How to Diagnose Subaru Forester 2019 Airbag System

by Ji Xiaohui vehiclerepair22 This instruction is show you guide on how to diagnostic airbag system for Subaru Forester 2019. 

Subaru EPC3 FAST III Europe+General 05.2019 Download & Installation Service

 

1. PERFORM CUSTOMER INTERVIEW.

Ask the customer when and how the trouble occurred using the interview check list. AIRBAG(DIAGNOSTICS)>Check List for Interview

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Did you interview the customer?
Yes. Go to 2
No. Perform the interview, and go to 2.

2. CHECK WARNING LIGHT.

Check whether the airbag warning light in the combination meter is lit.
Does the airbag warning light illuminate?

Yes. Go to 3
No. Check the illuminating pattern of the airbag warning light. If no fault is found, it is normal at present.

3. CHECK SUBARU SELECT MONITOR COMMUNICATION.
1.Turn the ignition switch to OFF.
2.Connect the Subaru Select Monitor to data link connector.
3.Turn the ignition switch to ON and run the Subaru Select Monitor.
4.Select [Airbag].

Is communication possible?
Yes. Go to 4.
No. Check the communication circuit.

4. CHECK DTC.

Read the DTC of [Airbag] using the Subaru Select Monitor.
Are any DTCs displayed? (Current malfunction)

Yes. Record the DTC, time stamp and freeze frame data, and go to 5
No. Currently, it is normal.

5. PERFORM DIAGNOSIS.
1.Perform the diagnosis for the displayed DTCs.
2.Repair or replace the cause of trouble.
3.Using the Subaru Select Monitor, perform the clear memory of [Airbag].
4.Execute the inspection mode.
5.Read the DTC of [Airbag] using the Subaru Select Monitor.

Are any DTCs displayed? (Current malfunction)
Yes. Repeat step 5 until DTC is not shown.
No. Finish the diagnosis.

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Created on Sep 28th 2020 01:39. Viewed 381 times.

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