Removing the DME control unit
WARNING:
High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
- All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
- For additional information see:
- For additional information see:
NOTE:
TECHNICAL INFORMATION
With the ignition off and the high-voltage safety plug disconnected, the Check Control message "High voltage system faulty" is displayed by default.
The message "High-voltage system switched off" (absence of voltage) is only displayed when the ignition is switched on.
With the ignition off and the high-voltage safety plug disconnected, the Check Control message "High voltage system faulty" is displayed by default.
The message "High-voltage system switched off" (absence of voltage) is only displayed when the ignition is switched on.
Preliminary work
- Refer to REMOVING THE FLAP IN THE RIGHT-HAND LUGGAGE COMPARTMENT TRIM PANEL .
- Refer to DE-ENERGIZING THE HIGH-VOLTAGE SYSTEM .
- Refer to CHECKING THAT NO VOLTAGE IS APPLIED .
- Refer to DISCONNECTING THE NEGATIVE BATTERY CABLE .
- Refer to DISCONNECTING THE NEGATIVE BATTERY CABLE OF THE VEHICLE BATTERY .
- Refer to REMOVING THE ACOUSTIC COVER .
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 ELECTRO STATIC DISCHARGE PROTECTION
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
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
Disconnecting control units may cause fault code entries and functional limitations. Fault code entries must be read out and deleted if necessary.
Disconnecting control units may cause fault code entries and functional limitations. Fault code entries must be read out and deleted if necessary.
- Unclip the cover (1) from the holders in the indicated area towards the top.
- Unlock and loosen connector (1).
- Unlock and loosen connector (2).
- Unlock and loosen all connectors (1).
- Unlock and loosen all connectors (2) in the direction of the arrow.
- Unlock lock (arrows).
- Guide out and remove DME control unit (1).