[ Model - ECLIPSE CROSS / Year - 2018 ]
2018 / ECLIPSE CROSS / EC - Workshop Manual
54 -CHASSIS ELECTRICAL > 54A-CHASSIS ELECTRICAL > FCM/LDW/AHB-ECU > DIAGNOSIS CODE PROCEDURES > CODE NO. C2298 Ambient sensor signal
Code No. C2298 Ambient sensor signal
 
 
caution
  • Whenever the ECU is replaced, ensure that the CAN bus lines are normal.
 
 
OPERATION
FCM/LDW/AHB-ECU communicates with the ETACS-ECU via the CAN bus lines.
 
 
DIAGNOSIS CODE SET CONDITION
This diagnosis code is set when the abnormality below is detected:
  • The ECU receives an invalid ambient temperature signal from the ETACS-ECU.
 
 
PROBABLE CAUSES
  • Defective ETACS circuit system (ambient temperature sensor)
  • Malfunction of the FCM/LDW/AHB-ECU
 
 
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-IIISE other system diagnosis code.
Check the ETACS diagnosis code (Refer to ).
Is the diagnosis code set?
Perform the relevant troubleshooting (Refer to ).
Go to Step 2
 
STEP 2. Check whether the diagnosis code is set again.
Check again if the diagnosis code is set in the FCM/LDW/AHB-ECU.
(1) Erase the diagnosis code.
(2) Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(3) Check if diagnosis code is set.
Is the diagnosis code set?
Replace the FCM/LDW/AHB-ECU (Refer to ).
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).