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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 653 (2.0L - Engine Cooling System - Engine Code(S): CAEB, CHJA, CPMA & CPMB) >> 19 Cooling System >> Cooling System/Coolant >> Coolant, Draining And Filling >> Coolant, Draining And Filling, Hybrid Vehicles >> Notes

Coolant, Draining And Filling, Hybrid Vehicles: Notes

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On hybrid vehicles 

Follow all warnings when working on a vehicle with a high voltage system, refer to HIGH VOLTAGE VEHICLES SAFETY PRECAUTIONS , HIGH VOLTAGE SYSTEM GENERAL WARNINGS and WORKING ON HIGH VOLTAGE VEHICLES .

Working near high voltage components is necessary for the following procedure, "Check for damage to the high voltage components and cables" Refer to HIGH VOLTAGE COMPONENTS AND CABLES, VISUAL INSPECTION FOR DAMAGE , HIGH VOLTAGE SYSTEM GENERAL WARNINGS and WORKING ON HIGH VOLTAGE VEHICLES

WARNING:

The engine could start unexpectedly.

For general work performed on the high voltage system the ignition must be switched off and the key must be kept outside of the vehicle interior.

WARNING:

Handling the high voltage cables:

  • Do not stand on or place tools on the high voltage cables or their components. This may damage the insulation.
  • Do not bend or kink high voltage cables as this may damage the insulation.
  • The round high voltage connectors are color coded with an exterior colored ring and mechanically coded with guide or code tabs. Observe the coding when connecting the round high voltage connector in order to avoid mechanical damage to the high voltage connector.
CAUTION:

High voltage components have hazardous voltage.

Note the following when working near high voltage components and high voltage cables:

  • Cutting, deformed, and sharp edged tools or heat sources such as welding, solder, hot air and thermal glue are forbidden.
  • Visually inspect the work area before working on high voltage components.
  • When working in the engine compartment, perform a visual inspection of the Electric Drive Power and Control Electronics -JX1-, the Electro-Drive Drive Motor -V141-, the Electrical A/C Compressor -V470- and the high voltage cables.
  • Visually inspect the high voltage cables and the covers when working on the underbody.
  • Visually inspect the high voltage cables and the electronics box with the High Voltage System Maintenance Connector - TW- when working in the rear area of the vehicle.
  • Visually inspect all potential equalization cables.

Observe the following when performing the visual inspection:

  • None of the components appear to have any external damage.
  • The high voltage cable insulation and the potential equalization cable insulation are not damaged.
  • The high voltage cables must not have any unusual deformations.
  • Each high voltage component must be marked with a red warning label.

Special tools and workshop equipment required 

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