5
MODIFICATIONS TO THE ELECTRICAL INSTALLATION
Modifications to the electrical installation from chassis number 0E473500
3-42
Starting position: door unlocked (see
drawing).
-
The door is locked using the button/key.
The mechanical linkage reverses the upper
switch directly. As a result, a current will
flow through the fuse (E026), the
connection (30b), the motor, the lower
switch and the upper switch through
connection 31 to earth. The mechanical
linkage between the motor and unlock
button will move the button down.
Having reached the lower position, the
“stroke end” switch reverses.
The same occurs during unlocking. The
direction of rotation of the motor is the
same. The position of the switches is
different, however. The power between
motor/lock button is transmitted through a
lever/connecting rod mechanism.
-
The door is locked using the switch (C774).
If the spring-loaded switch (C774) makes a
connection between connections 5/3 and 7,
point DL of (B200) is connected to earth.
One brief moment is sufficient to start the
motor moving. Because there is a
mechanical linkage between the motor and
the lock button, the upper switch will
reverse immediately afterwards. A current
will flow until the “stroke-end” switch breaks
the circuit.
-
The door is unlocked using the switch
(C774). To this end, connection DO is briefly
connected to earth. The action is the same,
except that the switches resume their other
position once the locking button has moved
upwards.
Variants:
Location
36 If the standard version is installed, the
driver’s side central door locking (B199) and
the central door locking electronic unit
(D862) will also not be installed. In that case
cascade G723 is placed on connector 394,
and switch C774 replaces switch C803.
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