Subaru Crosstrek Service Manual: Basic diagnostic procedure Procedure

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">Go to Step 2.

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">

Are any DTCs displayed?

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

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. Read Diagnostic Trouble Code (DTC)">

Are any DTCs displayed?

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

Finish the diagnosis.

Airbag warning light illumination pattern Inspection

Batch save of event record data Operation

Other materials:

Removal
VEHICLE DYNAMICS CONTROL (VDC) > Rear ABS Wheel Speed SensorREMOVAL1. 5 DOOR MODEL1. Disconnect the ground cable from battery.2. Lift up the vehicle, and then remove the rear wheels.3. Remove the rear ABS wheel speed sensor.CAUTION:• Be careful not to damage the sensor.• Do not apply ...

Installation
SECURITY AND LOCKS > IG Relay1 (Push Button Start)INSTALLATIONCAUTION:Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">Install each part in the reverse order ...

Read diagnostic trouble code (dtc) Operation
OCCUPANT DETECTION SYSTEM (DIAGNOSTICS) > Read Diagnostic Trouble Code (DTC)OPERATIONRead out DTCs stored in the airbag system and the occupant detection system.1. AIRBAG SYSTEM1. On «Start» display, select «Diagnosis».2. On «Vehicle selection» display, input the target vehicle information ...