Subaru Crosstrek Service Manual: Airbag warning light remains on

Detecting condition:

• Airbag warning light is faulty.

• Airbag control module to combination meter circuit is shorted or open.

• Grounding circuit is faulty.

• Airbag control module is faulty.

• Connector connection is improper.

• Connections of (AB6, AB17, AB18) to airbag control module are improper.

Before performing diagnosis, refer to “CAUTION” in “General Description”. General Description > CAUTION">

1.CHECK CAN COMMUNICATION.

Inspect LAN system. Basic Diagnostic Procedure > PROCEDURE">

Is there any fault?

Repair it according to diagnosis of LAN system.

Airbag Warning Light Failure > AIRBAG WARNING LIGHT REMAINS ON">Go to Step 2.

2.CHECK DTC.

1) Turn the ignition switch to OFF, disconnect the battery ground cable, and wait for 60 seconds or more.

2) Check the connection status of airbag CM connector.

Is there poor contact of connector?

Reconnect the connector. Or repair the connector.

Airbag Warning Light Failure > AIRBAG WARNING LIGHT REMAINS ON">Go to Step 3.

3.CHECK FOR POOR CONTACT.

Check the combination meter. Basic Diagnostic Procedure > PROCEDURE">

Is there any fault?

Repair it according to INSTRUMENTATION/DRIVER INFO (DIAGNOSTICS).

Replace the airbag CM. Airbag Control Module > REMOVAL">

Airbag warning light remains off

Diagnostic chart with trouble code

Other materials:

Intake manifold vacuum Inspection
MECHANICAL(H4DO) > Intake Manifold VacuumINSPECTION1. Turn the ignition switch to OFF.2. Warm up the engine.3. Install the vacuum gauge.(1) Remove the brake booster vacuum hose from the intake manifold.(2) Connect the vacuum gauge to the intake manifold.4. Keep the engine at idle speed and read t ...

Installation
CONTROL SYSTEMS > Select CableINSTALLATION1. Position the select cable as shown in the figure, and install it to the plate assembly.CAUTION:• If the cable is installed in the wrong direction, loosen the bracket bolts, and then reinstall the cable in the correct direction.• Do not adju ...

Remote keyless entry system
CAUTION Do not expose the remote transmitter to severe shocks, such as those experienced as a result of dropping or throwing. Do not take the remote transmitter apart except when replacing the battery Do not get the remote transmitter wet. If it gets wet, wipe it dry with a clo ...