After switching to «ON», check that there is battery
voltage, for about 2 seconds, between the Black-
Green cable of the pump connector and the
ground lead with the pump connector disconnec-
ted. Otherwise, check the continuity of the Black-
Green cable between the pump connector and the
remote control base.
Check the efficiency of the earth line of the fuel
pump by measuring the continuity between the
pump connector black cable, system side, and the
earth.
If, when switching to «ON», the pump continues to
turn after 2 seconds of activation, check, with the
control unit disconnected and the injection load re-
mote control disconnected, that the Black-Purple
cable (pin 20 on the interface wiring) is insulated
from the ground.
Specific tooling
020331Y Digital multimeter
Circuit leak test
Install the specific tool for checking the fuel pressure, with the pipe fitted with the gauge.
MP3 400 i.e. Injection
INJEC - 19
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