Service manual

3. Electrical Parts
3-18
SG06063
SDG125S/150S-6A6(Control unit EDC 4)
List of functions
Pin
No.
Line
color
Connection Function
M-1 - NIL
M-2 - NIL
Glow relay No.2 terminal
M-3 L/Y
Emergency indicator CN16-5
terminal
When pre-heating is done, the contact between M-3
terminal and F-1 terminal is ON, and electrically
conducted.
M-4 - NIL
M-5 -
Fuel temperature sensor No.1
terminal
Detect fuel temperature between M-5 and M-8
terminals.
M-6 - NIL
M-7 - NIL
Fuel temperature sensor No.2
terminal
M-8 -
Coolant temperature sensor No.2
terminal
Grounding
M-9 -
Coolant temperature sensor No.1
terminal
Detect coolant temperature between M-9 and M-8
terminals.
M-10 -
Speed sensor (option) No.1
terminal
Grounding
M-11 -
Speed sensor (option) No.2
terminal
Detect engine speed between M-11 and M-10
terminals.
M-12 - Speed sensor No.1 terminal Grounding
M-13 - Speed sensor No.2 terminal
Detect engine speed between M-13 and M-12
terminals.
M-14 - Speed regulator No.1 terminal
M-15 - Speed regulator No.2 terminal
M-16 - Shielded cable
M-17 - Speed regulator No.3 terminal
M-18 - Speed regulator No.6 terminal
M-19 - Speed regulator No.4 terminal
See Installation manual of Control unit EDC 4 (BY
VOLVO PENTA)
M-20 - Oil pressure sensor No.3 terminal Grounding
M-21 - Oil pressure sensor No.2 terminal
Detect engine oil pressure between M-21 and M-20
terminals.
M-22 - Oil pressure sensor No.1 terminal +5V
M-23 - NIL
M-24 - NIL
M-25 - NIL