Kohler KG2204 Service page 65

Action
 Check the battery connections, the battery, and engine grounds.
Are the power ground terminals clean and tight?
 Turn the ECM power OFF.
 Disconnect ECM connector.
 Disconnect Crankshaft Position Sensor (CKP) connector.
 Using a DVOM, check for continuity between the following:
 CKP connector pin A and P26 pin 47.
 CKP connector pin B and P26 pin 48.
Does the DVOM show continuity?
Using a DVOM, check for continuity between the following:
 CKP connector pin A and engine ground.
 CKP connector pin B and engine ground.
Does the DVOM show continuity?
 Replace crankshaft position sensor. Refer to Section 5.3.
Is the replacement complete?
 Remove all test equipment except Spectrum.
 Connect any disconnected components.
 Using Spectrum, clear DTC information from the ECM.
 Turn the ECM power OFF and wait 30 seconds.
 Start the engine and operate to full operating temperature.
 Observe the engine performance.
 After operating the engine, check for any stored codes.
Does the engine operate normally with no stored codes?
 Replace the ECM. Refer to Section 5.4.
Is the replacement complete?
 Remove all test equipment except Spectrum.
 Connect any disconnected components.
 Using Spectrum, clear DTC information from the ECM.
 Turn the ECM power OFF and wait 30 seconds.
 Start the engine and operate to full operating temperature.
 Observe the engine performance.
 After operating the engine, check for any stored codes.
Does the engine operate normally with no stored codes?
Figure 4-8 Crankshaft Position Sensor Troubleshooting
TP-6903 5/16a
Yes No
Repair the circuit as
Go to the next step.
necessary.
Repair the open circuit
Go to the next step.
as necessary.
Repair the shorted
Go to the next step.
circuit as necessary.
Go to the next step. -
The system is OK. Go to the next step.
Go to the next step.
Restart the crankshaft
position sensor
troubleshooting
The system is OK.
procedure. Look for
other DTC codes
stored in the ECM.
Electrical System and Sensor Troubleshooting 65