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ASE School Bus Air Conditioning Systems and Controls (S7) Certification — Requirements & Free Practice

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ASE School Bus Air Conditioning Systems and Controls (S7) Certification

Licensing authority: National Institute for Automotive Service Excellence

Initial by examination
ASE School Bus Air Conditioning Systems and Controls (S7) Examination
Claim Ids
["s7-route-adoption","s7-route-conditions"]
Formal Education
For the two-year Repair Technician requirement, the official detailed substitution table allows one year credit for a completed ASE-accredited Auto/M-H Truck/Collision-Refinish program; two years for a completed ASE-accredited OEM-sponsored co-op program including its hands-on component; one year for three or more different ASE Entry-Level Certification Program tests; or up to one year for other formal training at two full-time training months (or 200 program hours) per experience month. These substitutes cannot be combined. Programs in the first two categories must be accredited when completed; attach completion certificates, Entry-Level test certificates or transcripts as applicable. Entry-Level tests are optional experience-credit qualifications, not required professional S7 examination dependencies.
Other Experience Options
I-CAR Platinum satisfies the corresponding two-year Repair Technician category with a current certificate. Military applicants provide VMET/DD214/JST for evaluation; Canadian applicants may use a valid provincial automotive trade certificate for the two-year Repair Technician requirement. Self-employment credit requires performing diagnosis and repairs as the owner/operator of a licensed repair business and a current business license; home-garage repairs are excluded. Four academic years full-time (or equivalent) of qualifying instructor service in an Auto/M-H Truck/Collision-Refinish program plus at least 20 hours of technical-update training in the last 12 months satisfies the corresponding two-year requirement. Instructor credit cannot be combined with traditional hands-on experience or formal-education substitutions and requires the principal/dean's letter and training record. ASE retains discretion to evaluate substitutions and other qualifying experience.
Prerequisites
The current S7 materials identify S7 plus approved relevant experience. L1-L4 advanced-level prerequisites are specific to those other tests and are not S7 requirements; no unrelated exam is created or submitted.
Registration
Create/log in to myASE, purchase S7 and pay applicable registration/test fees, and arrange a test-center appointment within 90 days of purchase. Initial S7 uses the national test-center network; G1's remote initial-certification exception does not apply. Bring original valid government-issued photo/signature identification and comply with the official test-center procedures.
Renewal Context
ASE School Bus certification is retained by retesting every five years; recertification is outside this initial route and this investigation's production scope.
Scope
Initial professional School Bus S7 specialty certification only; not Master status, entry-level/student certification, recertification or a Section 609 credential.
Source Priority
The current detailed work-experience instructions explicitly linked by the S7 guide control experience substitutions, including the full two-year co-op credit. The general Need to Know summary's 'up to half' statement is not treated as a prohibition overriding this specific table.
Work Experience
Pass S7 and obtain ASE approval of two years full-time (or part-time equivalent) relevant hands-on Repair Technician experience maintaining, servicing and/or repairing light-duty or heavy-duty motor vehicles. The test can precede experience completion; no certificate is issued until the experience requirement is fulfilled. Document experience using the personal myASE profile and ASE ID.

ASE School Bus Air Conditioning Systems and Controls (S7) Examination

Provider
Prometric
Format
Computer-delivered multiple-choice initial certification examination at a test center; English with a pop-up English-to-Spanish glossary.
Exam questions
Total questions: 50; Scored questions: 40; Unscored questions: 10; The total includes the scored and unscored questions.
Time limit
60 minutes
Examination outline
  • A/C System Diagnosis and Repair (40%)
  • A/C System Component Diagnosis and Repair (35%)
    • Compressor and Clutch
    • Evaporator, Condenser, and Related Components
  • Operating Systems and Related Controls Diagnosis and Repair (25%)
Examination sources