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Check Of Welcome Lighting System: Trouble Symptom

WARNING: This page is about a different car, the 2016 Subaru Outback and 2016 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

Welcome lighting does not illuminate.

DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK BODY INTEGRATED UNIT SETTING. 
Display the data of «Welcome Light Off Delay Time (Approaching)» or «Welcome Light Off Delay Time (Exiting)» using the Subaru Select Monitor.
NOTE: For detailed procedures, refer to "Application help".
 Is the setting ON? Go to step 2  . Turn to the setting other than OFF.
2 CHECK BODY INTEGRATED UNIT SETTING. 
Display the data of «Illumination Sensor Setting » using Subaru Select Monitor.		 Is the setting "ON"? Go to step 3  . Turn the setting to "ON".
3 CHECK AUTO HEADLIGHT. 
  1. Set the lighting switch to AUTO position.
  2. Make the light control sensor vicinity dark.
  3. Turn the ignition switch to ON.
 Do the parking light, tail and headlight illuminate? Go to step 4  . Check the auto headlight system. < Ref. to AUTO HEADLIGHT SYSTEM CHECK , INSPECTION, Headlight System. >
4 CHECK DOOR LOCK. 
Operate the door lock using the keyless transmitter or the access key.		 Do the lock and unlock operate properly? Go to step 5  .
5 CHECK BODY INTEGRATED UNIT. 
  1. Display the data of «IG power supply voltage » using Subaru Select Monitor.
  2. Turn the ignition switch to ON.
 Is the voltage 10 - 15 V? Replace the body integrated unit. < Ref. to BODY INTEGRATED UNIT . > Repair or replace the harness.


Welcome lighting does not go off.

DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK BODY INTEGRATED UNIT SETTING. 
Display the data of «Welcome Light Off Delay Time (Approaching)» or «Welcome Light Off Delay Time (Exiting)» using the Subaru Select Monitor.
NOTE: For detailed procedures, refer to "Application help".
 Is the illumination time setting correct? Go to step 2  . Set the illumination time.
2 CHECK THE LIGHTS. 
Set the lighting switch to the switch 1 (PARKING) and switch 2 (HEAD).		 Do the parking light, tail light and headlight illuminate? Go to step 3  . Check the combination switch (light) and each light circuit.
3 CHECK BODY INTEGRATED UNIT. 
Using the Subaru Select Monitor, display the data of «Driver's door SW input».		 Does the display switch between OFF ←→ ON when driver's door is opened/closed? Go to step 4  . Check the door switch. < Ref. to CHECK DOOR SWITCH , INSPECTION, Keyless Entry System. >
4 CHECK DOOR LOCK. 
Operate the door lock using the keyless transmitter or the access key.		 Do the lock and unlock operate properly? Replace the body integrated unit. < Ref. to BODY INTEGRATED UNIT . >
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