6C-40 Power Assisted Steering System:
DTC “C1122”: Engine Speed Signal Circuit Malfunction
B931H26304013
Troubleshooting
NOTE
Start the engine after repairing the DTC and check that the indicator light is turned OFF. Refer to
“Precautions in Diagnosing Troubles (Page 6C-1)”.
Possible Cause
• Faulty engine speed signal circuit.
•Faulty ECM.
• Faulty EPS control unit.
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