Preparation
Control unitAutomatic drive positioner control unit
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
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Both side headlamps (LO) are not turned on
Description
The headlamps (both sides) do not turn ON in any lighting switch setting.
Diagnosis Procedure
1.CHECK COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH)
Check the combination switch (lighting and turn signal switch).
2.CHECK HEADLAMP (LO) REQUEST SIGNAL INPUT
CONSULT DATA MONITOR ...
Warning function symptoms
Symptom Table
WARNING FUNCTION MALFUNCTION
NOTE:
Before performing the diagnosis in the following table, check
"WORK FLOW". Refer to DLK-9, "Work Flow".
Check that vehicle is under the condition shown in "Conditions
of vehicle" before starting diagnosis, and
check each sy ...