Kohler 32EOZ

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