[ Model - ECLIPSE CROSS / Year - 2018 ]
2018 / ECLIPSE CROSS / EC - Workshop Manual
42 -BODY > 42B-KEYLESS OPERATION SYSTEM (KOS) > TROUBLESHOOTING > SYMPTOM PROCEDURES > KEYLESS OPERATION WARNING LAMP DOES NOT GO OUT.
Inspection Procedure 4: Keyless operation warning display does not disappear.
 
 
cautionBefore replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.
 
 
 
 
PROBABLE CAUSES
  • Malfunction of CAN bus line
  • Malfunction of combination meter
  • Malfunction of the KOS&OSS-ECU
 
 
 
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-IIISE CAN bus diagnostics
Use M.U.T.-IIISE to diagnose the CAN bus lines.
Is the check result normal?
Go to Step 2.
Repair the CAN bus line (Refer to GROUP 54C - Troubleshooting ). On completion, go to Step 2.
 
STEP 2. M.U.T.-IIISE other system diagnosis code
Check if any diagnosis code is set in the combination meter.
Is the diagnosis code set?
Perform troubleshooting for the combination meter (Refer to GROUP 54A - Combination Meter - Troubleshooting ).
Go to Step 3.
 
STEP 3. M.U.T.-IIISE diagnosis code
Check if any diagnosis code is set in the KOS&OSS-ECU.
Is the diagnosis code set?
Perform troubleshooting for the KOS&OSS-ECU (Refer to ).
Go to Step 4.
 
STEP 4. Retest the system
Check that the keyless operation warning lamp turns OFF unless the flashing or illumination conditions are met.
Is the check result normal?
Intermittent malfunction is suspected (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).
Replace KOS&OSS-ECU and register the ID codes (Refer to ).