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

id1502b6025600

System malfunction location

Headlight auto leveling system initialization error

Detection condition

•  Ignition is switched ON (engine off or on) and headlight auto leveling system initialization is not performed.

Fail-safe

•  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 error

•  AFS control module malfunction

System wiring diagram

—

System malfunction location	Headlight auto leveling system initialization error
Detection condition	• Ignition is switched ON (engine off or on) and headlight auto leveling system initialization is not performed.
Fail-safe	• 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 error • AFS control module malfunction
System wiring diagram	—

Diagnostic Procedure

Step	Inspection		Action
1	PERFORM HEADLIGHT AUTO LEVELING SYSTEM INITIALIZATION • Perform headlight auto leveling system initialization. (See HEADLIGHT AUTO LEVELING SYSTEM INITIALIZATION.) • Clear the AFS control module DTCs using the M-MDS. (See CLEARING DTC [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE].) • Perform the DTC inspection for the AFS control module using the M-MDS. (See DTC INSPECTION [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE].) • Is DTC B1041:54 displayed?	Yes	Perform the headlight auto leveling system initialization again, then go to the next step. (See HEADLIGHT AUTO LEVELING SYSTEM INITIALIZATION.)
1		No	Go to Step 3.
2	VERIFY THAT REPAIRS HAVE BEEN COMPLETED • Clear the AFS control module DTCs using the M-MDS. (See CLEARING DTC [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE].) • Perform the DTC inspection for the AFS control module using the M-MDS. (See DTC INSPECTION [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE].) • Is DTC B1041:54 displayed?	Yes	Replace the AFS control module, then go to the next step. (See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION.)
2		No	Go to the next step.
3	VERIFY IF OTHER DTCs DISPLAYED • Are any other DTCs displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE].)
3		No	DTC troubleshooting completed.