Dtc 22-1/22-2 (Shift Angle Sensor Response: Control Motor Lock/Stuck) - Honda TRX500FM Service Manual

ELECTRIC SHIFT PROGRAM (ESP: FEIFPE models)
OTe
23·'
will
be
IndICated
with the ignition
sWitch turned
ON.
23-18
OTC
22·1/22·2
(SHIFT ANGLE SENSOR
RESPONSE: CONTROL MOTOR LOCK!
STUCK)
NOTE :
Before starting the troubleshooting, check for loose or
poor contact of the following connectors, and reelleck
the
OTe
(page 23-14).
- shift angle sensor 3P (Gray)
- engine sub-wire harness 6P (Black)
- peM 33P (Black)
1. Shift Angle Sensor System Inspection
Tum the ignition switch ON and engine slop switch
Check the shift angle sensor with the HOS pocket
tester.
Is about Low voltage (about 0 V) or High voltag e
(about 5 V) Indicated?
YES _. 0 V : Refer to OTe 21·1 (page 23- 15),
• 5 V: Refer to OTe 21-2 (page 23-17),
NO - GO TO STEP 2 .
2. Sh ifting Operation Check
Remove the left side cover (page 2-4).
Tum the tgnltion switch OFF.
Manually shift the transmission by rotating the
gearshift spindle [lJ with the emergency gear
change tool [21.
Can the gears be changed manually?
YES - GO TO STEP 3.
NO - Check the gearshift linkage (page 12-19)
and the transmission (page 14-8).
3. Shift Angle Sensor Operation Resistance
Inspection
Disconnect the shift angle sensor 3P (Gray)
connector.
Measure the resistance at the shift angle sensor
side connector [1] terminals varies while shifting the
gear manually (page 23-27).
Connection: A - B
When shifti ng up : Resistance increase
When shifti ng down: Resistance decreases
Does the resistance vary properly?
YES - GO T O STEP 4 .
NO - Faulty shift angle sensor.
4. Shift Angle Sensor Condition Check
Check. Ihe shift angle sensor for installation
condition or
any
damage (page 23-28).
Is the shift angle sensor installed properly and
in normal condition ?
YES - GO TO STEP 5.
NO - Inslall properly or replace the angle
sensor.
(2)
Dow"
(1)
B
A