Fault codes
Dds: stop light diagnosis -> stop light error (generic stop light malfunction indication).
Dashboard: the error "stop light" is shown on the service display. The eobd warning light activates.
Wiring diagram

Db dashboard connection, bbs bbs unit connection, a front brake button, p rear brake button, l stop light. A key on power (+15 from hands free relay 30), db 4 grey/red - gr/r, the switch cable connected to a via the fuse is black - bk, bbs 6 grey/red - gr/r, ground on stop light, black - bk.
Location of connections and components

Rear running light and stop light connection.

Front brake button mounted near lever operating brake pump.

Rear brake button mounted near lever operating brake pump. The button is normally closed (when the brake lever does not press on the button because it has been pressed by enough to cause a braking effect, the contacts close, short circuiting the contacts).

Pin numbering for wiring harness side dashboard connector.

Pin numbering of wiring harness side bbs unit connection.
Abs disabled information not displayed
Exhaust by-pass valve not working correctlyFuel, lubricants and other fluids
Important
Do not use additives in fuel or lubricants.
Engine oil
A good quality engine oil has special properties. Use only a highly detergent
engine oil with certified se, sf or sg or
higher service ratings as marked on the container.
Viscosity
Sae 15w-50
The other viscosity grades ...
Rh switch
Red on/off switch.
Black engine start button.
The switch (1) has three positions:
Centre: run off. In this position, the engine cannot be
started and all electronic devices are off.
Pushed down: on/off. In this position, the system can
be turned on (key-on) and off (key-off).
Pus ...
Exhaust by-pass valve not working correctly
Fault codes
Dds: exvl diagnosis -> position error, potentiometer, short circuit to ground
or open circuit (s.C. Gnd or c.O.),
Potentiometer short circuited to vdc (potentiometer s.C vdc).
Dashboard: the error "exvl" (exhaust bypass valve) is shown on the service
display. The eobd warning ...