[ Model - ECLIPSE CROSS / Year - 2018 ]
2018 / ECLIPSE CROSS / EC - Workshop Manual
17 -ENGINE AND EMISSION CONTROL > ADAPTIVE CRUISE CONTROL SYSTEM (ACC) > DIAGNOSIS CODE PROCEDURES > CODE NO. C1809: ACC/FCM TEMPORARY NOT AVAILABLE
Code No. C1809: ACC/FCM Temporary not Available
 
 
cautionWhen the ACC/FCM-ECU is replaced, calibrate the radar (refer to ).
 
 
OPERATION
The ACC/FCM-ECU will disable the ACC system temporarily by the protection control.
 
 
DIAGNOSIS CODE SET CONDITION
Check Condition
  • Ignition switch is "ON" position.
Judgement Criterion
  • External factors such as external noises are detected, which hinder the ACC/FCM radar performance.
 
 
PROBABLE CAUSE
  • Influences by external factors such as external noises.
  • Malfunction of ACC/FCM-ECU
 
 
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-IIISE diagnosis code.
Is diagnosis code No. C1751 set?
Check code No. C1751: ECU failure (Refer to ).
Go to Step 2.
 
STEP 2. Check whether the diagnosis code is set again.
Is diagnosis code No.C1809 set?
Replace the ACC/FCM-ECU (Refer to ).
This diagnosis is complete. The system has deactivated the ACC temporarily for safety reason. This is not a malfunction.