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Home >> Subaru >> 2015 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Lighting System) >> Turn Signal Light and Hazard Light System >> Inspection >> Check Turn Signal Light System

Check Turn Signal Light System

WARNING: This page is about a different car, the 2015 Subaru Outback and 2015 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTICS PROCEDURE

Step Check Yes No
1 CHECK TURN SIGNAL LIGHT OPERATION  .
  1. Turn the ignition to ON.
  2. Turn the turn signal light switch LH and RH to ON.
Does the turn signal light blink? The turn signal light system is normal. Go to step .
2 CHECK CURRENT DATA  .
Display the data of «Left turn signal input» and «Right turn signal input» using Subaru Select Monitor.
NOTE: For detailed procedures, refer to "PC application help for Subaru Select Monitor".
Does the display change to OFF ←→ ON, when the turn signal switch is turned to ON? Check the body integrated unit and replace it if defective. <Ref. to BASIC DIAGNOSTIC PROCEDURE .> Go to step .
3 CHECK TURN SIGNAL SWITCH  .
Check the turn signal switch. <Ref. to INSPECTION , Hazard Switch.>
Is the turn signal switch OK? Go to step . Replace the combination switch (light).
4 CHECK HARNESS  .
  1. Disconnect the connectors of body integrated unit and combination switch (light).
  2. Check the harness between body integrated unit and combination switch (light).
Is harness normal? Check the body integrated unit and replace it if defective. <Ref. to BASIC DIAGNOSTIC PROCEDURE .> Repair or replace the harness.