Applied Sciences
| Open Access |
DOI: Comparative Analysis of Engine Starting System Architecture in Chevrolet Tracker and Chevrolet Onix Vehicles Based on Practical Electrical Investigation
Arkadiy Yusman , Master’s Degree Student Turin Polytechnic University In Tashkent, UzbekistanAbstract
The increasing integration of electronically coordinated engine control systems in modern passenger vehicles has transformed conventional ignition and engine-starting mechanisms into multi-module mechatronic processes involving synchronized interaction between power distribution units, control modules, relays, and sensor networks [1]. Understanding the operational structure of these systems is essential for both diagnostic applications and the development of auxiliary electronic solutions compatible with original vehicle architectures [2].
This study presents a comparative investigation of the engine starting systems implemented in Chevrolet Tracker and Chevrolet Onix vehicles equipped with the common 1.2 Turbo powertrain platform. The analysis was performed through practical electrical investigation and functional tracing of signal propagation during the engine start sequence. Particular attention was given to the interaction between the Body Control Module (BCM K9), Engine Control Module (ECM K20), ignition control logic, starter relay activation, and battery power routing [3].
The results demonstrate a substantial degree of architectural similarity between both vehicles, confirming the use of a unified General Motors electrical platform. At the same time, several differences were identified in the organization of low-voltage energy storage management, battery monitoring integration, and auxiliary logic modules. These distinctions reflect model-specific adaptations associated with vehicle packaging and electrical energy optimization strategies [4].
The findings provide a clearer understanding of ignition-system behavior in GM compact vehicles and establish an engineering foundation for future development of non-invasive remote engine-start modules and other BCM-integrated automotive electronic solutions [5].
Keywords
Engine starting system, ignition architecture, Chevrolet Tracker
References
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Microchip Technology Inc. Embedded Control Systems Design Guide. 2021.
SAE International. Automotive Starting and Charging System Standards. 2021.
General Motors. Global Vehicle Electrical Architecture Engineering Principles. Technical reference materials.
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Copyright (c) 2026 Arkadiy Yusman
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