DTC B1041:54 [ADAPTIVE FRONT LIGHTING SYSTEM (AFS)]


id09021n934000

Description

Headlight auto leveling system initialization error

Detection condition
•  Headlight auto leveling system initialization is not performed with the ignition switched ON (engine off or on).
Fail-safe function
•  The swivel actuator is moved to the center.
•  The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause
•  Headlight auto leveling system initialization is not performed.
•  AFS control module malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action

1
PERFORM HEADLIGHT AUTO LEVELING SYSTEM INITIALIZATION
•  Perform the headlight auto leveling system initialization.
•  Clear the DTC for the AFS control module using the M-MDS.
•  Retrieve the AFS control module DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Perform the headlight auto leveling system initialization again, then go to the next step.
No
Go to Step 3.
2
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the AFS control module using the M-MDS.
•  Retrieve the AFS control module DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the AFS control module.
Go to the next step.
No
Go to the next step.
3
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.