Power Control System: Service and Repair

61 25 900 Disconnect High-Voltage System From Power







WARNING: High-voltage system - danger to life.







WARNING:
The following points must be strictly observed prior to starting work:
- Observe safety information for handling with hybrid cars







Necessary preliminary tasks:
Remove luggage compartment floor trim panel.







IMPORTANT: Before disconnecting the Service Disconnect (high-voltage safety switch), the ignition must be switched off.

Unlock and disconnect Service Disconnect (1).







WARNING: Secure Service Disconnect (1) with a padlock (2) to prevent it from being switched back on inadvertently.







WARNING:
Mandatory steps prior to carrying out further repair work:
- Ensure instrument panel is disconnected from power supply (zero voltage)
- Pay attention to active high-voltage warnings (indicator light, check control, etc.), determine cause and correct problem.

WARNING:
Danger to life.
It is impermissible to begin work if zero voltage cannot be clearly detected in the instrument panel or via the diagnostic interface. Danger to life.
Before work begins, a qualified, certified electrician must verify that the system has been disconnected from the power supply (1000 VAC) using appropriate measuring devices and procedures.
In this case, Technical Support must be contacted.