Honda Civic manuals

Subaru Legacy BN/BS (2015-2019) Service Manual: Basic diagnostic procedure procedure

CAUTION:

Subaru Select Monitor kit is required for reading DTC, performing diagnosis and reading current data.

Before removal or installation, be sure to remove any foreign matter (dust, moisture, oil, etc.).

Registration of immobilizer may be needed after the replacement of control modules, etc. For detailed procedure, refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume.

NOTE:

Using the Function Setting (Customize), check that the keyless access system is not in a cancelled state. Function Setting (Customize) > OPERATION

Check List for Interview Check List for Interview

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1.CHECK BATTERY.

Using a tester, measure the battery voltage.

Is the voltage 11 V or more-

Basic Diagnostic Procedure > PROCEDURE

Charge or replace the battery and perform check pre-inspection. Basic Diagnostic Procedure > PROCEDURE

2.CHECK PRE-INSPECTION.

Use the interview check list to interview the user. Check List for Interview

Was the symptoms of the trouble recorded in the interview-

Basic Diagnostic Procedure > PROCEDURE

Interview the user again.

3.BASIC INSPECTION.

Perform the inspection for LAN system. Basic Diagnostic Procedure > PROCEDURE

Is LAN system normal-

Basic Diagnostic Procedure > PROCEDURE

Check it according to DTC of LAN system. Basic Diagnostic Procedure > PROCEDURE

4.CHECK TROUBLE SYMPTOM.

1) Read diagnostic trouble code (DTC) for the «keyless access with push button start». 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

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

NOTE:

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

Is DTC displayed on Subaru Select Monitor-

Perform diagnosis according to the DTC. After diagnosis, Basic Diagnostic Procedure > PROCEDURE

Basic Diagnostic Procedure > PROCEDURE

5.CHECK PHENOMENON LIST.

Check the “Phenomenon List”. General Diagnostic Table

Is there a symptom that corresponds in the phenomenon list-

Perform diagnosis according to the procedures in the phenomenon list.

Basic Diagnostic Procedure > PROCEDURE

6.CHECK TROUBLE PHENOMENON.

1) Perform check of current data. Read Current Data

2) Perform a function check.

3) Perform a unit check.

Was the trouble cause found-

Repair the cause of trouble.

Repeat a basic check again.

7.PERFORM DIAGNOSIS.

1) Perform the Clear Memory Mode. Clear Memory Mode

2) Perform the Inspection Mode. Inspection Mode

Is DTC displayed on Subaru Select Monitor-

Perform diagnosis according to the DTC.

Finish the diagnosis.

Keyless access with push button start system (diagnostics)
...

Check list for interview check
Inspect the following items regarding the vehicle’s state.Keyless Access with Push Button Start System Trouble Check List for Interview Received Year Month DateCustomer&rsquo ...

Other materials:

Dtc b2a0f backup battery degradation
DIAGNOSIS START CONDITION:When ignition switch is ON.DTC DETECTING CONDITION:• Backup battery voltage of charger is low.• Charging attempt of 2 V or more fails after the backup battery has been charged for 1 hour continuously.• Full charging is not achieved after the backup battery ...

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