VESPA 946 E4 EMEA 2021 Manual page 205

Vespa 946 E4-E5 EMEA-USA-ASIA (2021-)
Inspecting the injector circuit
1. Battery
2. Fuse 2 - 10 A
3. Fuse 1 - 20 A
4. Ignition switch
5. Fuse 7 - 5 A
6. Injection load relay
7. Electronic control unit
8. Injector
Checking the resistance at the injector ends: 14.5 ± 5% Ohm
Check function of fuses No. 1, 2 and 7 for the ECU and injection load relay.
Check functionality of the injection load relay, also
located behind the front grille: check the resistance
of the energising coil between pins 86 and 85: 40
- 80 Ohm
Apply a voltage of 12V to pins 86 and 85; make
sure that there is continuity between pins 30 and
87 of the relay.
WARNING
Injection
INJEC - 205