DTC B10A4:86 [ADAPTIVE FRONT LIGHTING SYSTEM (AFS)]


id09021n934600

Description

Communication error with swivel actuator (RH)

Detection condition
•  AFS control module received the error signals from the swivel actuator (RH) for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe function
•  The swivel actuator (RH) is stopped at the position when the malfunction is determined.
•  The swivel actuator (LH) is moved to the center.
•  Control of the headlight auto leveling system is continued with the headlight leveling actuator positioned −0.65° from where the malfunction is determined.
Possible cause
•  Front combination light (RH) poor connection
•  Swivel actuator (RH) malfunction
•  AFS control module malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY IGNITER (RH) INSTALLATION CONDITION
•  Verify the installation condition of the igniter (RH).
•  Is the igniter (RH) installed correctly?
Yes
Go to the next step.
No
Install the igniter (RH) correctly, then go to Step 3.
2
PERFORM DTC INSPECTION AND VERIFY SWIVEL ACTUATOR (RH) MALFUNCTION
•  Clear the DTC for the AFS control module using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 5 s or more.
•  Retrieve the AFS control module DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the front combination light (RH), then go to the next step.
No
Go to Step 4.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the AFS control module using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 5 s or more.
•  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.
4
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.