This comprehensive PDF file contains the official VAG Self-Study Program 627 (SSP 627), a technical training manual dedicated to the engineering and mechanics behind the Audi A3 Sportback e-tron (Type 8V). Developed as a fully integrated plug-in hybrid mobility solution, the A3 e-tron represents a significant leap in Audi’s e-mobility lineup. This document is a must-read resource for VAG technicians, diagnostic specialists, and automotive engineers seeking to understand how Audi seamlessly merged traditional combustion power with a high-voltage electric drive system.
Please note: As a Self-Study Program, this manual focuses on operational theory, structural design, and basic knowledge of new vehicle components. It is not a step-by-step physical repair or Workshop Manual, though the theoretical knowledge it provides is crucial for diagnosing complex hybrid powertrain or high-voltage faults.
This detailed technical training manual covers the following key hybrid engineering topics:
- Hybrid Powertrain Integration: A deep dive into how the traditional internal combustion engine works in tandem with the electric motor. It details the mechanical connections, including the clutch systems that allow the vehicle to seamlessly transition between all-electric drive, combustion drive, or a combined boost mode.
- High-Voltage Battery and Electrical Architecture: Exploring the core of the e-tron system. The manual outlines the physical layout, capacity, and thermal management of the high-voltage battery pack. It also explains the power electronics that convert direct current (DC) from the battery into alternating current (AC) for the 75 kW electric motor, and vice versa during regenerative braking.
- Charging Systems: A complete breakdown of the onboard charging infrastructure, detailing how the vehicle connects to external power sources to replenish the high-voltage battery for its all-electric driving range.
- Thermal Management: Managing temperature in a hybrid is complex. The manual maps out the dual cooling circuits required to maintain optimal operating temperatures for the combustion engine, the high-voltage battery, and the power electronics, ensuring peak efficiency and longevity.
Whether you need to study the interaction between the hybrid clutch components, understand the high-voltage safety disconnect procedures, or diagnose the thermal management system, SSP 627 provides the definitive technical overview for the Audi A3 e-tron.
CONTENTS
- Introduction
- Vehicle distinguishing features
- In brief
- Safety instructions
- Electrical safety rules
- Warning signs
- Drive unit
- Specifications
- Internal combustion engine
- Fuel system
- Power transmission
- Overview
- Gearbox modules
- Suspension
- Overview
- Electro-mechanical brake servo
- Brake system pressure accumulator VX70
- High-voltage battery
- Overview of hybrid components
- Hybrid battery unit AX1
- Electric drive power and control electronics module JX1
- Charging
- High-voltage lines
- Electrical AC compressor V470
- High-voltage heater (PTC) Z115
- Maintenance connector TW
- Hybrid manager
- Air conditioning
- Cooling systems, air conditioning and thermal management
- Stationary air conditioning
- Infotainment
- Overview of versions
- Audi connect (depending on market)
- Audi connect e-tron services (depending on market)
- Audi connect (depending on market)
- Control unit for emergency call module and communication unit J949
- Displays and controls
- Exterior sound
- Electric drive button E656
- Display elements for driving in hybrid mode
- Service
- Inspection and maintenance
- Special tools and workshop equipment
- Annex
- Test your knowledge
- Self Study Programmes
Language: English
Format: PDF
Pages: 72
Self Study Program 627 – Audi A3 Sportback e-tron (Type 8V) PDF free online
