Subaru Crosstrek Service Manual: Basic diagnostic procedure Procedure

1.PERFORM CUSTOMER INTERVIEW.

Using the Check List for Interview, ask the customer the condition of how the trouble occurred. Check List for Interview > CHECK">

Did you interview the customer?

Basic Diagnostic Procedure > PROCEDURE">Go to Step 2.

Interview the customer. Check List for Interview > CHECK">

2.CHECK LAN SYSTEM.

Inspect LAN system. Basic Diagnostic Procedure > PROCEDURE">

Is there any fault?

Perform the inspection according to the diagnosis for LAN system.

Basic Diagnostic Procedure > PROCEDURE">Go to Step 3.

3.CHECK AUTO HEADLIGHT BEAM LEVELER SYSTEM.

Using the Subaru Select Monitor, read DTC of the auto headlight beam leveler system inspection. Read Diagnostic Trouble Code (DTC) > OPERATION">

NOTE:

If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. Subaru Select Monitor > INSPECTION">

Is DTC displayed?

Record DTC and time stamp, and perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC) > LIST">

For time stamp, refer to “LAN SYSTEM”. General Description > CAUTION">

Basic Diagnostic Procedure > PROCEDURE">Go to Step 4.

4.CHECK DIAGNOSTICS WITH PHENOMENON.

Check “Diagnostics with Phenomenon”. Diagnostics with Phenomenon">

Does the symptom apply?

Perform diagnosis according to the procedures in the diagnostics with phenomenon.

Basic Diagnostic Procedure > PROCEDURE">Go to Step 5.

5.CHECK TROUBLE PHENOMENON.

1) Perform the basic inspection and function check. General Description > INSPECTION">

2) Check the auto headlight beam leveler CM. Control Module I/O Signal">

3) Perform check of current data. Read Current Data">

4) Perform a unit check.

Was the trouble cause found?

Repair or replace the cause of trouble.

System is normal.

Operation

Check list for interview Check

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