DTC U3000:49 [ADAPTIVE FRONT LIGHTING SYSTEM (AFS)]

id09021n935100

Description

AFS control module internal malfunction

•  RAM/ROM malfunction
•  AFS function malfunction
•  CAN hardware malfunction
Detection condition
•  RAM/ROM malfunction
―  AFS control module detected a malfunction in the internal RAM/ROM.
•  AFS function malfunction
―  AFS control module detected AFS function malfunction three times continuously.
•  CAN hardware malfunction
―  AFS control module detected CAN hardware malfunction three times continuously.
Fail-safe function
•  RAM/ROM malfunction
―  The swivel actuator is moved to the center.
―  The headlight leveling actuator is stopped at the position when the malfunction is determined.
•  AFS function malfunction
―  Not applicable
•  CAN hardware malfunction
―  The swivel actuator is moved to the center.
―  The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause
•  AFS control module internal malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action
1
PERFORM DTC INSPECTION AND VERIFY AFS CONTROL MODULE MALFUNCTION
•  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.
2
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)].)
No
DTC troubleshooting completed.