Pajero II Workshop Manual 1991 · FUEL · страница 25 из 339 · Открыть оригинал PDF ↗

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POWER SUPPLY AND IGNITION SWITCH-IG

OPERATION

WhiletheignitionswitchisON,battery
power supply is supplied to the engine control
unit, injectors, air-flow sensor, etc.
When the ignition switch is switched ONbat-
teryvoltageissuppliedfromtheignition
switch to the engine control unit:Whenbat-
tery voltage is supplied to the engine control
unit, the power transistor is switched ON and
current flows to the engine control relay coil.

As a result, the engine control relay switch is
switched ON,and power is suppliedby way
of the enginecontrol relay switch, fromthe
battery to the engine control unit.

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