2006 Honda TRX680 Rincon Factory Service Manual, Page 520Get this manual
IGNITION SYSTEM With the connector connected, connect the peak voltage tester or adaptor probes to the ignition coil primary terminal and body groundCONNECTION: Greenred (-)Body ground (+) Turn the ignition switch ON and the engine stop switch to the "OShift the transmission into neutralAvoid touching Crank the engine with the starter motor and read the spark plug the ignition coil primary peak voltageor tester probes VOLTAGE: 100 minimum to prevent electric shock|f ea voltage is lower than the standard value, follow the checks described in the troubleshooting chart (page 21-4)GREENRED WIRE TERMINAL
CKP SENSOR PEAK VOLTAGE
NOTE: Check that the cylinder compression is normal and the spark plug is installed correctly in the cylinder headRemove the steering cover (page 3-5)Seal the PCM connector with tape to prevent dirt and oil from entering the connector after disconnecting the 33P connectorDisconnect the 33P (Gray) connector Powertrain Control Module (PCM)from the