Audi A6 Typ 4G: Safety Precautions
Pay attention to the following to avoid personal injury and vehicle damage:
WARNING
Risk of injury and accident by accidentally engaging a gear with the engine running.
Shift the transmission into "P" and set the parking brake to lock the electro-mechanical parking brake before working on a running engine.
Danger of poisonous exhaust gas with the engine running.
When engine is running, an exhaust extracting system must always be connected to the exhaust system.
Safety Precautions, Vehicles with Start/Stop System
WARNING
Risk of injury if the engine starts automatically in vehicles with a Start/Stop System.
- For vehicles with an activated Start/Stop System (recognizable from a notification in the instrument cluster), the engine can be started automatically if needed.
- Make sure the Start/Stop system is deactivated when working on the vehicle (turn off ignition and turn the ignition back on if needed).
To prevent personal injury, damage or destruction of electrical and electronic components, observe the following:
- Only connect and disconnect test equipment when the ignition is off.
Caution
Risk of destroying electronic components when disconnecting the battery.
- Follow the steps when disconnecting the battery.
- Always turn off the ignition before disconnecting the battery.
- Disconnect the battery. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.
Pay attention to the following if testing equipment must be used during a road test:
WARNING
There is a risk of an accident due to distractions and improperly secured testing equipment.
The front passenger airbag poses a risk if it deploys during an accident.
- Operating testing equipment while driving is a distraction.
- Testing equipment that is not secured properly increases the risk of personal injury.
Always secure testing equipment to the rear seat with a strap and have a second technician operate it in the rear seat.
Safety Precautions when Working on High-Voltage Vehicles
Safety Precautions for De-Energizing the Voltage in the High-Voltage System
- The high-voltage system may only be turned off by qualified personnel (Audi high-voltage technician). Definition and explanation of qualifications. Refer to → Electrical System Hybrid; Rep. Gr.93; High Voltage System General Warnings..
- Before beginning any work on high-voltage systems, the high-voltage system must be turned off. Refer to the individual repair procedure on how to de-energize the high-voltage system. Additional information regarding the disabling of the high-voltage system: Refer to → Electrical System Hybrid; Rep. Gr.93; High Voltage System, De-Energizing.
- All additional warning messages and instructions must be observed when working with high-voltage systems. Refer to → Electrical System Hybrid; Rep. Gr.93; High Voltage System General Warnings.
Note
For concerns or questions about the concepts see persons with "special training in electrical systems", "Audi high-voltage technicians", "Audi subject specialists for work on high-voltage systems" or speak with the corresponding importer about questions before beginning any work on the high-voltage system.
For work during which the voltage must be de-energized.
Turning off the voltage in the high-voltage system is carried out exclusively via the Guided Fault Finding on the Vehicle Diagnostic Tester.
DANGER!
Extremely dangerous high-voltage
Electrocution can cause death or severe bodily injury.
- The high-voltage system may only be turned off by qualified personnel (Audi high-voltage technician).
- It must be certain that the high-voltage system is de-energized. The de-energized state is guaranteed only on the Vehicle Diagnostic Tester via "Guided Fault Finding".
- The qualified technician (Audi high-voltage technician) will make sure the voltage is turned off and that the system cannot turn back on again using a Service Disconnect Lock - T40262-. The qualified technician should make sure the system cannot turn on again by keeping the key and the High-Voltage System Maintenance Connector -TW- in a safe place.
- The qualified personnel (Audi high-voltage technician) marks the vehicle with a warning label.
Safety Precautions for Re-Energizing the High-Voltage System
- The high-voltage system may only be re-energized by qualified personnel (Audi high-voltage technician). Definition and explanation of qualifications. Refer to → Electrical System Hybrid; Rep. Gr.93; High Voltage System General Warnings..
- Energizing the high-voltage system. Refer to → Electrical System Hybrid; Rep. Gr.93; High Voltage System, Re-Energizing.
- All additional warning messages and instructions must be observed when working with high-voltage systems. Refer to → Electrical System Hybrid; Rep. Gr.93; High Voltage System General Warnings.
Note
For concerns or questions about the concepts see persons with "special training in electrical systems", "Audi high-voltage technicians", "Audi subject specialists for work on high-voltage systems" or speak with the corresponding importer about questions before beginning any work on the high-voltage system.
Only by using the Guided Fault Finding in the Vehicle Diagnostic Tester can the high-voltage system be restarted.
DANGER!
Extremely dangerous high-voltage
Electrocution can lead to severe bodily injury or death
- The high-voltage system may only be re-energized by qualified personnel (Audi high-voltage technician).
- Only the Vehicle Diagnostic Tester via "Guided Fault Finding" can guarantee if the system has been re-energized.
- The qualified personnel (Audi high-voltage technician) restarts the vehicle.
- The qualified personnel (Audi high-voltage technician) marks the vehicle with a warning label.
