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Subaru Legacy Service Manual: Basic diagnostic procedure procedure

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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

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

3.CHECK DTC.

Read the DTC of the steering responsive fog light using the Subaru Select Monitor. 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

After diagnosis is completed, Basic Diagnostic Procedure > PROCEDURE

Basic Diagnostic Procedure > PROCEDURE

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

5.CHECK TROUBLE PHENOMENON.

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

2) Check the SRF 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.

6.PERFORM DIAGNOSIS.

1) Perform the Clear Memory Mode. Clear Memory Mode

2) Perform the Inspection Mode. Inspection Mode

Is DTC displayed-

Perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC) > LIST

Finish the diagnosis.

Steering responsive fog lights (diagnostics)
...

Check list for interview check
• Inspect the following items regarding the vehicle’s state.• Print out this page for interviewing customers.Steering Responsive Fog Light Check List for Interview ...

Other materials:

Inspection
1. Measure the resistance between connector terminals.Preparation tool:Circuit testerConnectorTerminal No.Inspection conditionsStandard(a)1 — 3OpenLess than 1 -4 — 3CloseLess than 1 -(b)1 — 3Tilt downLess than 1 -4 — 3Tilt upLess than 1 -2. Replace the sunroof switch if the inspection result ...

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