Vehicle Electrician Course

Lesson 1 • Voltage, Current, and Resistance Basics

Introduces the three core electrical quantities and their relationships. Establishes the measurement vocabulary used throughout all subsequent vehicle electrical work.

Lesson 2 • Ohm's Law and Power Calculations

Applies Ohm's Law to calculate unknown values in simple circuits. Connects power formulas to real vehicle component ratings and fuse sizing.

Lesson 3 • Electrical Safety and Workshop Practices

Establishes safe handling procedures for vehicle electrical systems and batteries. Ensures students protect themselves and equipment before any hands-on diagnostic work.

Lesson 4 • Magnetism and Electromagnetic Principles

Covers magnetic fields, induction, and their role in motors and generators. Provides the theory behind starters, alternators, and solenoids encountered in vehicles.

Lesson 1 • Wire Types, Gauges, and Colour Coding

Covers conductor materials, insulation ratings, and industry colour-coding conventions. Enables correct wire selection for repair and replacement tasks.

Lesson 2 • Wiring Repair and Splice Techniques

Covers approved methods for repairing damaged wiring without compromising circuit integrity. Connects schematic knowledge to physical repair execution.

Lesson 3 • Reading Automotive Wiring Diagrams

Teaches schematic symbols, diagram layouts, and component location codes. Students trace complete circuits from power source to ground using manufacturer diagrams.

Lesson 4 • Connector Types and Terminal Identification

Identifies common automotive connector families and terminal designs. Students match connectors to circuit functions and select correct repair terminals.

Lesson 1 • Oscilloscope Use in Vehicle Diagnostics

Introduces waveform capture and analysis for sensors and actuators. Students distinguish normal from abnormal signal patterns to identify intermittent faults.

Lesson 2 • Scan Tool and OBD Diagnostics

Explains on-board diagnostic protocols, fault code retrieval, and live data streaming. Students use scan tool data to guide electrical fault diagnosis systematically.

Lesson 3 • Digital Multimeter Operation

Covers all multimeter functions used in automotive diagnosis, including AC/DC voltage, resistance, and continuity. Students perform accurate measurements on live and de-energised circuits.

Lesson 4 • Systematic Fault-Finding Methodology

Establishes a structured diagnostic process from symptom verification to confirmed repair. Prevents random-part replacement and builds professional diagnostic habits.

Lesson 1 • Parasitic Current Drain Testing

Teaches the procedure for measuring and isolating excessive key-off current draw. Students identify the circuit responsible for draining the battery during vehicle storage.

Lesson 2 • Battery Construction and Chemistry

Explains cell chemistry, plate construction, and electrolyte function in lead-acid batteries. Provides the foundation for understanding battery capacity, ratings, and failure modes.

Lesson 3 • Battery Testing and State of Health

Covers conductance testing, load testing, and open-circuit voltage interpretation. Students determine whether a battery should be recharged, replaced, or returned to service.

Lesson 4 • Alternator Operation and Output Testing

Explains three-phase AC generation, rectification, and voltage regulation in alternators. Students test output voltage, ripple, and current to confirm charging system health.

Lesson 1 • Ignition System Types and Components

Compares distributor, distributorless, and coil-on-plug ignition architectures. Students identify components and understand how each system generates and delivers spark.

Lesson 2 • Immobiliser and Start-Enable Systems

Explains transponder key, immobiliser module, and start-enable relay operation. Students diagnose security-related no-start conditions using scan tool and key programming procedures.

Lesson 3 • Ignition System Testing and Fault Diagnosis

Covers spark output testing, coil resistance checks, and crankshaft sensor signal analysis. Students diagnose misfire and no-start faults using oscilloscope and scan tool data.

Lesson 4 • Starting Circuit Testing and Diagnosis

Applies voltage drop and current draw testing to the complete starting circuit. Students isolate faults in cables, solenoids, relays, and the starter motor itself.

Lesson 1 • Wiper and Washer System Diagnosis

Explains wiper motor, park switch, and intermittent relay operation. Students diagnose inoperative, continuous, or non-parking wiper faults systematically.

Lesson 2 • Power Window and Door Lock Systems

Covers motor, switch, and BCM control of power windows and central locking. Students isolate faults to the motor, switch, wiring, or control module.

Lesson 3 • Body Control Module Functions and Programming

Explains BCM architecture, input/output mapping, and configuration requirements. Students use scan tools to read BCM data, clear faults, and perform basic programming.

Lesson 4 • Horn, Heated Elements, and Auxiliary Circuits

Covers horn relay circuits, heated seat and mirror elements, and auxiliary power outlets. Students test resistance, continuity, and control signals in comfort and convenience circuits.

Lesson 1 • Fuel Injector and Actuator Testing

Covers injector resistance, balance testing, and injector driver circuit diagnosis. Students also test idle air control, EGR, and variable valve timing actuators.

Lesson 2 • Oxygen and Exhaust Gas Sensors

Explains narrowband and wideband oxygen sensor operation and their role in fuel control. Students test sensor switching speed, heater circuit, and wideband current output.

Lesson 3 • Temperature and Pressure Sensor Diagnosis

Covers NTC thermistor, MAP, and MAF sensor operation and testing methods. Students interpret voltage and frequency signals to confirm sensor accuracy or identify failure.

Lesson 4 • Knock, Speed, and Position Sensor Diagnosis

Explains piezoelectric knock sensors, reluctor wheel speed sensors, and Hall-effect position sensors. Students capture and evaluate waveforms to confirm correct signal generation.

Lesson 1 • LIN, MOST, and FlexRay Networks

Covers single-wire LIN bus, optical MOST, and high-speed FlexRay network characteristics. Students identify which network serves each vehicle system and apply appropriate test methods.

Lesson 2 • Network Fault Diagnosis and Bus Testing

Applies oscilloscope and scan tool network analysis to isolate bus faults and missing modules. Students distinguish open, short, and termination faults from module failures.

Lesson 3 • Advanced Driver Assistance System Wiring

Covers radar, camera, and ultrasonic sensor wiring and calibration requirements. Students identify electrical faults in ADAS circuits and understand calibration prerequisites.

Lesson 4 • CAN Bus Architecture and Operation

Explains CAN high/low differential signalling, bus topology, and termination resistors. Students measure bus voltage and resistance to confirm network integrity.