Honda TRX500FM Service Manual

ELECTRIC SHIFT PROGRAM (ESP: FE/FPE models)
5. Reduction Gear Condition Check
Check the reduction gears and control motor for
installation condition or any damage (page 23-30).
Are the reduction gears and control motor
ins talled properly and in normal condition?
YES - Replace the PCM with a known good one
(page
4-34), and recheck.
NO - Install properly or replace faulty part.
OTC 23-1 (SHIFT ANGLE SENSOR
RESPONSE:
VOLTAGE VARIATION)
NO TE :
Before starting the troubleshooting, check for loose or
poor contact of the following connectors, and recheck
the
DTe (page 23- 14 ).
- shift angle sensor 3P (Gray)
- engine sub-wire harness 6P
(Black)
- PCM 33P (Black)
This code will be indicated when shifting the gear
manually while the ignition switch is turned ON.
1. Shift Angle Sensor System Inspection
Turn the ignition switch ON and engine stop swit ch
·0 ".
Check the shift angle sensor with the HDS pock et
tester.
Is about Low voltage (about 0 V) or High voltage
(about 5 V) indicated?
YES _ . OV:RefertoDTC21-1 (p age 23-15) .
• 5 V: Refer to OTC 21-2 (page 23-17)
NO - GO TO STEP 2.
2. Shift Angle Sensor Condition Check
Check the shift
angle sensor for looseness (page
23-28).
Is the shift angle sensor installed properly ?
YES - GO TO STEP 3.
NO - Install properly or replace the shift angle
sensor.
3.
Shift Angle Sensor Operation Resistance
Inspection
Turn t he ignition switch OFF.
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
manua lly (page 23-27).
Connection : A - B
When
shifting up: Resistance increase
When
shifting down : Resistance decreases
Does the resistance vary properly?
YES - Replace the PCM with a known good one
(page 4-34), and recheck.
NO - Faulty shift angle sensor.
Q
(11
B
tV ,
A
23-19

Honda TRX500FM Specifications

General

Brand	Honda
Model	TRX500FM
Category	Offroad Vehicle
Language	English