AUTO 106 - Electrical/Electronic Systems Level 1

1. Complete general electrical and electronic systems Level 1 NATEF tasks as listed below.
   1. Research applicable vehicle and service information, vehicle service history, service precautions, and technical service bulletins
   2. Demonstrate knowledge of electrical/electronic series, parallel, and series-parallel circuits using principles of electricity (Ohm’s Law).
   3. Use wiring diagrams to trace electrical/electronic circuits.
   4. Demonstrate proper use of a digital multimeter (DMM) when measuring source voltage, voltage drop (including grounds), current flow, and resistance.
   5. Demonstrate knowledge of the causes and effects from shorts, grounds, opens, and resistance problems in electrical/electronic circuits.
   6. Check operation of electrical circuits with a test light.
   7. Check operation of electrical circuits with fused jumper wires.
   8. Measure key-off battery drain (parasitic draw).
   9. Inspect and test fusible links, circuit breakers, and fuses; determine necessary action.
   10. Perform solder repair of electrical wiring.
   11. Replace electrical connectors and terminal ends.
2. Complete Level 1 NATEF tasks related to Battery Service as listed below.
   1. Perform battery state-of-charge test; determine necessary action
   2. Confirm proper battery capacity for vehicle application; perform battery capacity test; determine necessary action.
   3. Maintain or restore electronic memory functions.
   4. Inspect and clean battery; fill battery cells; check battery cables, connectors, clamps, and hold-downs.
   5. Perform slow/fast battery charge according to manufacturer’s recommendations.
   6. Jump-start vehicle using jumper cables and a booster battery or an auxiliary power supply.
   7. Identify high-voltage circuits of electric or hybrid electric vehicle and related safety precautions.
   8. Identify electronic modules, security systems, radios, and other accessories that require reinitialization or code entry after reconnecting vehicle battery.
   9. Identify hybrid vehicle auxiliary (12v) battery service, repair, and test procedures.
3. Complete Level 1 NATEF tasks related to Starting Systems as listed below.
   1. Perform starter current draw test; determine necessary action.
   2. Perform starter circuit voltage drop tests; determine necessary action.
   3. Inspect and test starter relays and solenoids; determine necessary action.
   4. Remove and install starter in a vehicle.
   5. Inspect and test switches, connectors, and wires of starter control circuits; determine necessary action.
4. Complete Level 1 NATEF tasks related to Charging Systems as listed below.
   1. Perform charging system output test; determine necessary action
   2. Inspect, adjust, or replace generator (alternator) drive belts; check pulleys and tensioners for wear; check pulley and belt alignment.
   3. Remove, inspect, and re-install generator (alternator).
   4. Perform charging circuit voltage drop tests; determine necessary action.
5. Complete Level 1 NATEF tasks related to Lighting Systems as listed below.
   1. Inspect interior and exterior lamps and sockets including headlights and auxiliary lights (fog lights/driving lights); replace as needed.
   2. Aim headlights.
   3. Identify system voltage and safety precautions associated with high-intensity discharge headlights.
6. Complete Level 1 NATEF tasks related to Electrical Accessories as listed below.
   1. Disable and enable airbag system for vehicle service; verify indicator lamp operation.
   2. Remove and reinstall door panel.
   3. Describe the operation of keyless entry/remote-start systems.
   4. Verify operation of instrument panel gauges and warning/indicator lights; reset maintenance indicators.
   5. Verify windshield wiper and washer operation; replace wiper blades.
7. Complete required supplemental Level 1 NATEF tasks as listed below.
   1. Demonstrate awareness of the safety aspects of supplemental restraint systems (SRS), electronic brake control systems, and hybrid vehicle high voltage circuits.
   2. Demonstrate awareness of the safety aspects of high voltage circuits (such as high intensity discharge (HID) lamps, ignition systems, injection systems, etc.).