Carry out the procedure described in section sec. 6 - 7, Abs disabling function.
Warning
If the vehicle front wheel remains off the ground for a prolonged period while the vehicle is in motion, the speed difference detected between the two wheels causes an abs fault (warning light activated) and makes it impossible for the control unit to establish a reference speed.
Abs system operating information
System componentsExhaust 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 ...
Gear change pedal
When released, the gear change pedal (1, fig. 96)
Automatically returns to rest position n in the centre. This is
indicated by the instrument panel light n (2, fig. 4) Coming on.
The pedal can be moved:
down = press down the pedal to engage the 1st gear and to
shift down. At this point the n ...
Bleeding of the abs hydraulic system
If some "sponginess" is detected on the brake control, due to air bubbles in
the system, bleed the system, as indicated in
sect. 4 - 3, Changing the brake fluid.
Before bleeding a brake pump, move back the calliper pistons, as indicated in
(sect. 4 - 3, Changing the brake fluid) to Drain in ...