Component Inspection

Adaptive Front Lighting System
B1621 ECU Hardware Error - Component Inspection

Component Inspection

1. Connect scantool to Data Link Connector (DLC).
2. Engine "ON" and Head lamp"ON".
3. Clear the DTC.
4. Ignition "OFF".
5. Engine "ON" and Head lamp"ON".
6. Connect scantool and select "Diagnostic Trouble Codes (DTCs)" mode and Read "DTC Status" parameter.
7. Is the DTC B1621 present?





* REFERENCE*
Download correct parameter When ECU replace.
In case of not supplied to Air-suspension vehicle, perform the initialization after downloading correct parameter.
* Vehicle condition
1. CAN communication is normal status
2. Vehicle speed ≤ 5 km/h
3. Engine r.p.m > 500 rpm
4. Connect scan-tool
5. CAN communication is normal status
6. Battery voltage > 10.5 V
7. Headlamp S/W ON, AFLS ON
1 Parameter Download




























Fig.1) Select the Parameter Download
Fig.2) Parameter Download
Fig.3) Parameter Download - Non Air Suspension 1st
Fig.4) Parameter Download - Non Air Suspension 2nd
Fig.5) Parameter Download - Air Suspension 1st
Fig.6) Parameter Download - Air Suspension 2nd
Fig.7) Parameter Download - Delivery
2 Calibration








Fig.8) Select the Calibration
Fig.9) Calibration
3 Clear "DTC"
4 Confirm the Headlamp movement through the Actuation Test




Fig.10) Actuation Test
5 Confirm the "DTC" and "Service data"