Power Assisted Steering System: 6C-44
DTC “C1141”, “C1142”, “C1143”, “C1145” EPS Motor Circuit Malfunction (LT-A750XP/ZK9)
B931G46304014
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-point 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-point 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.
I931G3630036-01
I931H1630093-01
(A)
(B)
I931G3630037-01
Summary of Contents for 2009 LT-A750XK9
Page 2: ......
Page 4: ......
Page 5: ...SUPPLEMENTS L LT A750XK9 09 MODEL 10 LT A750XPK9 09 MODEL 11 ...
Page 29: ...0A 15 General Information 99565 01010 013 CD ROM Ver 13 ...
Page 57: ...0B 28 Maintenance and Lubrication 09915 40610 Oil filter wrench Page 0B 12 Page 0B 12 ...
Page 68: ...0C 11 Service Data ...
Page 310: ...1K 5 Exhaust System ...
Page 482: ...4D 6 Parking Brake ...
Page 528: ...6B 13 Steering Handlebar ...
Page 581: ......