3.
Check motor operation by fuel pump connector (A) connecting power (No.4) and ground (No.5).
Pin No. | Description |
1 | Fuel sender ground |
2 | - |
3 | Fuel sender signal |
4 | Fuel pump motor (+) |
5 | Fuel pump motor ground |
Turn the ignition switch OFF, and then remove battery (-) cable.
Remove the fuel pump assembly.
Check motor operation by fuel pump connector (A) connecting power (No.4) and ground (No.5).
Pin No. | Description |
1 | Fuel sender ground |
2 | - |
3 | Fuel sender signal |
4 | Fuel pump motor (+) |
5 | Fuel pump motor ground |
Turn the ignition switch OFF, and then remove battery (-) cable.
Remove the fuel pump assembly.
Using an ohmmeter, measure the resistance between terminals 1 and 3 of sender connector (A) at each float level.
Pin No. | Description |
1 | Fuel sender ground |
2 | - |
3 | Fuel sender signal |
4 | Fuel pump motor (+) |
5 | Fuel pump motor ground |
Also check that the resistance changes smoothly when the float is moved from "E" to "F".
Position | Resistance(Ω) | Capacity (ℓ) |
E | 198~205 | 5.0 |
1/2 | 72.7 | 35.0 |
Sender (F) | 7~9 | 67.0 |
