Hyundai Elantra (CN7): Fuel Delivery System / Release residual pressure in fuel line
| Release Residual Pressure in Fuel Line |
|
| 1. | Turn the ignition switch OFF and disconnect the battery (-) cable. |
| 2. | Remove the fuel pump fuse (A).
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| 3. | Connect the battery (-) cable. |
| 4. | Start the engine and let idle, and then turn the ignition switch OFF after the engine has stopped on its own. |
| 5. | Disconnect the battery (-) cable, and then install the fuel pump fuse. |
| 6. | Connect the battery (-) cable. |
| 7. | Delete the Diagnostic Trouble Code (DTC) related the fuel pump fuse with the diagnostic tool.
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Fuel Pressure Test1.Release the residual pressure in fuel line.(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") • When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC) may occur.
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.
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: Heater & A/C Control Unit (DATC)
Components and components location Components[This illustration shows the LHD type. RHD type is symmetrical.][Connector A] Pin No Function Pin No Function 1Battery9IGN22ILL+ (TAIL)10ISG Battery (+)3-11IGN14LIN BUS12HTD5-13-6-14-7-15-8RHEO (
Hyundai Elantra (CN7) 2021-2026 Service Manual: Parking Distance Warning (PDW)
Description and operation Description• PDW consists of 8 sensors (front : 4 units, rear : 4 units) that are used to detect obstacles and transmit the result in three separate warning levels, the first, second and third to IBU via LIN communication.
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