Electric Shift Does Not Operate When Engaging The Reverse Gear; Control Motor Turns When The Shift Switch Is Pushed Down From The Neutral Position With The Reverse Selector Not Engaged - Honda TRX350TM Rancher Service Manual

Electric shift does not operate when engaging the reverse gear

Shift the gear manually using the gear change
tool.
Normal
Check for continuity of the reverse shift switch at
the 8P (white) connector (page 21-25).
Normal
Disconnect the control unit 22P (gray) connector.
Check for continuity between the 8P connector
and 22P connector terminals in the Gray/red wire.
Continuity
Faulty ECU

Control motor turns when the shift switch is pushed down from the neutral position with the reverse selector not engaged

Check for continuity of the reverse shift switch at
the 8P (white) connector (page 21-25).
Normal
Disconnect the control unit 22P (gray) connector.
Check for continuity between the Gray/red termi-
nal of the 8P connector or 22P connector and
ground.
No continuity
Faulty ECU
ELECTRIC SHIFT PROGRAM (ESP: TE/FE models)
Abnormal Faulty transmission or gearshift linkage
(section 9 and 11)
Abnormal Faulty reverse shift switch
No continuity Open circuit in Gray/red wire
Loose or poor contact of related terminal
22P CONNECTOR
ECU
Abnormal Faulty reverse shift switch
Continuity Short circuit in Gray/red wire
22P CONNECTOR
ECU
8P CONNECTOR
8P CONNECTOR
21-7