Part 1:
Necessary preliminary tasks:
• Read out fault memory of DME control unit.
• Check stored fault messages.
• Switch off ignition
Disconnecting and connecting battery
Important!
Disconnect battery:
Switch off ignition.
Following safety instructions for handling vehicle battery.
Note:
If the ignition is not switched off when the battery is disconnected, some control units may store a fault.
If the repair instructions for reasons of safety contain a specific instruction to disconnect the battery before carrying out a specific operation, always follow this instruction.
The battery is stored in the boot of the car. Using your socket set remove the negative battery terminal from the battery. Don’t shut the boot!!! Otherwise you will be crawling through the car to reconnect the battery to open the boot. Leave it open during the service.
Connecting up battery:
Reverse the procedure above.
Reset clock.
Initialize power windows. (Later I’ll show how to do this)
[...] Part 1 [...]
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