Power Assisted Steering System: 6C-43
DTC “C1141”, “C1142”, “C1143”, “C1145” EPS Motor Circuit Malfunction
B931H26304014
Troubleshooting
Possible Cause
• Faulty EPS motor circuit.
• Faulty EPS motor.
• EPS control unit malfunction.
Step
Action
Yes
No
1
1) Turn the ignition switch OFF.
2) Check the EPS motor coupler for loose or poor contact.
If OK, measure the EPS motor voltage.
3) Insert the needle pointed probes to lead wire coupler.
4) Start the engine and turn the handlebars left turn.
5) Measure the voltage between R wire “A” and B wire “B”.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Voltage (
)
EPS motor voltage
Approx. 7.0 V
Is voltage OK?
Go to step 2.
R wire or B wire open or
R wire shorted to
ground.
I931H1630087-02
I931H1630093-01
(A)
(B)
I931H1630088-02
Summary of Contents for 2009 LT-A500XP
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Page 4: ......
Page 14: ...00 9 Precautions ...
Page 224: ...1E 3 Engine Lubrication System EXHAUST SIDE INTAKE SIDE I931H1150003 02 ...
Page 304: ...1K 4 Exhaust System ...
Page 346: ...2D 5 Wheels and Tires ...
Page 438: ...3D 26 Propeller Shafts ...
Page 482: ...4D 6 Parking Brake ...
Page 512: ...5A 28 Automatic Transmission ...
Page 624: ...Prepared by December 2008 Part No 99500 44080 03E Printed in U S A 624 ...