Automotive Electrical Systems
Get the full GTU study material, English & Gujarati textbook PDFs, syllabus curriculum, and solved previous year question papers.
English Book & Chapters
English Book Coming Soon
We are working hard to add this material. Stay tuned for updates!
Follow on Instagram for UpdatesGTU Previous Year Papers
Automotive Electrical Systems Syllabus — Unit-wise Content
The official GTU curriculum for Automotive Electrical Systems (subject code 2150208) as prescribed for Auto · Semester 5 divides the course into 8 units, covering 76 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (2150208)Unit 1 Automobile Electrical Systems and electronics system
- Distribution systems & Generation of electric energy
- Lighting system
- 12 Volt & 24 Volt systems
- Insulation and earth (negative and positive earthing) system
- types of cables used
- color codes
- cable connectors
- fuse system
- circuit breakers
- Layout and Wiring diagram for 2, 3 and 4 wheeler vehicles
- Buses and Commercial vehicles
Unit 2 Battery system
- Various Types of Automotive batteries
- Construction & working of lead acid battery
- dry battery & Alkaline battery
- Designations & Rating of Batteries
- Performance tests: Battery Capacity
- Gravimetric test and efficiency
- Battery failures
- Recharging: Electronic circuits
- battery charging current
- charging methodology & precautions
Unit 3 Starting system – Principle, Starting torque, engine resistance torque, and
- power required for starting of engine
- Starter motor and its circuit
- Types of drive mechanisms: bendix drive
- pinion type
- axial sliding armature starter
- Slipping and overrunning of clutches
- automatic switches for starting
- cold starting devices: Glow plug & choke
Unit 4 Charging system – Need. Charging circuit, Types of charging system
- AC dynamo
- flywheel magneto charging system and Alternator (more emphasis on Alternators)
- Charging system controlling & regulator system: Relay/cut-out
- voltage and current regulator
- compensated voltage and current regulator
- electronic regulator
- regulator characteristics
- Drive for Charging system
Unit 5 Ignition system – Requirements. Types of Ignition systems
- Ballast Resistance
- Ignition coil characteristics
- Cam angle & contact angle gap, spark advance mechanism
- spark plug
- ignition timing
- multi-cylinder distributor
- Distributor (contact breaker ignition system)
- limitations of coil ignition system
- electronic ignition systems
- Voltage and current required for Spark
- plug fouling
Unit 6 Lighting system- Lighting system of vehicle, head lamp, tail lamp, brake
- parking lamp etc, other types of lamps used
- Reflector purpose and design
- head lamp angle and position
- fog lamp
- side indicator lamp
- warning lights and flashers
- instrument panel lights
- body interior lights
- Safety indicator lights
- Engine compartment & Rear boot lamps
Unit 7 Horns- AC & DC horns, wind tone horn/air horns, electronic horn, reverse
- Horn relay
- Warning Buzzer
- Sensors - Instrument Cluster panel
- fuel gauges
- oil temperature gauge
- warning light sensors
- coolant temperature gauge
- trip meter
- oil level indicator
- parking brake indictor
- direction indicators
Unit 8 Electrical Equipments & Accessories - Windscreen wipers, windscreen
- power windows
- doors locks
- Rear wind shield glass heating system
- Rear view mirror Adjusting
- Day light regulating system
- Central Locking system
- Convertible Mechanism
Study on Android App:
