Kohler 7.5EOR Service page 35

A
No
Is the 10-amp fuse
(BCA) functional?
Yes
Is the K25 relay functional?
No Yes
Replace
the K25
relay.
S Check P1--8 connection
S Check P4--14 connection
S Replace the circuit board
(inoperative K2 relay).
Figure 6-4 Troubleshooting the Relay Controller Circuit Board (2 of 4)
TP-6073 4/06
Does the engine start?
No
Is 12-volt DC
present at
the fuel
solenoid?
(check wiring)
No
No
Replace
the fuse.
Replenish fuel supply.
Yes
Yes
Does unit have fuel?
Engine fault (check the fuel
supply, fuel feed pump, fuel
Section 6 Controller Troubleshooting
Go to
C
Yes
injection pump, etc.).
35