Check Lane Change Signal Function

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Operate the appropriate switch according to the inspection condition.

CHECK HAZARD LIGHT SYSTEM .
Check the hazard light system. Ref. to LIGHTING SYSTEM>TURN SIGNAL LIGHT AND HAZARD LIGHT SYSTEM>INSPECTION>CHECK HAZARD LIGHT OPERATION

Is the hazard light system normal?

Yes : Go to 2.

No : Repair the hazard light system.
CHECK TURN SIGNAL LIGHT SYSTEM .
Check the turn signal light system. Ref. to LIGHTING SYSTEM>TURN SIGNAL LIGHT AND HAZARD LIGHT SYSTEM>INSPECTION>CHECK TURN SIGNAL LIGHT SYSTEM

Is the turn signal light system normal?

Yes : Go to 3.

No : Repair the turn signal light system.
CHECK BODY INTEGRATED UNIT SETTING .
Using Subaru Select Monitor, display data of [Lane change signal setting] in [Customize] of [Body Control]. Ref. to BODY CONTROL (DIAGNOSTICS)>CUSTOMIZE

Is the setting in the [Support]?

Yes : Check the body integrated unit and replace it if defective.
- Inspection: Ref. to BODY CONTROL (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE
- Replacement: Ref. to BODY CONTROL/COMMUNICATION SYSTEM>BODY INTEGRATED UNIT
No : Turn the setting to [Support].