MANUALS · FUEL [13] · страница 25 из 340 · 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 ON,bat-
teryvoltageissuppliedfromthe ignition
switch to the enginecontrol unit;When bat-
tery voltage is supplied to the engine control
unitthe power transistor is switched ON and
current flows to the engine control relay coil.
Asresult,the engine control relay switch is
switched ON, and power is supplied,by way
of the enginecontrol relayswitch,from the
battery to the engine control unit:
