Contents Section: Lighting System (except Sti) All sections

DAYTIME RUNNING LIGHT MODULE CHECK Subaru Impreza WRX STI GR

DAYTIME RUNNING LIGHT MODULE CHECK

StepCheckYesNo
1 CHECK DTC. Connect the Subaru Select Monitor. Read the DTC of the integrated unit.Is DTC displayed?Perform the diagnosis according to DTC.Go to step 2.
2 CHECK INPUT SIGNAL. Display the current data of the integrated unit. Check the following input signals. Parking brake switch Shift position Light 2Is the input signal normal?Go to step 3.Check the defective part.
3 CHECK RELAY. Check the daytime running light relay.Is the relay OK?Go to step 4.Replace the relay.
4 CHECK HARNESS.Is harness normal?Replace the integrated unit.Repair the harness.

DAYTIME RUNNING LIGHT DIAGNOSTIC PROCEDURE