LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2013 >> Outback Base, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Anti-Theft System - Security And Locks) >> Keyless Entry System >> Inspection >> Check Hazard Light Operation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Check Hazard Light Operation

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
Step Check Yes No
1 CHECK HAZARD LIGHT OPERATION. 
Make sure the hazard light blinks when hazard switch is turned to ON.
Does the hazard light blink? Go to step . Check the hazard light circuit.
2 CHECK OUTPUT TO HAZARD LIGHT. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the key warning switch harness connector.
  3. Prepare the Subaru Select Monitor kit.
  4. Turn the ignition switch to ON (engine OFF) and run the "PC application for Subaru Select Monitor".
  5. On «System Selection Menu» display, select {Integ. unit mode}.
  6. Select {Integ. Unit customizing}.
  7. Check {Emergency light setup}, and then switch to ON setting if necessary.
  8. Select the {Current Data Display & Save}.
  9. Remove the key from ignition switch.
  10. Select the {Hazard Output}.
Is output signal present when operating the transmitter LOCK/UNLOCK button? The hazard light operation circuit is OK. Go to step .
3 CHECK HARNESS BETWEEN HAZARD LIGHT AND BODY INTEGRATED UNIT. 
  1. Disconnect the harness connector of body integrated unit.
  2. Disconnect the turn signal and hazard unit harness connector.
  3. Measure the resistance between body integrated unit and turn signal & hazard unit.

    Connector & terminal 

    (B281) No. 22 - (B32) No. 8: 

Is the resistance less than 10 Ω? Check body integrated unit. < Refer to BASIC DIAGNOSTIC PROCEDURE . > Repair or replace the harness.