Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

Subaru Legacy BN/BS (2015-2019) Service Manual / Lighting system / Day time running light system / Inspection

1. DAYTIME RUNNING LIGHT MODULE CHECK

STEP	CHECK	YES	NO
1.CHECK BODY INTEGRATED UNIT. Read the DTC of body integrated unit using Subaru Select Monitor. NOTE: For detailed procedures, refer to “Application help”.	Is DTC displayed-	Perform the diagnosis according to DTC.	Day Time Running Light System > INSPECTION
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-	Day Time Running Light System > INSPECTION	Check the defective part.
3.CHECK FUSE. Check the headlight HI fuse (LH/RH). Relay and Fuse	Is the fuse OK-	Day Time Running Light System > INSPECTION	Replace the fuse.
4.CHECK HEADLIGHT ILLUMINATION. 1) Turn the ignition switch to ON. 2) Turn the lighting switch to the switch 2 (HEAD) position. 3) Turn the dimmer & passing switch to the switch UP position.	Does the headlight (high beam) illuminate-	Day Time Running Light System > INSPECTION	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). Relay and Fuse	Is each relay normal-	Day Time Running Light System > INSPECTION	Replace the relay.
6.CHECK DAYTIME RUNNING LIGHT RESISTOR. Check the daytime running light resistor. Day Time Running Resistor > INSPECTION	Does the daytime running light resistor normal-	Day Time Running Light System > INSPECTION	Replace the daytime running light resistor.
7.CHECK HARNESS. 1) Disconnect the connectors of body integrated unit, daytime running light relay, daytime running light resistor, and headlight. 2) Check each harness.	Is harness normal-	Replace the body integrated unit. Body Integrated Unit	Repair or replace the harness.

Wiring diagram

Refer to “Headlight System” in the wiring diagram. Headlight System > WIRING DIAGRAM ...

Note

For operation procedures of each component of the daytime running light system, refer to the respective section.• Headlight Assembly: Headlight Assembly• Headlight bulb: Headlight Bulb&b ...

Other materials:

Installation
1. Install the front reduction drive gear and front reduction driven gear. Front Reduction Drive Gear > INSTALLATION2. Install the converter case cover. Converter Case Cover > INSTALLATION3. Install the front differential assembly. Front Differential Assembly > INSTALLATION4. Install the drive pi ...