Pajero II Workshop Manual 1991 · FUEL · страница 29 из 339 · Открыть оригинал PDF ↗

Текст распознан со скана. Числа и обозначения можно сверить с оригиналом ниже.

FUEL PUMP

OPERATION

Activates the fuel pump during engine crank-
ing ad while the engine is running
When the ignition switch is set to the START
position, current flows, byway of the control
relaycoil, from the ignition switch to earth.As
a result, the control relay switch is switched
ON,and the power for activation of the fuel
pump is supplied, by way of the control relay
switch,from the battery to the fuel pump:

While the engine is running, the engine control unit
switches ON the power transistor,afterwhich
current flows to the control relay coil,and the
power for activation of the fuel pump is supplied to
thefuelpump:

When the control relay switch is switched ON
battery voltage is also applied to the engine control
unit; and so the engine control unit detects the fact
that the power for activation of the fuel pump is
being supplied to the fuel pump:

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