Hyundai Sonata: Auto Light Switch. Repair procedures
Inspection
Lighting Switch Inspection
With the multi function switch in each position, make sure that continuity
exists between the terminals below. If continuity is not as specified, replace
the multi-function switch.

Lighting Switch (Auto Light)

Schematic Diagrams
Circuit Diagram
...
Auto Light Sensor. Repair procedures
Inspection
In the state of IGN1 ON, when multi function switch module detects auto
light switch on, tail lamp relay output and head lamp low relay output are controlled
according to auto lig ...
See also:
Before entering vehicle
Be sure that all windows, outside mirror( s), and outside lights are clean.
Check the condition of the tires.
Check under the vehicle for any sign of leaks.
Be sure there are no obstacles beh ...
Injector. Description and Operation
Description
Based on information from various sensors, the ECM can calculate the fuel
amount to be injected. The fuel injector is a solenoid-operated valve and the
fuel injection amount is c ...
Warnings and indicators
All warning lights are checked by turning the ignition switch ON (do not start
the engine). Any light that does not illuminate should be checked by an authorized
HYUNDAI dealer.
After starting th ...
