11124 690 01 Rev. S KohlerEngines.com
EFI SYSTEM-ECH WITHOUT OXYGEN SENSOR
Code 0201
Component: Fuel Injector
Fault: Injector 1 Circuit Malfunction
Condition: Injector damaged or faulty, shorted or
open connection.
Conclusion: Injector Related
● Injector coil shorted or opened.
Engine Wiring Harness Related
● Broken or shorted wire in harness.
ECU pin Black 5.
● Wiring from Ignition.
ECU Related
● Circuit controlling injector #1 damaged.
Code 0202
Component: Fuel Injector
Fault: Injector 2 Circuit Malfunction
Condition: Injector damaged or faulty, shorted or
open connection.
Conclusion: Injector Related
● Injector coil shorted or opened.
Engine Wiring Harness Related
● Broken or shorted wire in harness.
ECU pin Black 6.
● Wiring from Ignition.
ECU Related
● Circuit controlling injector #2 damaged.
Code 0230
Component: Fuel Pump
Fault: Circuit Low Voltage or Open
Condition: Shorted or open connection.
Conclusion: Fuel Pump Related
● Fuel pump module open or shorted
internally.
Engine Wiring Harness related
● Broken or shorted wire in harness.
ECU pin Black 9 or Grey 17.
ECU Related
● ECU is damaged.
Code 0232
Component: Fuel Pump
Fault: Circuit High Voltage
Condition: Shorted connection.
Conclusion: Fuel Pump Related
● Fuel pump module damaged internally.
Charging Output System Too High.
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