Gilera 633721 Workshop Manual page 264

Injection
4-23 =
Ω infinite (>1MΩ)
22-23 =
Ω infinite (>1MΩ)
YES go to 15 NO go to 14
14 - Repair or replace the wiring.
Check the air temperature lines and the throttle
valve position.
YES go to 13
15 - Connect the special tool to the control unit.
Set the switch to "ON" with switch to "RUN" and
side stand raised.
YES go to 16
Specific tooling
020481Y Control unit interface wiring
16 - Measure voltage at terminals 4 and 22;
1
2
3
4
5
6
YES go to 21 NO go to 17
17
INJEC - 264
TEMPERATURE VOLTAGE
Specification
X V
X V
X V
X V
X V
X V
Nexus 500 euro 3
Desc./Quantity
-10° C
0
+10° C
+20° C
+30° C
+80° C