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DIM0302 - Electrical and Electronics 1 2014 NATEF JOB TASKS COMPLETION REQUIREMENT: P1 - 95% P2 - 70% P3 - 25% Student Name: ___________________________ DETAILED COURSE CONTENT V. ELECTRICAL/ELECTRONIC SYSTEMS A. GENERAL ELECTRICAL SYSTEMS – The student will be able to: 1. 2. 3. Read and interpret electrical/electronic circuits using wiring diagrams. Check continuity in electrical/electronic circuits using appropriate test equipment. Check applied voltages, circuit voltages, and voltage drops in electrical/electronic circuits using appropriate test equipment. 4. Check current flow in electrical/electronic circuits and components appropriate test equipment. 5. Check resistance in electrical/electronic circuits and components using appropriate test equipment. 6. Locate shorts, grounds, and opens in electrical/electronic circuits. 7. Identify parasitic (key-off) battery drain problems; perform tests; determine needed action. 8. Inspect and test fusible links, circuit breakers, relays, solenoids, and fuses; replace as needed. 9. Inspect and test spike suppression devices; replace as needed. 10. Check frequency and pulse width signal in electrical/electronic circuits using appropriate test equipment. B. BATTERY -- The student will be able to: 1. 2. 3. Identify battery type; perform appropriate battery load test; determine needed action. Determine battery state of charge using an open circuit voltage test. Inspect, clean, and service battery; replace as needed. 1 P1 P2 P3 Level Date DIM0302 - Electrical and Electronics 1 B. BATTERY -- continued 4. 5. 6. 7. 8. 9. P1 Inspect and clean battery boxes, mounts, and hold downs; repair or replace as needed. Charge battery using appropriate method for battery type. Inspect, test, and clean battery cables and connectors; repair or replace as needed. Jump start a vehicle using jumper cables and a booster battery or appropriate auxiliary power supply using proper safety procedures. Perform battery capacitance test; determine needed action. Identify and test low voltage disconnect (LVD) systems; determine needed repair. C. STARTING SYSTEM -- The student will be able to: 1. 2. 3. 4. Perform starter circuit cranking voltage and voltage drop tests; determine needed action. Inspect and test components (key switch, push button and/or magnetic switch) and wires and harnesses in the starter control circuit. Replace as needed. Inspect and test, starter relays and solenoids/switches. Replace as needed. Remove and replace starter; inspect flywheel ring gear or flex plate. D. CHARGING SYSTEM DIAGNOSIS AND REPAIR -- The student will be able to: 1. 2. 3. 4. 5. 6. 7. Test instrument panel mounted volt meters and/or indicator lamps; determine needed action. Identify causes of a no charge, low charge, or overcharge problems; determine needed action. Inspect and replace alternator drive belts, pulleys, fans, tensioners, and mounting brackets; adjust drive belts and check alignment. Perform charging system voltage and amperage output tests; perform AC ripple test; determine needed action. Perform charging circuit voltage drop tests; determine needed action. Remove and replace alternator. Inspect, repair, or replace cables, wires, and connectors in the charging circuit. 2 P2 P3 Level Date DIM0302 - Electrical and Electronics 1 3 P1 P2 P3 Tasks Completed 0 Total Tasks 25 % of Total Tasks 0 0 3 0 0 2 0