Volkswagen ID.4: De-energising high-voltage system

De-energising high-voltage system

DANGER

High voltage can cause fatal injury.

Danger of severe or fatal injuries from electric shock or electric arcs.

• Have a high-voltage technician (HVT) or a high-voltage expert (HVE) de-energise the high-voltage system.

Important

• If problems occur during the de-energisation procedure, always inform the high-voltage expert.

• Have a calibrated voltage tester with suitable test probes ready.
• Prepare signage and barrier.
• De-energise high-voltage system using ⇒ Vehicle diagnostic tester ⇒ Rep. gr. 00 ; Access to diagnoses .

Re-energise high-voltage system

Re-energising high-voltage system

WARNING

High voltage can cause fatal injury.

Danger of severe or fatal injuries from electric shock or electric arcs.

• Have a high-voltage technician (HVT) or a high-voltage expert (HVE) re-energise the high-voltage system.

• Check potential equalisation line.

• Visually inspect insulation of detached potential equalisation line.
• Verify specified torque of loosened threaded connections for potential equalisation line.

•  Re-energise high-voltage system using ⇒ Vehicle diagnostic tester ⇒ Rep. gr. 00 ; Access to diagnoses .

Motor control unitPotential equalisation lines