Disconnect the negative (-) battery terminal.

Remove the air vent.

(Refer to the BD group - "Crash pad")

After removing the screws, remove the heater control module (A).

Remove the heater control module connector (A).

Remove the hazard lamp switch (A).

Install the heater control module.

Install the air vent.

Install the negative(-) battery terminal.

It will be able to diagnose defects of hazard lamp with GDS quickly. GDS can operates actuator forcefully, input/output value monitoring and self diagnosis.

Select "Current data", if you will check current data of hazard switch.

If you will check the hazard switch operation forcefully, select "Actuation test".