Connector (from the pump side)
Terminal | Description |
A1 | "Earth" fuel level sensor |
A2 | Not used |
IN 1 | Fuel level sensor signal |
AT 2 | Not used |
C1 | Fuel pump power (+) |
C2 | "Earth" fuel pump (-) |
Check: Measure the resistance between the sensor leads while moving the float.
Level on the pointer | Resistance (Ohm) | Fuel volume (±5 liters) |
4/4 | 7 | 51 |
3/4 | 55 ±7 | 39,75 |
1/2 | 98 ±10 | 28,5 |
1/4 | 155 ± 15 | 17,25 |
0 (reserve) | 310 ± 10 | 6 |