1997-2004 Honda Fourtrax Recon TRX250TE/TM Service Manual, Page 309Get this manual
IGNITION SYSTEM If the peak voltage measured at leM connector is abnormal, measure the peak voltage at the pulse
IGNITION PULSE GENERATOR CONNECTOR
generator connectorDisconnect the ignition pulse generator connector
and connect the tester probes to the terminal (Blue! Yellow and Ground)In the same manner as at the [eM connector, measure the peak voltage and compare it to the voltage
measured at the [eM connector If the peak voltage measured at the [eM is abnormal and the one measured at the ignition pulse generator is normal, the wire harness has an open circuit or loose connection_If both peak voltages measure are abnormal, check each item in the troubleshooting chart on page 17-3If all items are normal, the ignition pulse generator is faultySee section 10 for ignition pulse generator replacement