
Power Assisted Steering System: 6C-38
DTC “C1121”: Vehicle Speed Signal Circuit Malfunction (LT-A750XP/ZK9)
B931G46304012
Troubleshooting
NOTE
After repairing the trouble, clear the DTC using a SDS tool or mode coupler switch. Refer to “DTC
(Diagnostic Trouble Code) Deleting (LT-A750XP/ZK9) (Page 6C-21)”.
Possible Cause
• Faulty vehicle speed signal circuit.
• Faulty speed sensor.
• Faulty EPS control unit.
Step
Action
Yes
No
1
1) Turn the ignition switch OFF.
2) Check the EPS control unit connector for loose or poor
contact. If OK, then check the vehicle speed signal lead
wire continuity.
Go to step 2.
Bl/B wire open.
I931G3630031-01
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: ......