Gilera 633499 Workshop Manual page 139

Runner Purejet
Specific tooling
020460Y Scooter diagnosis and tester
15- Check the charger.
GO TO point 17
16- The ECU supplies are conform.
17- Check all electrical installation connections for any possible problems that are related to loosening
or oxidation.
GO TO point 20
18- Check the main supply.
GO TO point 20
19- Check the power supply to panel.
GO TO point 20
20- Prepare the interface wiring with adapter 3. Install the specific tool as described here:
- Remove the two 15 A fuses
- Disconnect the connector from the ECU
- Connect the specific tool to the vehicle installation, not connecting the ECU
- Re-connect the two 15 A fuses
This toll, mounted this way, allows all checks on the installation sections
GO TO point 21
Specific tooling
020481Y Control unit interface wiring
21- Check on the ground connection.
Check the ground connection on pin n°1 by using
the multimeter.
1 - battery positive = battery voltage
YES point 22 NO point 23
22- The ground line is efficient.
GO TO point 24
23- Check and restore where necessary the direct
ground line to the battery.
GO TO point 21
24- Check the main supply.
Check the presence of battery positive voltage on
pin 15.
pure jet injection
INJ PJ - 17