2018 / ECLIPSE CROSS / EC - Workshop Manual
42 -BODY > 42B-KEYLESS OPERATION SYSTEM (KOS) > TROUBLESHOOTING > DIAGNOSIS CODE PROCEDURES > B1144 ESL lock/unlock fail
Code No. B1144 ESL actuation not completed
 
 
cautionWhen replacing the ECU, always check that the communication circuit is normal.
 
 
DIAGNOSTIC FUNCTION
If the control completion information cannot be received from the electric steering lock via LIN when the electric steering lock is locked/unlocked, KOS&OSS-ECU sets diagnosis code No.B1144. At the same time, KOS&OSS-ECU displays the immobilizer certification system inspection warning to the combination meter.
 
 
JUDGEMENT CRITERIA
Check Conditions
  • After KOS&OSS-ECU activation
Judgement Criterion
  • Control completion information is not received from the electric steering lock.
 
 
PROBABLE CAUSES
  • Electric steering lock malfunction
  • LIN bus line malfunction
  • Malfunction of KOS&OSS-ECU
 
 
DIAGNOSIS PROCEDURE
1. Check of short to earth, short to power supply or open circuit in LIN line between electric steering lock connector and KOS&OSS-ECU connector.
2. After performing the locking and unlocking operations of the electric steering lock, recheck the diagnosis code of KOS&OSS-ECU.
3. KOS&OSS-ECU diagnosis code recheck