Check Of Welcome Lighting System

Trouble symptom: 

Welcome lighting does not illuminate.

1. CHECK BODY INTEGRATED UNIT SETTING  .

   Display the data of [Welcome Light Off Delay Time (Approaching)] or [Welcome Light Off Delay Time (Exiting)] using Subaru Select Monitor. Ref. to BODY CONTROL (DIAGNOSTICS)>CUSTOMIZE .

   Is the setting other than [OFF]?

   Yes:  Go to  2.

   No:  Turn the setting to other than [OFF].

2. CHECK BODY INTEGRATED UNIT SETTING  .

   Display the [Illumination Sensor Setting] data using Subaru Select Monitor. Ref. to BODY CONTROL (DIAGNOSTICS)>CUSTOMIZE .

   Is the setting in the [Exist]?

   Yes:  Go to  3.

   No:  Turn the setting to [Support].

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 light and headlight illuminate?

   Yes:  Go to  4.

   No:  Check the auto headlight system. Ref. to LIGHTING SYSTEM>HEADLIGHT SYSTEM>INSPECTION>AUTO HEADLIGHT SYSTEM CHECK .

4. CHECK DOOR LOCK  .

   Operate the door lock using the keyless transmitter or the access key.

   Do the lock and unlock operate properly?

   Yes:  Go to  5.

   No:  Check keyless entry system. Ref. to KEYLESS ENTRY (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .

   Check the keyless access with push button start system. Ref. to KEYLESS ACCESS WITH PUSH BUTTON START (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .

5. CHECK BODY INTEGRATED UNIT  .
   1. Display the data of [IGN voltage] and [BATT voltage (BACKUP)] using Subaru Select Monitor.

      Ref. to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR .

   2. Turn the ignition switch to ON.

   Is the voltage 10 - 15 V?

   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:  Repair or replace the harness or fuse.

Trouble symptom: 

Welcome lighting does not go off.

1. CHECK BODY INTEGRATED UNIT SETTING  .

   Display the data of [Welcome Light Off Delay Time (Approaching)] or [Welcome Light Off Delay Time (Exiting)] using Subaru Select Monitor. Ref. to BODY CONTROL (DIAGNOSTICS)>CUSTOMIZE .

   Is the illumination time setting correct?

   Yes:  Go to  2.

   No:  Set the illumination time.

2. CHECK THE LIGHTS  .

   Set the lighting switch to the switch 1 (TAIL) and switch 2 (HEAD).

   Do the parking light, tail light and headlight illuminate?

   Yes:  Go to  3.

   No:  Check the combination switch (light) and each light circuit.

3. CHECK BODY INTEGRATED UNIT  .
   1. Display the [BATT voltage (BACKUP)] data using Subaru Select Monitor. Ref. to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR .
   2. Turn the ignition switch to ON.

   Is the voltage 10 - 15 V?

   Yes:  Go to  4.

   No:  Repair or replace the harness or fuse.

4. CHECK BODY INTEGRATED UNIT  .

   Display the [Driver's door SW input] data using Subaru Select Monitor. Ref. to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR .

   Does the display switch between [OFF] ←→ [ON] when driver's door is opened/closed?

   Yes:  Go to  5.

   No:  Check the door switch. Ref. to SECURITY AND LOCKS>DOOR LOCK CONTROL SYSTEM>INSPECTION>CHECK DOOR SWITCH .

5. CHECK DOOR LOCK  .

   Operate the door lock using the keyless transmitter or the access key.

   Do the lock and unlock operate properly?

   Yes:  Replace the body integrated unit. Ref. to BODY CONTROL/COMMUNICATION SYSTEM>BODY INTEGRATED UNIT .

   No:  Check keyless entry system. Ref. to KEYLESS ENTRY (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .

   Check the keyless access with push button start system. Ref. to KEYLESS ACCESS WITH PUSH BUTTON START (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE .