Dtc 11-02: Comparison Between Vehicle Speed And Engine Speed Signal (Regular Diagnosis); Dtc 13-01: Eps Ecu Internal Circuit (Lower Fet Stuck On) (Initial Diagnosis) - Honda TRX500FM Service Manual

ELECTRIC POWER STEERING (EPS: FPMfFPE models)
2. VS Sensor Signal line Short Circuit Inspection
Check for continuity between the wire harness side
EPS ECU 21P (Gray) connector (1J terminal and
ground
Connection : C17 - Ground
TOOL:
Test probe 07ZAJ·ROJA 110
Is there continuity?
YES
NO
- Short Clrcuil in the Pmk/green or Pink wire.
- Replace the EPS ECU with a known good
one (page 24-35), and recheck
DTC 11·02: COMPARISON BETWEEN
VEHICLE SPEED AND ENGINE SPEED
SIGNAL
(REGULAR DIAGNOSIS)
Refer to DTC 11-01 (page 24-18)
DTC 13·01 : EPS ECU INTERNAL
CIRCUIT (LOWER FET STUCK ON)
(INITIAL DIAGNOSIS)
NOTE -
Before starting the troubleshooting, check fo r loose or
poor contact of the following connectors, and recheck
the DTC (page 24-18),
- EPS
ecu
21 P (Gray)
- EPS motor 2P (Gray)
1. EPS EeU System Inspection
1 Erase the DTC (page 24-11).
2. Start the engine.
3. Fully turn the handlebar to the left or right and
hold II 10 seconds.
4. Check the EPS indicator
Does the EPS indicator come
on?
YES - GO TO STEP 2.
NO - Intermittent failure.
2. Molor Line Short Circuit Inspection
Turn the ignilion swilch OFF.
Disconnecllhe EPS ECU 2P (Gray) connector (1].
Check for contmuity between the wire harness sid e
EP$ ECU 2P (Gray) connector terminals and
ground.
Connection : Black - Ground
Red - Ground
Is
there continuity?
YES - GO TO ST EP 3.
NO - GO TO STEP 4.
C17
/
Q
L
Black
Red
111
L
24·19