Description and Operation: Description
Fuel pump resistor controls supply voltage for the fuel pump motor.
This resistor reduces noise and increases durability of the fuel pump motor through reducing rpm and flow quantity at specific range.
FUEL PUMP MOTOR OPERATION REFERENCE CHART
| Engine state | Resistor | Mode | Supply voltage (V) |
|---|---|---|---|
| Engine start | Not operated | Hi mode | Battery voltage |
| Idle ~ Specific range | Operated | Lo mode | About 9.5 |
| W.O.T or Rapid acceleration | Not operated | Hi mode | Battery voltage |