Basic Inspection

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Before performing diagnosis, check the following items that might affect the problems related to the cockpit control module.

Check the battery. Ref. to STARTING/CHARGING SYSTEMS (H4DOTC)>BATTERY>INSPECTION
Check the relay and fuse condition. Ref. to ENTERTAINMENT & MONITORING>RELAY AND FUSE
Check the connecting condition of harness and harness connector.
Using the Subaru Select Monitor with the ignition switch set to ACC or ON, check the following items under the [Data Monitor] of [Cockpit Control].
- [ACC Power connection state] is [ON].
- If [ACC Power connection state] is not displayed as [ON], perform the diagnosis for the body control. Ref. to BODY CONTROL (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE