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9-3. STATOR ASSEMBLY
Wiring
Circuit in the MAIN PWB / Wiring Diagram
diagram
Function
The DD motor can be driven from stopped to maximum speed in infinite steps in
either direction. There are 36 poles on the stator; 12 permanent magnets spaced
around the rotor. There are no brushes to wear out. Unlike a more traditional
brushless motor, the rotor surrounds the stator rather than being attached to it.
Test points
(Windings)
Result
(Windings)
MAIN PWB
Ha
Hb
MICOM
u
v
w
IPM
HALL SENSOR
Test Points
Result
5-15 Ω
(1) to (2)
5-15 Ω
(2) to (3)
5-15 Ω
(3) to (1)
12V
WH
WH
1
1
4
4
3
3
2
2
RD
RD
2
3
3
2
BL
BL
4
4
1 1
GY
GY
NA1NA
YL
3
3
BL
2
2
RD
1
1
YL
w
3
3
BL
v
2
2
RD
u
1
1
RD4
RD
41
5
5
4
4
GND
3
3
2
2
Hb
1
1
Ha
w
3
3
u
2
2
v
1
1
WINDINGS
(3)
(1)
(2)
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