Code 0351; Code 0352; Code 1693; Code 1694 - Kohler Command PRO EFI Series Service Manual

Code 0351

Component: Ignition Coil
Fault: Cylinder 1 Ignition Coil Malfunction
Condition: Broken wire in harness (may not be
visible), shorted connection or faulty
sensor.
Conclusion: Engine Wiring Harness Related
● Connection to ignition or fuse.
● Pin circuit wiring or connectors.
● ECU pin Black 1.
● ECU-to-harness connection problem.
Ignition System Related
● Incorrect spark plug(s) used.
● Poor connection to spark plug.

Code 0352

Component: Ignition Coil
Fault: Cylinder 2 Ignition Coil Malfunction
Condition: Broken wire in harness (may not be
visible), shorted connection or faulty
sensor.
Conclusion: Engine Wiring Harness Related
● Connection to ignition or fuse.
● Pin circuit wiring or connectors.
ECU pin Grey 10.
● ECU-to-harness connection problem.
Ignition System Related
● Incorrect spark plug(s) used.
● Poor connection to spark plug.
Code 0562
Component: System Voltage
Fault: System Voltage Low
Condition: Faulty voltage regulator, bad fuse or
shorted connection.
Conclusion: Corroded Connections
Bad Stator
Bad Battery
● Low output charging system.
● Poor magnet in fl ywheel.
● Bad or missing fuse.
Code 0563
Component: System Voltage
Fault: System Voltage High
Condition: Faulty voltage regulator or shorted
connection.
Conclusion: Faulty Rectifi er-Regulator
Bad Stator.
Bad Battery.
62 690 05 Rev. E

Code 1693

Component: Tach Output (ECU)
Fault:
Condition:
Conclusion: Bad Tach Wire (grounded).

Code 1694

Component: Tach Output (ECU)
Fault:
Condition:
Conclusion: ECU or GCU circuit error.
Code 61
Component: End of Code Transmission
Troubleshooting Flow Chart
Flow chart provides an alternative method of
troubleshooting EFI system. Chart will enable you to
review entire system in about 10-15 minutes. Using
chart, accompanying diagnostic aids (listed chart), and
any signaled fault codes, you should be able to quickly
locate any problems within system.
KohlerEngines.com
EFI SYSTEM
Tach Circuit Low
Tachometer output circuit short to ground.
GCU circuit short to ground.
Tach Circuit High
Tachometer output circuit short to battery.
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