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

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. (See HEADLIGHT AUTO LEVELING SYSTEM INITIALIZATION.) • Clear the DTC for the AFS control module using the M-MDS. (See CLEARING DTC [ADAPTIVE FRONT LIGHTING SYSTEM (AFS)].) • Retrieve the AFS control module DTCs using the M-MDS. (See DTC INSPECTION [ADAPTIVE FRONT LIGHTING SYSTEM (AFS)].) • Is the same DTC 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 DTC for the AFS control module using the M-MDS. (See CLEARING DTC [ADAPTIVE FRONT LIGHTING SYSTEM (AFS)].) • Retrieve the AFS control module DTCs using the M-MDS. (See DTC INSPECTION [ADAPTIVE FRONT LIGHTING SYSTEM (AFS)].) • Is the same DTC displayed?	Yes	Repeat the inspection from Step 1. • If the malfunction recurs, replace the AFS control module. (See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION.) Go to the next step.
2		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. (See DTC TABLE [ADAPTIVE FRONT LIGHTING SYSTEM (AFS)].)
3		No	DTC troubleshooting completed.