Kohler 32EOZ Service Manual page 35

A
No
Is there continuity
between P1-9 and P9-1?
No
No
No
Check wiring
for opens
Figure 6-4 Troubleshooting the Run Relay Controller Circuit (2 of 4)
TP-5936 7/04
Does the engine start?
No
Is the K4 relay LED lit?
No
Is 12 volts DC
present at the
(P9-2)?
Yes
Is there continuity
between P9-2 and P1-8?
Yes
Is there continuity
between P1-8 and P1-14?
Yes
Is there continuity across the
P1, P4, and P9 connectors?
Yes
Replace fuel pump
Yes
Yes
Is the fuel
No
pump working?
Is there continuity between
P2-8 and N?
Yes
Disconnect the P2 connector.
Is there continuity between
P2-5 and N?
No
Replace the remote
start/stop switch
Replace the
start/stop switch
Go to B
(next page)
Is there continuity between
P4-5 and N?
Yes
No
- Diagnose engine safety
shutdown switches
(LOP, LCS, HET).
- Engine fault (check the
fuel supply, carburetion,
ignition, compression)
See engine service
Yes
manual.
Section 6 Controller Troubleshooting 23