6.8. Check of the relay of the fuel pump


The fuel system remains under pressure, even after switching off of the engine therefore before a detachment of pipelines, it is necessary to take off pressure in fuel system.

1. Listen whether the relay of the fuel pump at inclusion of ignition clicks.
2. Remove the relay of the fuel pump and check its working capacity. Give additional wires tension from the rechargeable battery to contacts of 85 and 86 relays of the fuel pump.
3. Check that contacts of 87 and 30 relays of the fuel pump become isolated when giving tension and are disconnected at shutdown of tension. Otherwise, replace the relay of the fuel pump.