Recent Scheme of Work on Auto Electrical Works

Syllabus for Senior Secondary




FIRST TERM
SSS 1 SSS 2 SSS 3
WEEK 1: Revision
WEEK 1: Revision
WEEK 1: Revision
WEEK 2

Theme: Battery

Topic: Concept of battery

Sub-Topic:
Content:
1. Motor Batteries and primary Cell Batteries e.g. lead acid, nickel alkaline types, etc.
2. Inspection of Motor Vehicle Battery and other Batteries.
WEEK 2

Theme: Battery

Topic: Testing

Sub-Topic:
Content:
1. Specific gravity test of electrolyte.
2. Cell voltage test.
3. Polarity test.
WEEK 2

Theme: Battery

Topic: Charging: safety rules, acid mixing, battery cleaning, battery connection

Sub-Topic:
Content:
Battery Charging, preliminaries, hygiene and safety rules.
Battery connection rules.
WEEK 3

Theme: Battery

Topic: Uses of battery

Sub-Topic:
Content:
1. Battery assembly on a vehicle.
2. Battery as a power source in soldering
WEEK 3

Theme: Battery

Topic: Testing (Cont.)

Sub-Topic:
Content:
1. Specific gravity test of electrolyte.
2. Cell voltage test.
3. Polarity test.
WEEK 3

Theme: Battery

Topic: Charging mode

Sub-Topic:
Content:
Battery charging
WEEK 4

Theme: Battery

Topic: Types and construction

Sub-Topic:
Content:
1. Different types of Secondary Cell Vehicle Battery.
2. Similarities and differences between them.
WEEK 4

Theme: Battery

Topic: Maintenance

Sub-Topic:
Content:
1. Electrolyte topping up need.
2. Hydrometer reading and interpretation
3. Overcharging symptoms.
4. Idle battery safe-keeping hint.
WEEK 4

Theme: Battery

Topic: State of charge

Sub-Topic:
Content:
Electrolyte testing: State of charge.
WEEK 5

Theme: Battery

Topic: Types and construction

Sub-Topic:
Content:
1. Different types of Secondary Cell Vehicle Battery.
2. Similarities and differences between them.
WEEK 5

Theme: Battery

Topic: Maintenance (Cont.)

Sub-Topic:
Content:
1. Electrolyte topping up need.
2. Hydrometer reading and interpretation
3. Overcharging symptoms.
4. Idle battery safe-keeping hint.
WEEK 5

Theme: Starting System

Topic: Commutator soldering repair

Sub-Topic:
Content:
Armature Servicing and repairs.
WEEK 6

Theme: Starting System

Topic: Purpose of the starting system

Sub-Topic:
Content:
Starter motor in its location, in the engine compartment.
WEEK 6

Theme: Starting System

Topic: Dismantling and assembling

Sub-Topic:
Content:
Sequence, care and accuracy in dismantling and assembling.
WEEK 6

Theme: Starting System

Topic: Troubleshooting and rectification

Sub-Topic:
Content:
Diagnosis and repairs/rest oration.
WEEK 7

Theme: Starting System

Topic: Starter circuit diagram

Sub-Topic:
Content:
1. Starter Circuit components duly located in their respective positions in a vehicle.
2. The sequential arrangement of these units in a vehicle.
WEEK 7

Theme: Starting System

Topic: Dismantling and assembling (Cont.)

Sub-Topic:
Content:
Sequence, care and accuracy in dismantling and assembling.
WEEK 7

Theme: Ignition System

Topic: Engine tuning: distributor checks

Sub-Topic:
Content:
Reassurance of distributor condition.
WEEK 8

Theme: Starting System

Topic: Type of starter motors

Sub-Topic:
Content:
1. Axial pinion engagement
2. Inertia pinion engagement
WEEK 8

Theme: Starting System

Topic: Brushing and brush replacement

Sub-Topic:
Content:
1. Over haul: removal and replacement of brushes and bushings.
2. Coupling without undue torque and misalignment.
WEEK 8

Theme: Ignition System

Topic: Spark plugs check and installation

Sub-Topic:
Content:
1. Spark Plug cleaning and
2. Spark gap setting.
3. Vehicle firing Order.
WEEK 9

Theme: Starting System

Topic: Type of starter motors (Cont.)

Sub-Topic:
Content:
1. Axial pinion engagement
2. Inertia pinion engagement
WEEK 9

Theme: Starting System

Topic: Brushing and brush replacement (Cont.)

Sub-Topic:
Content:
1. Over haul: removal and replacement of brushes and bushings.
2. Coupling without undue torque and misalignment.
WEEK 9

Theme: Ignition System

Topic: Ignition timing

Sub-Topic:
Content:
Distributor position adjustment.

WEEK 10: REVISION AND EXAMININATION
WEEK 10: REVISION AND EXAMININATION
WEEK 10: REVISION AND EXAMININATION
SECOND TERM
SSS 1 SSS 2 SSS 3
WEEK 1: Revision
WEEK 1: Revision
WEEK 1: Revision
WEEK 2

Theme: Ignition System

Topic: Purpose of the ignition system

Sub-Topic:
Content:
Ignition system assembly in its position in the vehicle.
WEEK 2

Theme: Ignition System

Topic: Contact breaker point replacement

Sub-Topic:
Content:
1. Removal, Reconditioning (where necessary) and replacement of Contact breaker points.
2. Adjusting and gapping of the Contact points.
WEEK 2

Theme: Charging System

Topic: Brush and bearing replacement

Sub-Topic:
Content:
Brush and Bearing failure, identification and replacement.
WEEK 3

Theme: Ignition System

Topic: Ignition circuit diagram

Sub-Topic:
Content:
Reading, drawing and labeling Ignition Circuit
WEEK 3

Theme: Ignition System

Topic: Contact breaker point replacement (Cont.)

Sub-Topic:
Content:
1. Removal, Reconditioning (where necessary) and replacement of Contact breaker points.
2. Adjusting and gapping of the Contact points.
WEEK 3

Theme: Charging System

Topic: Brush and bearing replacement (Cont.)

Sub-Topic:
Content:
Brush and Bearing failure, identification and replacement.
WEEK 4

Theme: Ignition System

Topic: Spark plug, uses and construction

Sub-Topic:
Content:
1. Spark plugs in their locations in a vehicle.
2. Short and long reach plugs constructional differences.
3. How to change Spark Plugs.
WEEK 4

Theme: Ignition System

Topic: Ignition coil construction uses and function

Sub-Topic:
Content:
1. Appreciation of the use of Ignition Coil.
2. Internal construction of the Coil.
3. Operation of the Coil.
WEEK 4

Theme: Charging System

Topic: Diode testing, repair/ replacement

Sub-Topic:
Content:
Alternator corrective maintenance
WEEK 5

Theme: Ignition System

Topic: Spark plug, uses and construction (Cont.)

Sub-Topic:
Content:
1. Spark plugs in their locations in a vehicle.
2. Short and long reach plugs constructional differences.
3. How to change Spark Plugs.
WEEK 5

Theme: Ignition System

Topic: Ignition coil construction uses and function (Cont.)

Sub-Topic:
Content:
1. Appreciation of the use of Ignition Coil.
2. Internal construction of the Coil.
3. Operation of the Coil.
WEEK 5

Theme: Charging System

Topic: Diode testing, repair/ replacement (Cont.)

Sub-Topic:
Content:
Alternator corrective maintenance
WEEK 6

Theme: Charging System

Topic: Purpose of charging system/ alternator unit

Sub-Topic:
Content:
The Charging system assembly as a sub-system a motor vehicle. Alternator unique features.
WEEK 6

Theme: Charging System

Topic: Voltage current regulator uses

Sub-Topic:
Content:
Voltage/current regulation
WEEK 6

Theme: Lighting System

Topic: Troubleshooting

Sub-Topic:
Content:
Causes and remedies of lighting fault from any part of the lighting circuit The main lighting system include:
Head lamp and all other lamps meant for the illumination of the road.
WEEK 7

Theme: Charging System

Topic: Charging circuit diagram

Sub-Topic:
Content:
1. 'Graphical and Pictorial representation of charging circuit.
2. Need for diagrammatic representation of the charging system.
3. How to remove and fix the charging system Units
WEEK 7

Theme: Charging System

Topic: Voltage current regulator uses (Cont.)

Sub-Topic:
Content:
Voltage/current regulation
WEEK 7

Theme: Lighting System

Topic: Troubleshooting (Cont.)

Sub-Topic:
Content:
Causes and remedies of lighting fault from any part of the lighting circuit The main lighting system include:
Head lamp and all other lamps meant for the illumination of the road.
WEEK 8

Theme: Charging System

Topic: Current rectification from AC to DC

Sub-Topic:
Content:
1. One way flow of current in diodes.
2. Commutator segment regulation of current flow.
WEEK 8

Theme: Charging System

Topic: Voltage current regulator construction and function

Sub-Topic:
Content:
Construction and operation (function) of Voltage/current Regulator.
WEEK 8

Theme: Auxiliary System

Topic: Troubleshooting (Cont.)

Sub-Topic:
Content:
Causes and remedies from any side of auxiliary system.
The auxiliary system includes:
Horn, Brake switch, Door switch, Fuel gauge, Clock, Window winder, Water temperature gauge, Oil pressure gauge, Direction indicator, Reverse light switch and lamps, etc.
WEEK 9

Theme: Charging System

Topic: Current rectification from AC to DC (Cont.)

Sub-Topic:
Content:
1. One way flow of current in diodes.
2. Commutator segment regulation of current flow.
WEEK 9

Theme: Charging System

Topic: Voltage current regulator construction and function (Cont.)

Sub-Topic:
Content:
Construction and operation (function) of Voltage/current Regulator.
WEEK 9

Theme: Auxiliary System

Topic: Troubleshooting (Cont.)

Sub-Topic:
Content:
Causes and remedies from any side of auxiliary system.
The auxiliary system includes:
Horn, Brake switch, Door switch, Fuel gauge, Clock, Window winder, Water temperature gauge, Oil pressure gauge, Direction indicator, Reverse light switch and lamps, etc.

WEEK 10: REVISION AND EXAMININATION
WEEK 10: REVISION AND EXAMININATION
WEEK 10: REVISION AND EXAMININATION
THIRD TERM
SSS 1 SSS 2 SSS 3
WEEK 1: Revision
WEEK 1: Revision
WEEK 1: Revision
WEEK 2

Theme: Lighting System

Topic: Purpose of lightening system

Sub-Topic:
Content:
1. Need for lighting in motor vehicle.
2. Obligatory lights in motor vehicle.
WEEK 2

Theme: Lighting System

Topic: Circuit protection

Sub-Topic:
Content:
Guarantee of circuit damage.
WEEK 2

Theme:

Topic:

Sub-Topic:
Content:
WEEK 3

Theme: Lighting System

Topic: Lightning circuit diagram

Sub-Topic:
Content:
1. Interpretation and drawing of lighting circuit diagram.
2. Identification of the units that make up the circuit.
WEEK 3

Theme: Lighting System

Topic: Classification of circuits

Sub-Topic:
Content:
Circuit connection modes; Series, Parallel, Earth return and Double pole (insulated return)
WEEK 3

Theme:

Topic:

Sub-Topic:
Content:
WEEK 4

Theme: Lighting System

Topic: Types of head lamps

Sub-Topic:
Content:
1. Distinguishing features of sealed type of head lamp.
2. Distinguishing features of open ended head lamp.
WEEK 4

Theme: Lighting System

Topic: Head lamp setting

Sub-Topic:
Content:
Headlight focusing and alignment.
WEEK 4

Theme:

Topic:

Sub-Topic:
Content:
WEEK 5

Theme: Lighting System

Topic: Types of head lamps (Cont.)

Sub-Topic:
Content:
1. Distinguishing features of sealed type of head lamp.
2. Distinguishing features of open ended head lamp.
WEEK 5

Theme: Lighting System

Topic: Head lamp setting (Cont.)

Sub-Topic:
Content:
Headlight focusing and alignment.
WEEK 5

Theme:

Topic:

Sub-Topic:
Content:
WEEK 6

Theme: Auxiliary System

Topic: Concept and need for auxiliary system

Sub-Topic:
Content:
1. Concept of auxiliary system; definition and uses.
2. Units in the auxiliary system.
WEEK 6

Theme: Auxiliary System

Topic: Construction and operation of water temperature gauge and various other auxiliary units

Sub-Topic:
Content:
1. Construction details of various auxiliary units. 2. Operations of various auxiliary units.
WEEK 6

Theme:

Topic:

Sub-Topic:
Content:
WEEK 7

Theme: Auxiliary System

Topic: Concept and need for auxiliary system (Cont.)

Sub-Topic:
Content:
1. Concept of auxiliary system; definition and uses.
2. Units in the auxiliary system.
WEEK 7

Theme:Auxiliary System

Topic: Construction and operation of water temperature gauge and various other auxiliary units (Cont.)

Sub-Topic:
Content:
1. Construction details of various auxiliary units. 2. Operations of various auxiliary units.
WEEK 7

Theme:

Topic:

Sub-Topic:
Content:
WEEK 8

Theme: Auxiliary System

Topic: Auxiliary circuit diagram

Sub-Topic:
Content:
1. Interpretation and drawing of auxiliary circuit diagram.
2. Identification of the units that are classified as auxiliary.
WEEK 8

Theme: Auxiliary System

Topic: Repairs of water temperature gauge, oil pressure gauge, horn, relay, wiper, switch, screen washer pump, break ,indicator, door switch

Sub-Topic:
Content:
1. Auxiliary units' fault diagnosis.
2. Repair (where possible) of various auxiliary units.
WEEK 8

Theme:

Topic:

Sub-Topic:
Content:
WEEK 9

Theme: Auxiliary System

Topic: Auxiliary circuit diagram (Cont.)

Sub-Topic:
Content:
1. Interpretation and drawing of auxiliary circuit diagram.
2. Identification of the units that are classified as auxiliary.
WEEK 9

Theme: Auxiliary System

Topic: Repairs of water temperature gauge, oil pressure gauge, horn, relay, wiper, switch, screen washer pump, break ,indicator, door switch (Cont.)

Sub-Topic:
Content:
1. Auxiliary units' fault diagnosis.
2. Repair (where possible) of various auxiliary units.
WEEK 9

Theme:

Topic:

Sub-Topic:
Content:

WEEK 10: REVISION AND EXAMININATION
WEEK 10: REVISION AND EXAMININATION
WEEK 10: REVISION AND EXAMININATION





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