Removing the DME control unit
WARNING:
Working on 12 V electrical system
Risk of short circuits! Risk of fire!
Risk of short circuits! Risk of fire!
- Make sure that there is no charger connected to the jump start terminal in the engine compartment
- Detach battery ground lead from battery
- For auxiliary batteries: Detach battery minus cables from all auxiliary batteries
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
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. Do not pry off using a tool
Preliminary work
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to REMOVING SUSPENSION STRUT BRACE .
- Refer to REMOVING THE COVER FOR THE DME CONTROL UNIT .
NOTE:
RISK OF DAMAGE
Electrostatic discharge
Damage to or destruction of electrical components
Electrostatic discharge
Damage to or destruction of electrical components
- Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away
- Read and comply with user information on using the associated special tool 12 7 060
- Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly
- Wear electrically conductive clothing and antistatic shoes (with ESD symbol)
- For additional information see: 61 35... NOTES on ESD (electrostatic discharge) protection
NOTE:
TECHNICAL INFORMATION
Follow instructions for removing and installing control units
For ADDITIONAL INFORMATION see: 12 00... Notes on removal and installation of control units
Follow instructions for removing and installing control units
For ADDITIONAL INFORMATION see: 12 00... Notes on removal and installation of control units
NOTE:
TECHNICAL INFORMATION
In a warranty case, you must always provide a fault memory printout with the defective part, even if the fault memory does not contain an entry
In a warranty case, you must always provide a fault memory printout with the defective part, even if the fault memory does not contain an entry
NOTE:
TECHNICAL INFORMATION
Control unit must be programed after it is replaced
For ADDITIONAL INFORMATION see: 61 00... Programming/coding control unit(s)
Control unit must be programed after it is replaced
For ADDITIONAL INFORMATION see: 61 00... Programming/coding control unit(s)
NOTE:
TECHNICAL INFORMATION
If control units are disconnected, fault memory entries and functional limitations may occur
The fault memory entries must be read out and, if necessary, deleted
If control units are disconnected, fault memory entries and functional limitations may occur
The fault memory entries must be read out and, if necessary, deleted
- Unlock plug connections (1) and disconnect
- Unlock plug connections (1) and disconnect
- Unlock the locks (1)
- Guide out and remove the DME control unit (2) in the arrow direction