Maintenance & Service - III
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Follow on Instagram for UpdatesMaintenance & Service - III Syllabus — Unit-wise Content
The official GTU curriculum for Maintenance & Service - III (subject code DI04002031) as prescribed for COMPUTER · Semester 4 divides the course into 4 units, covering 17 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 (DI04002031)Unit 1 Automotive Battery 1.1 Battery Maintenance and safety precautions
- - Precaution steps taken while servicing battery. - Visually inspect for damage or corrosion. - Cleaning of battery terminals and connectors. - Topping up electrolyte (for lead acid battery) 1.2 Battery diagnosis and troubleshooting: - Identifying common battery-related issues. - Symptoms of a weak or faulty battery. - Diagnosing battery drain or parasitic draw. - Different trouble causes and remedies of the battery. 1.3 Battery Testing: - Various terminology is used for battery testing. - Voltage measurement using a multimeter
- Load test
- Hydrometer test
- Cadmium test. - Testing via battery analyzer. - Interpreting battery test results. 1.4 Battery Charging and jump start: - Various charging processes and their use. - Step-by-step process of connecting jumper cables correctly and safely
Unit 2 Automotive Ignition system 2.1 Maintenance of ignition system
- - Periodic maintenance of ignition system
- (Spark plugs
- ignition coil
- control module
- wiring system
- triggering devices) - Safety precaution during Maintenance and service of ignition system. 2.2 Diagnosis of ignition system: Program Name: Diploma Engineering Level: Diploma Branch: Automobile Engineering Subject Code: DI04002031 Subject Name: Maintenance & Service - III w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page no. 3 of 8 - Diagnostic Procedures for Identifying Ignition System Faults. - Troubleshooting Common Ignition System Issues and their remedies. 2.3 Testing of ignition systems: - Checking and setting ignition timing. - Testing of ignition system using oscilloscope. - Testing of all components of ignition system. - Testing of spark plug. - Interpreting various test results. 2.4 Recycling and disposal of Ignition system
Unit 3 Automotive Starting system
- 3.1 Maintenance of Starting system. - Safety precaution during Maintenance and service of Starting system. 3.2 Diagnosis of Starting system - Diagnostic Procedures for Identifying Starting System Faults. - Troubleshooting Procedure and starting system problem with remedies and action plan. 3.3 Testing of Starting system - Visual inspection test. - Control circuit test. - Starter circuit voltage drop test. - Starter amperage test. - Starter motor field coil
- growler armature and runout test. 3.4 Overhauling of starting system. - Disassembly and assembly with precise safety of starting system components. - Proper inspection and testing of each component i.e. solenoid
- drive clearance
- brush inspection
- bench test. 3.5 Recycling and disposal of starting system
Unit 4 Automotive Charging system
- 4.1 Maintenance of Charging system - Safety precaution during Maintenance and service of charging system. 4.2 Diagnosis of charging system. - Diagnostic Procedures for Identifying Charging System Faults. - Troubleshooting Procedure and charging system problem with remedies and action plan
- Program Name: Diploma Engineering Level: Diploma Branch: Automobile Engineering Subject Code: DI04002031 Subject Name: Maintenance & Service - III w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page no. 4 of 8