B1144

DTC B1144 ESL actuate not completed

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, OSS-ECU sets the DTC B1144.
At the same time, OSS-ECU displays the immobilizer certification system inspection warning screen to the multi information display of the combination meter.

DTC SET CONDITION

Check Conditions

- After OSS-ECU activation
Judgment Criterion

- Control completion information is not received from the electric steering lock.

TROUBLESHOOTING HINTS

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

DIAGNOSIS

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

Q. Is the check result normal?

YES Go to Step 2.
NO Repair the connector(s) or wiring harness.
STEP 2. After performing the locking and unlocking operations of the electric steering lock, recheck the DTC.

Q. Is the DTC set?

YES Replace the electric steering lock and register the VIN (Refer to Programming and Relearning).
Then go to Step 3.
NO Go to Step 3.
STEP 3. Check whether the DTC is reset.

Q. Is the DTC set?

YES Replace the OSS-ECU and register the VIN (Refer to Programming and Relearning).
NO Intermittent malfunction is suspected How to Cope With Intermittent Malfunctions).