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Subaru Legacy Service Manual: Basic diagnostic procedure procedure

Subaru Legacy Service Manual / Airbag system (diagnostics) / Basic diagnostic procedure procedure

STEPCHECKYESNO

1.CHECK WARNING LIGHT.

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

Does the airbag warning light illuminate-

Basic Diagnostic Procedure > PROCEDURE

Perform the diagnosis according to phenomenon of the problem.

2.READ DTC.

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) Read the DTC. (Current malfunction) Read Diagnostic Trouble Code (DTC)

NOTE:

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

5) Record all DTCs, time stamp and freeze frame data.

NOTE:

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

Is DTC displayed-

Basic Diagnostic Procedure > PROCEDURE

Go to “Airbag Warning Light Failure” Airbag Warning Light Failure.

3.PERFORM DIAGNOSIS.

1) Determine the possible cause from “List of Diagnostic Trouble Code (DTC)” List of Diagnostic Trouble Code (DTC).

2) Inspect the DTC using “List of Diagnostic Trouble Code (DTC)”.

3) Repair the trouble cause.

4) Perform the Clear Memory Mode. Clear Memory Mode

5) Perform the Inspection Mode. Inspection Mode

6) Read any other DTCs displayed.

Is DTC displayed-

Perform the procedure 1) to 5) in step 3.

Finish the diagnosis.

Airbag warning light illumination pattern inspection
Turn the ignition switch to ON, and confirm that the airbag warning light remains on for approx. 6 seconds then turns off afterwards.(1)Airbag warning light(2)Approx. 6 seconds(3)Ignition switch ON ...

Batch save of event record data operation
1. On «Start» display, select «Diagnosis».2. On «Vehicle selection» display, input the target vehicle information and select «Confirmed».3. On «Main Menu» display, select «Each System».4. ...

Other materials:

Dtc b1652 half connection in airbag sensor assembly connector
DIAGNOSIS START CONDITION:Ignition voltage is 10 V to 16 V.DTC DETECTING CONDITION:Connection failure of airbag CM connectorCAUTION:Before performing diagnosis, refer to “CAUTION” in “General Description”. General Description > CAUTIONSTEPCHECKYESNO1.CHECK CONNECTOR.Check fo ...

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