1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 390Get this manual
ELECTRIC SHIIFT PROGRAM (ESP) I
ELECTRIC SHIFT MALFUNCTION DURING VEHICLE OPERATION
In spect the following before diagnosing the system- The engine run normallySpeedometer operate.s norma,lly
Refer to Ele.ctrlc Shift Does Not Ope,rate troubleshootingl sectlon (page
Inspect the dutch operation
Sli pped
lnspect the clutch (section B)
Normall
Inspe'ct t'he angle senso (page 21- la tI
Abnorma l
Faulty angle senso r
Disco(1l1l act the contro unit 16P controlmodule 4P connector
Ign ition
Abnormal