To do this, move the stopper "1" in the upward direction "arrow A" and press the release button inward "arrow B".
Unlock and remove cover "2" by pressing the place marked with "arrow A". -Unlock the lock "arrow B" and open cover "1".
Connect the remote control device to "V.A.G 1348" VAG 1348/3A-with adapter cable -VAG 1348/3 "3" using auxiliary cable from auxiliary and measuring equipment set "V.A.G 15940" to contact "1 -. 2" contact of the adapter cable plug -VAG 1348/3 "3" seal with insulating tape to prevent short circuit "arrow". Connect contact "5" using an auxiliary cable from the set of auxiliary and measuring tools "VAG 1594C" to the "ground" of the body. Move the button of the remote control device for VAG 1 348 "V.A.G 1348/3A" forward into the engine compartment. Connect the clamp terminal to the terminal of the external starter current source "U6" "A" in the terminal block for terminal 30 "TV22" in the water drainage box.
Press the remote control switch. You should be able to hear the pump running. The fuel pump runs very quietly. Avoid any extraneous noise during the test. If you cannot hear the pump running, connect a multimeter to measure the voltage between pins "1" and "5" of the plug connector.
Press the remote control switch. Set value: battery voltage. If the set value is not reached, eliminate the wire break according to the wiring diagram. If the set value is reached, although the sound of the operating pump is not heard: remove the fuel supply unit. Check the correct connection and patency of the electric wires between the flange and the fuel pump.
If no damage to the wires is found, replace the fuel supply module. Install the fuel supply module, while following the instructions for connecting the battery.
Content source: the specified website: audimanual.ru