Kohler Command Pro CV173 Service Manual page 37

Electronic Ignition Systems Tests
Test Ignition System
1. Make sure spark plug lead is connected to spark plug.
2. Check condition of spark plug. Make sure gap is set to 0.76 mm (0.030 in.).
Condition
Spark plug is not receiving ignition
pulse.
Spark plug in bad condition.
Test Ignition Module
1. Disconnect kill lead from terminal on ignition module.
2. Pull retractable starter to a minimum of 350-450 RPM and check for spark.
Condition
Visible and audible sparks are
produced.
Visible and audible sparks are not
produced.
14 690 12 Rev. --
Possible Cause
Spark Plug
Spark Plug
Possible Cause
Ignition System or
Wiring and Connections
Ignition Module
KohlerEngines.com
Electrical System
Conclusion
Check gap and adjust if necessary;
reinstall plug.
Replace plug, set gap, and install.
Conclusion
Problem is elsewhere in system/
wiring.
Replace ignition module.
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