification test is intended for those who work as service consultants. ASE offers a separate series of tests A1 through A9 that are intended specifically for technicians who perform automobile and light truck repairs.

6. Truck Equipment Certification Tests (E Series)

Objective:

To identify and recognize those Truck Equipment Technicians who can demonstrate the knowledge and skills necessary to install, diagnose, service, and repair truck equipment and related support systems on all classes of trucks and tractors.

Tests Offered:

  • E1 – Truck Equipment Installation & Repair (45 scored questions)
  • E2 – Electrical/Electronic Systems Installation & Repair (50)
  • E3 – Auxiliary Power Systems Installation & Repair (50)

Master Certification Requirements:

Those who are certified in tests E1 – E3 are recognized as ASE-Certified Master Truck Equipment Technicians.

Recertification:

Technicians must retest every 5 years to retain their certification. The Truck Equipment recertification tests (E1R – E3R) are about half as long as the initial certification tests.

7. Alternate Fuels Certification Test (F1)

Objective:

To identify and recognize those technicians who can demonstrate the knowledge and skills necessary to diagnose, service, and repair compressed natural gas vehicles.

Test Content:

The Compressed Natural Gas Vehicle (F1) test contains 55 scored questions on vehicle inspection, equipment installation, leak testing and repairs, emissions, system diagnosis, maintenance and repair, and cylinder safety.

Recertification:

Technicians must retest every 5 years to retain their certification. The Alternate Fuels CNG Vehicle recertification test (F1R) is about half as long as the initial certification test.

8. Transit Bus Certification Tests (H Series)

Objective:

To identify and recognize those Transit Bus Technicians who demonstrate the knowledge and skills necessary to diagnose, service, and repair various systems on transit buses.

ASE initiated this test series with the support of the U.S. Department of Transportation and the American Public Transportation Association (APTA). While several of these tests parallel the ASE Medium-Heavy Truck and School Bus tests, each is designed to test knowledge of systems specific to transit buses.

Tests Offered:

  • H1 – Compressed Natural Gas (CNG) Engines (50 scored questions)
  • H2 – Diesel Engines (50)
  • H3 – Drive Train (40)
  • H4 – Brakes (50)
  • H5 – Suspension & Steering (45)
  • H6 – Electrical/Electronic Systems (50)
  • H7 – Heating Ventilation & Air Conditioning (HVAC) (50)
  • H8 – Preventive Maintenance & Inspection (PMI) (50)

Master Certification Requirements:

Those who are certified in tests H1 or H2, plus H3 – H8, are recognized as ASE-Certified Master Transit Bus Technicians.

Recertification:

Technicians must retest every 5 years to retain their certification. The Transit Bus recertification tests (H1R, H2R, H3R, H4R, H5R, H6R, H7R, and H8R) are about half as long as the initial certification tests. Other Transit Bus recertification tests are likely to be added over time.

9. Advanced Engine Performance Specialist Certification Test (L1)

Objective:

To identify those technicians who possess the knowledge and skills required to diagnose sophisticated drivability and emissions-related problems on automobiles, SUVs, and light-duty trucks.

Test Content:

The Advanced Engine Performance Specialist (L1) test contains 50 scored questions focused on the diagnosis of general power-train, computerized power-train controls (including OBD II), ignition systems, fuel and air induction systems, emission control systems, and I/M test failures. Because of the complexity of the L1 test, ASE generally recommends that you NOT register for other tests during the same test session.

Composite Vehicle:

Many of the questions relate to a sample vehicle using a composite power-train control system featuring computerized engine control technology used by most manufacturers. This vehicle is described in the Composite Vehicle Type 4 Reference Booklet that is provided both before and at the time of testing.

Prerequisite:

To register for the regular L1 certification test, you must have passed the Automobile Engine Performance (A8) test. To register for the recertification version of the Advanced Engine Performance Specialist Test (L1R), you must have previously passed the regular L1 test.

Recertification:

Technicians must retest every 5 years to retain their certification. The Advanced Engine Performance Specialist recertification test (L1R) is the same length as the regular certification test.

10. Electronic Diesel Engine Diagnosis Specialist Certification (L2)

Objective:

To identify those technicians who possess the knowledge and skills necessary to diagnose sophisticated diesel engine performance problems on medium- and heavy-duty trucks.

Test Content:

The Electronic Diesel Engine Diagnosis Specialist (L2) test contains 45 questions focused on the diagnosis of general diesel engine, electronic diesel engine controls, diesel engine air induction and exhaust systems, diesel fuel systems, and specific fuel systems, including electronic unit injector (EUI), pump-line-nozzle electronic (PLN-E) and hydraulic electronic unit injector (HEUI) systems.

Because of the complexity of the L2 test, ASE generally recommends that you NOT register for other tests during the same test session.

Composite Vehicle:

Many of the questions relate to a sample vehicle equipped with a composite diesel engine control system featuring a cross-section of electronic diesel engine control technology used by all engine manufacturers. This vehicle is described in the Medium-Heavy Composite Vehicle Type 2 Reference Booklet that is provided both before and at the time of testing.

Prerequisite:

To register for the regular L2 certification test, you must have passed one of the ASE Diesel Engine tests (A9, H2, S2, or T2) and one of the ASE Electrical/Electronic Systems tests (A6, H6, S6 or T6). To register for the recertification version of the Electronic Diesel Engines Diagnosis Specialist Test (L2R), you must have previously passed the regular L2 test.

Recertification:

Technicians must retest every 5 years to retain their certification. The Advanced Diesel Engine Diagnosis Specialist recertification test (L2R) is the same length as the regular certification test.

11. Light Duty Hybrid / Electric Vehicle Specialist Test (L3)

Objective:

To identify those technicians who possess the knowledge of and skills required to diagnose hybrid/electric automobiles, SUVs, and light-duty trucks.

Test Content:

The Light Duty Hybrid/Electric Vehicle Specialist (L3) test will cover content focused on the diagnosis of the battery system, internal combustion engine (ICE), drive system, power electronics, and hybrid supporting systems. Read the Frequently Asked Questions (FAQs) for the ASE Light Duty Hybrid/Electric Vehicle Specialist (L3) test to learn more about the launch of this testing program.

Certification Test Reference Document:

The L3 test will include a Certification Test Reference document that identifies the concepts for the hybrid/electric vehicle technology included in the L3 test. This document will be available as an electronic pop-up document during the test. All of the test questions follow the information contained in the document to help ensure that the test content remains consistent and understandable to technicians regardless of their area of hybrid/electric vehicle specialty.

Prerequisite:

To register for the L3 certification test, you must have passed both the Automobile Electrical/Electronic Systems (A6) and Engine Performance (A8) tests.

12. Parts Specialist Certification Tests (P Series)

Objective:

To improve the quality of services offered by Automobile and Medium-Heavy Truck Parts Specialists through the voluntary testing and certification of parts professionals.

Tests Offered:

  • P1 – Medium-Heavy Truck Parts Specialist (70 scored questions)
  • P2 – Automobile Parts Specialist (75)
  • P4 – General Motors Parts Consultant (65)

Discontinued Tests for the Parts Specialist Certification:

Effective December 31, 2010, ASE no longer offered the Truck Aftermarket Brake Parts (P3), Truck Aftermarket Suspension & Steering (P9), or the Engine Machinist (M1, M2, and M3) tests as part of its certification program.

The ASE Board Of Directors carefully examined trends in the industry, as well as the numbers of test-takers required to provide enough data to ensure a quality testing product. Based on results of the study, the Board decided to discontinue these tests. No other ASE certification tests are affected.

Work Experience Requirement:

To become ASE certified, Parts Specialists must pass one or more of the Parts series tests and present proof of at least 2 years of work experience specifically related to parts counter work, not hands-on automotive repair.

Recertification:

Parts Specialists must retest every 5 years to retain their certification. The Parts Specialist recertification tests (P1R, P2R, and P4R) are about half as long as the initial certification tests

13. School Bus Certification Tests (S Series)

Objective:

To identify and recognize those School Bus Technicians who possess the knowledge and skills necessary to diagnose, service, and repair different subsystems of Type A, B, C, and D school buses.

ASE initiated this Test Series at the request of the National Association for Pupil Transportation (NAPT). While several of these tests parallel the ASE Medium-Heavy Truck and Transit Bus tests, each is designed to test knowledge of systems specific to school buses.

Tests Offered:

  • S1 – Body Systems & Special Equipment (50 scored questions)
  • S2 – Diesel Engines (55)
  • S3 – Drive Train (45)
  • S4 – Brakes (50)
  • S5 – Suspension & Steering (50)
  • S6 – Electrical/Electronic Systems (45)
  • S7 – Air Conditioning Systems & Controls (45)

Master Certification Requirements:

Those who are certified in tests S1 – S6 are recognized as ASE-Certified Master School Bus Technicians.

NOTE: S7 is NOT a requirement for Master School Bus Technician Status.

Recertification:

Technicians must retest every 5 years to retain their certification. The School Bus recertification tests (S1R – S7R) are about half as long as the initial certification tests.

14. Medium-Heavy Truck Certification Tests ( T series)

Objective:

To identify and recognize those Medium and Heavy Truck Technicians who can demonstrate the knowledge and skills necessary to diagnose, service, and repair different systems of Class 4 through Class 8 trucks and tractors.

Tests Offered:

  • T1 – Gasoline Engines (50 scored questions)
  • T2 – Diesel Engines (55)
  • T3 – Drive Train (40)
  • T4 – Brakes (50)
  • T5 – Suspension & Steering (50)
  • T6 – Electrical/Electronic Systems (50)
  • T7 – Heating, Ventilation & Air Conditioning (HVAC) (40)
  • T8 – Preventive Maintenance Inspection (50)

Master Certification Requirements:

Those who are certified in tests T2 – T7 are recognized as ASE-Certified Master Medium-Heavy Truck Technicians. T8 technicians are also required to earn a Master Truck status. When the time comes to recertify, they will also need to take and pass the T8 test.

NOTE: T1 is not required for Master Medium-Heavy Truck Technician Status.

Recertification:

Technicians must retest every 5 years to retain their certification. The Medium-Heavy Truck recertification tests (T1R – T8R) are about half as long as the initial certification tests.

15. Undercar Specialist Exhaust Systems Test (X1)

Objective:

To identify and recognize those technicians who can demonstrate the knowledge and skills necessary to diagnose and repair automobile brakes, suspension and steering, and exhaust systems.

The ASE Undercar Specialist designation recognizes technicians who have demonstrated knowledge of the skills in Suspension & Steering (A4) and Brakes (A5) from the Automobile & Light Truck Test Series, and Exhaust Systems (X1) from the Specialty Test Series. Although it is not a stand-alone certification, Exhaust Systems (X1) has been combined as a technical complement to test technicians’ knowledge of exhaust systems. To earn the Undercar Specialist designation, you must be concurrently certified in all 3 tests: A4, A5, and X1.

Test Content:

The Exhaust Systems (X1) test contains 40 scored questions on exhaust system inspection and repair, fabrication, installation, emissions systems diagnosis and repair, and exhaust system repair regulations.

Prerequisite:

You must be currently certified in both Automobile Suspension and Steering (A4) and Automobile Brakes (A5), and satisfy the 2 -year hands-on work experience requirement in order to register for the X1 test.

Recertification:

Undercar Specialists must retest every 5 years to retain their certification. The Exhaust Systems recertification test (X1R) is about half as long as the initial certification test. Note that you must also be currently certified in both Automobile Suspension and Steering (A4) and Automobile Brakes (A5), and satisfy the 2 -year hands-on work experience requirement in order to register for the X1R test.