Dtc 23-02: Torque Sensor (Vt3 Differential Amplification Function) (Regular Diagnosis) - Honda TRX500FM Service Manual

ELECTRIC POWER STEERING (EPS : FPM/FPE models)
7. Torque Sensor Open Circ uit Inspection
Measure the resistance between the torque sensor , - -- - - - -- - - - -- - - - - - - ,
24-28
side connector (1] terminals in the EPS unit.
Connection: A - B
8-C
Is the resistance within 10 - 40
n
(20"Cl6S"Fj ?
YES - Replace the EPS ECU with a known good
one (page 24-35), and recheck.
NO - Replace the EPS unit with a new one
(page 16-32), and recheck (Short circuit in
the torque sensor coil).
DTC 23·02: TORQUE SENSOR (VT3
DIFFERENTIAL AMPLIFICATION
FUNCTION) (REGULAR DIAGNOSIS)
NOTE
Before starting the troubleshooting. check for loose or
poor contact of the following connectors, and recheck
the OTe (page 24-18).
- EPS ECU 21 P (Gray)
- torque sensor 3P (Gray )
1. EP$ ECU System Inspection
1. Erase the oTC (page 24-11).
2. Start the engine.
3. Fully turn the handlebar to the left or right and
hold
it
10 seconds.
4. Check the EPS indicator.
Does the EP$ indica tor come on?
YES - GO TO STEP
2.
NO - Intermittent failure .
2. Rec heck OTC
Check the DTC (page 24-10).
Is DTC 23-02 indica ted?
YES - Replace the EPS ECU with a known good
one (page 24-35). and recheck.
NO - Perform the troubleshooting for the
indicated DTC (page 24-16),
DTC 23·03: TORQUE SENSOR
(VT1, VT2 RAPID CHANGE) (REGULAR
DIAGNOSIS)
Refer to DTC 23-0 1 (page 24-26).
DTC 23·04: TORQUE SENSOR
(TEMPERATURE SENSOR) (REGULAR
DIAGNOSIS)
Refer to DTC 23-01 (page 24-26),
A
I
!
1