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