AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC B2900 AHL CONTROL
DTC DETECTING CONDITION:
Detected when internal malfunction occurs in the auto headlight beam leveler CM.
TROUBLE SYMPTOM:
The auto headlight beam leveler does not operate.
CAUTION:
Initialization is required after replacing the auto headlight beam leveler CM.
| STEP | CHECK | YES | NO |
1.CHECK DTC.
1) Turn the ignition switch to OFF > ON.
2) Turn on the headlight low beam.
3) Using the Subaru Select Monitor, clear the auto headlight beam leveler system memory. Clear Memory Mode">
4) Turn the ignition switch to OFF > ON.
5) Use the Subaru Select Monitor and read DTCs. Read Diagnostic Trouble Code (DTC)">
Is DTC B2900 displayed? (current malfunction)
Replace the auto headlight beam leveler CM. Auto Headlight Beam Leveler Control Module">
Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.
NOTE:
In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.
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1. Perform the preparation steps according
to "Preparation for car settings"
2. Operate the " " or "
" switch to
select the "Auto Light Sensor" item. Then
push the button.
3. The current setting will be displayed.
Push the button to enter the
selection
mode.
4. Selec ...
Check engine warning light/Malfunction indicator light
CAUTION
If the CHECK ENGINE light illuminates
while you are driving, have
your vehicle checked/repaired by
your SUBARU dealer as soon as
possible. Continued vehicle operation
without having the emission
control system checked and repaired
as necessary could cause
serious damage, which may n ...
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