System Components
Convertible Top
The electrohydraulic convertible top can be opened and closed fully automatically.
Opening or closing the convertible top takes approximately 22 seconds. If necessary it
may also be activated when moving at low speeds (up to 40 km/h or 25mph).
This involves moving the convertible top by means of a hydraulic cylinders. An electric
motor unlocks the convertible top from and locks it to the windshield cowl.
After it has opened, the convertible top is stored in the top storage compartment. The top
storage compartment lid then closes automatically. The convertible top can be operated
via 2 buttons in the center console switch cluster.
Position Sensors and Microswitches
The sensors
for
the convertible top module (CVM) are composed of:
• 8 Hall sensors supply signals to the convertible top module (CVM). The CVM moni-
tors these sensors and determines the position of the convertible top.
• 1 microswitch to determine trunk partition position.
• 1 incremental sensor is a magneto resistive sensor mounted on the locking motor
and monitors the locking mechanisms position.
25
E88 Complete Vehicle
Convertible top and hydraulic pump circuit.
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