Daytime Running Light Module Check

WARNING: This page is about a different car, the 2017 Subaru Outback and 2017 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

Step	Check	Yes	No
1 CHECK BODY INTEGRATED UNIT. Read the DTC of body integrated unit using Subaru Select Monitor. NOTE: For detailed operation procedures, refer to "Application help".	Is DTC displayed?	Perform the diagnosis according to DTC.	Go to step 2 .
2 CHECK CURRENT DATA. Display the following items using Subaru Select Monitor. «EPB Operating status» «Shift position» «Lighting II Switch Input»	Is the input signal normal?	Go to step 3 .	Check the defective part.
3 CHECK FUSE. Check the headlight HI fuse (LH/RH). <Ref. to RELAY AND FUSE .>	Is the fuse OK?	Go to step 4 .	Replace the fuse.
4 CHECK HEADLIGHT ILLUMINATION. Turn the ignition switch to ON. Turn the lighting switch to the switch 2 (HEAD) position. Turn the dimmer & passing switch to the switch UP position.	Does the headlight (high beam) illuminate?	Go to step 5 .	Check the combination switch (light) and headlight bulb.
5 CHECK RELAY. Check the daytime running light relay (LH/RH) and headlight HI relay (LO/HI). <Ref. to RELAY AND FUSE .>	Is each relay normal?	Go to step 6 .	Replace the relay.
6 CHECK DAYTIME RUNNING LIGHT RESISTOR. Check the daytime running light resistor. <Ref. to INSPECTION , Day Time Running Resistor.>	Does the daytime running light resistor normal?	Go to step 7 .	Replace the daytime running light resistor.
7 CHECK HARNESS. Disconnect the connectors of body integrated unit, daytime running light relay, daytime running light resistor, and headlight. Check each harness.	Is harness normal?	Replace the body integrated unit. <Ref. to BODY INTEGRATED UNIT .>	Repair or replace the harness.