Installation
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Installation instructions
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SCANIA Interlock
®
7x00
23
Ensure that all control unit cables, as well as newly established electrical
connections to the vehicle, are firmly attached and are not exposed to any
tensile stress following installation.
Dräger recommends bundling the control unit cables, e.g. with duct tape, to
ensure they do not hang loose and thus preventing any manipulation.
4.4.1
Identifying Terminal 15 in the vehicle for Interlock
installation
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Remove the cover or upholstered panels to gain access to the vehicle
wiring.
Identifying Terminal 15 in the vehicle for Interlock installation:
– Constant (no switched positive from the ignition start switch),
– No run-on on Terminal 15 (e.g., if the ignition is off, the voltage on
Terminal 15 must also switch off immediately and not remain active),
– No Terminal 15r (Wake-up) (e.g., no switch-off of the signal on Terminal
15 after a short time).
Optional:
If a constant Terminal 15 without run-on cannot be clearly identified or there
are no more switched positives available, then a CAN Bus adapter can be
used to generate terminal 15 for vehicles with CAN Bus control.
The required Terminal 15 must be a constant, continuous positive voltage
without run-on.
4.4.2
Disconnecting the vehicle battery
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Disconnect battery earth lead before further work.
Disconnecting the vehicle battery may erase battery-dependent device
settings (e.g. the theft code for the radio or the preset stations). On some
vehicles, disconnecting the vehicle battery may turn the airbag light on,
which can then only be turned off by the vehicle manufacturer.
