FixVault

Daytime Running Light System Check

Step Check Yes No
1 CHECK DTC. 
  1. Prepare the Subaru Select Monitor kit.
  2. Turn the ignition switch to ON (engine OFF) and run the "PC application for Subaru Select Monitor".
  3. On «System Selection Menu» display, select {Integ. unit mode}.
  4. Select {Diagnostic Code(s) Display}.
Is DTC displayed? Perform the diagnosis according to DTC. Go to step .
2 CHECK INPUT SIGNAL. 
  1. From the state in step 1), select {Integ. unit mode}.
  2. Select the following input signals.
    1. Parking Brake Switch Input
    2. Shift position
    3. Lighting II Switch Input
Is the input signal normal? Go to step . Check the defective part.
3 CHECK RELAY. 
Check the daytime running light relay. Refer to CHECK RELAY .
Is the relay OK? Go to step . Replace the relay.
4 CHECK HARNESS.  Is harness normal? Replace the body integrated unit. Refer to REMOVAL . Repair or replace the harness.