3. Electric System
3-27
3.6
Starter / Glow Plug Relay
Part number:44346 16600
YANMAR part number:129927-77920
PC14024E
(1) Specification
Rated voltage
DC12V
Coil resistance (at 20
℃
) 103
Ω±
10
％
Rated control capacity
50A 14VDC Resistance load (at 85
℃
)
(2-1) Starter relay functions list
Pin No. Line
color
Connection Function
1
R
Starter B terminal
Power supply circuit to drive starter pinion
2 G/R
Engine controller (ECU)
CN5-73 terminal
Power supply circuit for starter relay coil
3 W
Starter magnet switch
S terminal
Power supply circuit to drive starter pinion
4 B/G
Engine controller (ECU)
CN5-28 terminal
When engine controller (ECU) senses engine start
by charge signal, the contact between CN5-28 and
CN5-73 changes over OFF and electricity to starter
S terminal is cut to stop starter.
(2-2) Glow plug relay functions list
Pin No. Line
color
Connection Function
1
R/W 80A fuse
Power supply circuit to glow plug function
2 L/G
Engine controller (ECU)
CN5-70 terminal
Electrification is made by engine controller (ECU)
according to coolant temperature at start-up.
3
L
Glow plug
Power supply circuit to glow plug function
4 B
Grounding
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