Code No. B1144 ESL actuation not completed




DIAGNOSTIC FUNCTION




JUDGEMENT CRITERIA


Check Conditions
  • After OSS-ECU activation
Judgment Criterion
  • Control completion information is not received from the electric steering lock.

PROBABLE CAUSES



  • Electric steering lock malfunction
  • LIN bus line malfunction
  • Malfunction of OSS-ECU

DIAGNOSIS PROCEDURE


STEP 1. Check of short to power supply, short of earth and open circuit in LIN line between electric steering lock connector and OSS-ECU connector


Q. Is the check result normal?

Go to Step 2.
Repair the connector(s) or wiring harness.

STEP 2. After performing the locking and unlocking operations of the electric steering lock, recheck the diagnosis code.


Q. Is the diagnosis code set?

Replace the electric steering lock and register the chassis number (Refer to ). Then go to Step 3.
Go to Step 3.

STEP 3. Check whether the diagnosis code is reset.


Q. Is the diagnosis code set?

Replace the OSS-ECU and register the chassis number (Refer to ).
Intermittent malfunction is suspected (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).