APRILIA SCARABEO 500 - 2008, Service Station Manual

Page: 233 / 324

C see whether the malfunction can be fixed by slightly shaking the connector.
3 Check the entire system carefully before replacing the MIU control unit. If the fault is still present after
the MIU control unit is replaced, install the original control unit again and check whether the fault occurs
again.
4 Use a multimeter with an internal resistance over 10K Ohm /V when troubleshooting. Do not use
unsuitable instruments as they may damage the MIU control unit. Instruments with definitions over 0.1V
and 0.5 W must be used. Precision must be greater than 2%.
Terminals setup
TERMINAL LAYOUT
Specification Desc./Quantity
1 Injection warning light
2 -
3 -
4 - lambda probe
5 + live battery
6 + Battery
7 -
8 Electric fan remote control
9 Water Temperature Sensor
10 -
11 + lambda probe
12 Engine stop switch
13 Engine revolution sensor (+)
14 Fuel injector
15 Engine revolution sensor (-)
16 Diagnosis output
17 -
18 side stand
19 -
20 Injection load remote control
21 -
22 HV coil
SCARABEO 500
Injection
INJEC - 233