3234307 - E4020 REV COUNTER INSTRUMENT - Description (Smart gearbox)
Description
The module includes the electronic rev counter
an a series of warning lights.The engine management unit (specific to
each engine type) produces an rpm signal. The gauge display is produced
by an electronic circuit inside the module.The following warning lights are
contained in this module:
- left turn signals
- right turn signals
- light failure (check)
- main beam headlamps
- side lights/dipped beams
- rear fog lamps
- fog lights
- 'trailer direction indicators'
- 'SELESPEED failure'
The module also houses the gear display
and the buzzer for signalling problems with the Selespeed system.The rev counter module also contains the
check device for the exterior lights which controls the circuits
for the side and number plate lights, the rear fog lamps and the
brake lights.The operation of the warning lights which
are not included in other functions is illustrated; the others are
described and illustrated in the diagrams dealing with the components
to which they refer.The rev counter operates when the ignition
is switched ON.
In the 'night' conditions (side lights on),
the brightness can be adjusted to 3 levels by an external button.
See E2530 INSTRUMENT LIGHTING
.