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 signal |
2 | Fuel sender ground |
3 | Fuel sender (+) [+5V] |
4 | Fuel pump motor (+) [+12V] |
5 | Fuel pump motor (-) |
Turn the ignition switch OFF, and then remove battery (-) cable.
Remove the fuel pump assembly.
Supply 4.5 voltage (1.5V battery 3EA) to the terminals 2 and 3.
Check voltage of the fuel sender normally.
Pin No. | Description |
1 | Fuel sender signal |
2 | Fuel sender ground |
3 | Fuel sender (+) [+5V] |
4 | Fuel pump motor (+) [+12V] |
5 | Fuel pump motor (-) |
Also check that the resistance changes smoothly when the float is moved from "E" to "F".
Position | Output Voltage (Vref : 5V) | Capacity (ℓ) |
E | 0.2 ~ 0.4 | 2.7 |
1/2 | 2.34 ~ 2.64 | 28.3 |
Sender (F) | 4.4 ~ 4.6 | 54.6 |
Position | Output Voltage (Vref : 4.5V) | Capacity (ℓ) |
E | 0.17 ~ 0.37 | 2.7 |
1/2 | 2.18 ~ 2.38 | 28.3 |
Sender (F) | 3.95 ~ 4.15 | 54.6 |
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - “Release Residual Pressure in Fuel Line”)
Remove the fuel pump service cover (A).
Disconnect the fuel pump connector (A).
Disconnect the fuel feed tube quick connector (B) and the vapor tube quick-connector (C).
Remove the fuel pump plate cover (D) after removing the bolts.
Remove the fuel pump (A) from the fuel tank.
Install in the reverse order of removal.
Be careful of fuel pump direction.
(Refer to the groove in the fuel tank)
Fuel pump plate cover installation bolt :
2.0 ~ 2.9 N.m (0.2 ~ 0.3 kgf.m, 1.4 ~ 2.2 lb-ft)