Disconnecting the negative battery cable of the system battery
Prerequisite
Ignition is switched off.
WARNING:
Deactivate the 12-V electrical system
.
Risk of short circuits! Risk of fire!
Risk of short circuits! Risk of fire!
- Make sure that there is no battery charger connected to the jump start terminal in the engine compartment.
- For vehicles with additional electrical systems (48 V electrical system, high-voltage vehicle electrical system), this absolutely must be deactivated before the vehicle battery is disconnected.
- Slacken nut (1).NOTE: RISK OF DAMAGE
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS) .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults .- Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.
- Detach the negative battery terminal including the intelligent battery sensor (2) from the negative battery terminal.
- Put the battery ground lead to one side and secure it.