Service manual
3. Electrical Parts
3-22
Pin No.
Line
color
Connection Function
CN16-7 G/W Controller F-3 terminal
When engine water temperature rises, it is
electrically conducted to make warning lamp
glow.
Auto start unit CN7-9 terminal
CN16-8 B/Y
Air filter differential pressure
indicator
Grounding
CN16-9 G/L Auto start unit CN7-1 terminal
Power supply (DC24V power) for engine
revolution pulse between CN16-1 and CN16-8
terminals.
Starter switch ACC terminal
CN16-10 R/Y
Auto start unit CN6-7 terminal
Power supply
CN16-11 L/W Auto start unit CN7-7 terminal
Starting difficulty signal input terminal.
The signal of starting difficulty from auto start
unit CN7-7 makes overcrank warning lamp glow.
CN16-12 G/Y Auto start unit CN7-5 terminal
When air filter differential pressure indicator
gets clogged, electricity flows. Then air filter
clogging warning lamp glows.
CN16-13 G/R Controller F-15 terminal
When engine oil pressure drops, electricity flows.
Then engine oil pressure drop warning lamp
glows.