Remove Headunit High (HU-H)
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NOTE:
RISK OF DAMAGE
Damage to the head unit.
The plug connections of the head unit must not be disconnected if the battery is still connected.
Damage to the head unit.
The plug connections of the head unit must not be disconnected if the battery is still connected.
- Disconnect all batteries.
NOTE:
RISK OF DAMAGE
Damage to the head unit.
The hard disk of the head unit can be damaged by vibrations.
Damage to the head unit.
The hard disk of the head unit can be damaged by vibrations.
- Carry out mechanical work on the head unit and adjacent components with care.
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:
RISK OF DAMAGE
Sensitive fiber-optic conductor/fiber optic cable.
Damaged fiber-optic conductors/fiber optic cables can mean that light does not reach the LED or that information/signals do not arrive.
Sensitive fiber-optic conductor/fiber optic cable.
Damaged fiber-optic conductors/fiber optic cables can mean that light does not reach the LED or that information/signals do not arrive.
- Do not bend or kink the fiber-optic conductors/fiber optic cables too much. The minimum permitted bending radius is 25 mm.
- Avoid pressure and tensile loads as well as influence of heat on the fiber-optic conductor/fiber optic cable.
Preliminary work
- Refer to DEACTIVATING THE 48 V ELECTRICAL SYSTEM .
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to REMOVING THE SIDE PANEL ON THE RIGHT DASHBOARD .
- Refer to REMOVING THE DECORATIVE STRIP ON THE RIGHT DASHBOARD .
- Refer to REMOVING THE RADIO OPERATING UNIT AND THE AIR CONDITIONING CONTROL PANEL .
- Loosen the screws (1) and pull the head unit (2) out of the dashboard.NOTE: RISK OF DAMAGE
Damage to the instrument cluster (KOMBI) or the head unit
A ground offset can occur when releasing and connecting the cables. This can generate currents that render the instrument cluster (KOMBI) or the head unit unusable.- When releasing: First release the APIX data cable (blue).
- When connecting: Connect the APIX data cable (blue) last.
- Unlock and disconnect all the connectors in the marked areas at the head unit (1) in the correct disassembly sequence.
- Unlock the detent (1) and remove the cable clip (2).
- Unlock and disconnect connector (3).
- Remove head unit (4).