FixVault

Basic Diagnostic Procedure: Procedure

CAUTION:
  • Subaru Select Monitor is required for reading DTC, performing diagnosis and reading current data.
  • Remove foreign matter (dust, water, oil, etc.) from the body integrated unit connector during removal and installation.
  • For model with immobilizer, registration of immobilizer is necessary after the replacement of control module, etc. For details, refer to the PC application help for Subaru Select Monitor.
NOTE:
  • To check harness for open or short circuits, shake the suspected trouble spot or connector.
  • Check List for Interview Ref. to CHECK LIST FOR INTERVIEW .
DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK PRE-INSPECTION. 
Ask the customer when and how the trouble occurred using the interview check list. Ref. to CHECK LIST FOR INTERVIEW .
Did you interview the customer? Go to step . Interview the customer.
2 BASIC INSPECTION. 
Check components which might affect body control. Ref. to INSPECTION , General Description.
Is the component that might influence the body control problem normal? Go to step . Repair or replace each component.
3 CHECK DTC. 
  1. Read the DTC. Ref. to OPERATION , Read Diagnostic Trouble Code (DTC).
    NOTE: If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. Ref. to COMMUNICATION FOR INITIALIZING IMPOSSIBLE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
  2. Record all DTCs and freeze frame data.
Is DTC displayed on Subaru Select Monitor? Go to step . Go to step .
4 PERFORM GENERAL DIAGNOSTICS. 
Inspect using "General Diagnostics Table". Ref. to GENERAL DIAGNOSTIC TABLE .
Is result of inspection OK? The body control system is normal. Go to step .
5 PERFORM DIAGNOSIS. 
  1. Correct the cause of trouble.
  2. Perform the Clear Memory Mode. Ref. to OPERATION , Clear Memory Mode.
  3. Read the DTC. Ref. to OPERATION , Read Diagnostic Trouble Code (DTC).
Is DTC displayed on Subaru Select Monitor? Repeat step 5 until DTC is not shown. Finish the diagnosis.