Dtc "C1122": Engine Speed Signal Circuit Malfunction (Lt-A750Xp/Zk9) - Suzuki kq750 Service Manual

6C-41 Power Assisted Steering System:

DTC "C1122": Engine Speed Signal Circuit Malfunction (LT-A750XP/ZK9)

• Faulty engine speed signal circuit.
• Faulty ECM.
• Faulty EPS control unit.
Troubleshooting
NOTE
Start the engine after repairing the DTC and check that the indicator light is turned OFF. Refer to
"Precautions in Diagnosing Troubles (LT-A750XP/ZK9) (Page 6C-1)".
Step
1 1) Setup the SDS tool (Refer to the SDS operation manual
for further details.) or connect the mode select switch.
2) Click "Engine" and check the DTC code.
Is not DTC "C12 (P0335)" displayed?
Possible Cause
Action Yes
Go to step 2.
B931G46304013
No
Inspect the CKP sensor.
Refer to "DTC "C12"
(P0335): CKP Sensor
Circuit Malfunction in
Section 1A in related
manual".