APRILIA SR MAX 125 ie Service Station Manual page 195

SR MAX 125 ie
With the engine running at idle speed, check that
the voltage oscillates between 0V and 1V
With the throttle valve completely open, the volt-
age is approx. 1V.
During the closing phase, the voltage is approx.
0V.
If the voltage remains constant, the sensor may be
damaged. Remove the sensor and check that
there are no oil or carbon deposits inside it..
1
2
3
4
5
6 Injection load remote control
7
8
9
10
11 Electric fan remote control
The lambda probe or oxygen sensor is a sensor which provides information about the oxygen content
in the exhaust fumes. The signal generated is not of the proportional but of the ON/OFF type, i.e. whether
there is oxygen or not. The probe is positioned on the exhaust manifold before the catalytic converter
INJECTION LOADS
Specification
Battery
Fuse
Fuse
Ignition key contacts
Fuse
Fuel pump
HV coil
Fuel injector
Lambda Probe
Injection
Desc./Quantity
12V - 12 Ah
10 A
15 A
7.5 A
INJEC - 195