
Disconnect the rear abs sensor (5) connector (c) from the main electric wiring.
Open all the retainer clamps of the rear abs sensor cable (5): refer to table of sect. 7 - 6, Flexible wiring/hoses positioning.

Remove the rear abs sensor (5) from its seat on the rear calliper mounting bracket (e), undoing the retaining screw (1) and collect the calibrated gasket (3).

Before refitting, make sure that the contact parts between the rear abs sensor (5) and its seat are not damaged and are perfectly clean.
Fit the new rear abs sensor (5) on its seat inserting the screw (1).
Check the air gap between the new rear abs sensor (5) and the rear phonic wheel (d) as indicated in sect. 7 - 7, Adjusting of the air-gap phonic wheel sensor.
Fix the sensor to the calliper holder bracket tightening the screw (1) to a torque of 10 nm +/- 10% (sect. 3 - 3, Frame torque settings).

Connect the connector (c) to the main wiring.
Restore all the retainer clamps of the rear abs sensor cable (5): refer to table of sect. 7 - 6, Flexible wiring/hoses positioning.


Replacing the front phonic wheel sensor
Removing of the abs control unitWiring diagram colour codes
B blue
Bk black
Bn brown
G green
Gr grey
Lb light blue
O orange
P pink
R red
V violet
W white
Y yellow
Rear left fuse box (1) key
Rear right fuse box (2) key
...
Horn not working
Fault codes
Dds: horn diagnosis -> short circuit to ground (s.C. Gnd).
Dashboard: the error "claxon" (horn) is shown on the service display. The eobd
warning light activates.
Wiring diagram
Db dashboard connection, s horn button. 5 Blue/white - b/w, 1 red/blue - r/b,
db 19 purple/bl ...
Removing the valves
Raise the rocker arm (3) and remove the opening shim (5) from the valves with
a pair of pliers.
Push down the closing rocker arms (16) and (4) and the closing shim (7).
Remove the half rings (6) from the valves with a magnetic screwdriver. Extract
the closing shims (7) from the valve ...