Pajero II Workshop Manual 1998 Supplement · FUEL · страница 68 из 104 · Открыть оригинал PDF ↗

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AIR CONDITIONER SWITCH AND POWER RELAY

Engine control unit connector

No. 8 is for vehicle with immobilizer

9FUO393

OPERATION

The air conditioner switch applies battery
voltage to the engine control unit when the air
conditioner is switched ON

When the air conditioner signals are input; the
engine control unit activates the idle-speed
control servo, and also switches ON the power
transistor.Asa result, current flows to the
power relay coil and the relay switch is
switched ON; the air conditioner compressor's
magnetic clutch is activated:

TrOUBLESHOOTING HINTS

If the air conditioner compressor's magnetic clutch
is not activated when the air conditioner switch is
switched ON during idling, it is probable that the
cause is & malfunction of the air conditioner control
system_

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