Gilera GP 800 i.e. Service Station Manual page 280

Injection
WATER TEMPERATURE SENSOR CONNEC-
TOR
1. Control unit (Grey-Green)
2. Instrument panel (Green-Yellow)
3. Control unit negative (Sky Blue-Green)
4. Instrument panel (Brown-Black)
ENGINE TEMPERATURE SENSOR
0° = 5900 Ohm
+10° = 3800 Ohm
+20° = 2500 Ohm
+30° = 1700 Ohm
+80° = 300 Ohm
With the switch set to "ON", check if there is 5V voltage between pin 1 and 3 of the sensor connector.
Check the continuity between pin 1 of the sensor connector and pin 5 of the engine connector control
unit.
Check the continuity between pin 3 of the sensor connector and pin 20 of the engine connector control
unit.
Check the ground insulation of the lines.
Repeat checks between pin 2 of the connector and pins 3/20 of the instrument panel, also between pin
4 of the connector and pins 4/20 of the instrument panel
INJEC - 26
GP 800 i.e.