CONTROL SYSTEM
07-40–10
REAR POWER METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (POWER MOS FET)
CONSTRUCTION
id074000104900
Function
•
Controls the supply voltage to the rear blower
motor according to the gate voltage sent from the
front climate control unit and adjusts the rotation
speed (airflow volume).
Construction/Operation
•
There are four electrodes: source, gate, drain and
feedback electrodes.
•
The resistance between terminals B and A
(between drain and source) changes according to
the voltage (gate voltage) applied to terminal C
(gate).
•
When the gate voltage increases, the resistance
between terminals B and A decreases, allowing
the current to flow easily.
End Of Sie
NG: MAGNETIC CLUTCH
B+
IG2
M
REAR POWER MOS FET
FRONT
CLIMATE
CONTROL
UNIT
REAR
BLOWER
RELAY
REAR
BLOWER
MOTOR
REAR POWER MOS FET
FEEDBACK
GATE
VOLTAGE
am8rrn00000321
C
D
A
B
A
B
D
C
DRAIN
FEEDBACK
GATE
SOURCE
am8rrn00000322
B
D
A
B
D
A
C
C
LOW GATE VOLTAGE
HIGH GATE VOLTAGE
SMALL CURRENT
LARGE CURRENT
am8rrn00000323
3423-1U-06H(07-40).fm 10 ページ 2006年11月22日 水曜日 午後2時48分
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