Hyundai Elantra: Fuel Delivery System / Fuel Pump
Repair procedures
[Fuel Pump]
1. | Turn ignition switch OFF and disconnect the negative (-) battery cable. |
2. | Remove the fuel pump assembly. |
3. | Check motor operation by fuel pump connector (A) connecting power (No.4) and ground (No.5). 
Pin No
| Discription
| 1
| Fuel sender ground
| 2
| -
| 3
| Fuel sender signal
| 4
| Fuel pump (+)
| 5
| Fuel pump (-)
|
|
[Fuel Sender]
1. | Turn ignition switch OFF and disconnect the negative (-) battery cable. |
2. | Remove the fuel pump assembly. |
3. | Using an ohmmeter, measure the resistance between terminals 1 and 3 of sender connector (A) at each float level. 
Pin No
| Discription
| 1
| Fuel sender ground
| 2
| -
| 3
| Fuel sender signal
| 4
| Fuel pump (+)
| 5
| Fuel pump (-)
|
|
4. | Also check that the resistance changes smoothly when the float is moved from "E" to "F".
Position
| Resistance (Ω)
| Capacity (ℓ)
| E
| 297 - 305
| 2
| 1/2
| 77.4 - 81.4
| 25
| F
| 14 - 16
| 46.1
|
|
1. | Turn the ignition switch OFF and disconnect the battery (-) terminal. |
2. | Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") |
3. | Remove the rear seat. (Refer to Body (Interior and Exterior) - "Rear Seat Assembly") |
4. | Remove the fuel pump service cover (A). 
|
5. | Disconnect the fuel pump connector (A). |
6. | Disconnect the fuel feed tube quick-connector (B). 
|
7. | Remove the locking ring (A) by using the special service tool [No. : 09310-B8100]. 

•
| When removing the locking ring, be careful not to damage the fuel tank and fuel pump. |
•
| When removing the locking ring, press the upper area with hand and rotate the wrench counter clockwise. |
|
|
8. | Remove the fuel pump from the fuel tank. 
|
1. | Install in the reverse order of removal. •
| Be careful of fuel pump direction when installing. (Refer to the groove in the fuel tank) |
|
|
Repair procedures
Removal1.Release the residual pressure in fuel line.(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")2.Turn ignition switch OFF and disconnect the negative (-) battery cable...
Repair procedures
Removal1.Remove the fuel pump. (Refer to Fuel Delivery System - "Fuel Pump")2.Disconnect the fuel pump motor connector (A) and fuel sender connector (B)...
Other information:
Troubleshooting
Symptom
Suspect area
Remedy
Charging warning indicator does not light with ignition switch "ON" and engine off.Fuse blownCheck fusesLight burned outReplace lightWiring connection looseTighten loose connectionElectronic voltage regulatorDisconnect the voltage regulator to see if light turns off...
Components and components location
Component
Repair procedures
Removal1.Disconnect the negative (-) battery terminal.2.Using a remover and remove the overhead console (A).3.Disconnect the overhead console connectors (A).Installation1.Install the eCall button and button cover...