2000-2003 Honda TRX350 Rancher factory service manual, Page 331Get this manual
ELECTRIC SHIFT PROGRAM (ESP: TEFE models) FLOWCHARTS Turn the ignition switch to OFF'' unless otherwise specifiedInspect the following before diagnosing the system Make sure the battery is fully charged and in good condition Make sure the clutch is adjusted properlyCheck for blown fuse When the ECU is found to be faulty, recheck the connectors before replacing itElectric shift does not operate
Shift the gear manually using the gear change tool
Abnormal
Faulty transmission or gearshift linkage (section and 11)
Disconnect the control unit 22P (gray) connector and measure the voltage between the Black green) terminal of the harness side connector and ground) with the ignition switch turned to ON''There should be 11 minimum