Checking/clearing diagnostic codes

WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

Preparation before inspection
1. Turn the ignition switch to OFF.
Checking diagnostic codes (read from the SSM3)
1. With IG OFF, connect SSM3 to DLC3.
2. Turn IG to ON, and turn on the SSM3.
3. Operate following the SSM3 display screen. [Each System Check]→ display the [Integ. unit mode] screen, and select [Diagnostic Code(s) Display].
4. Check the diagnostic codes.
Clearing diagnostic code records (Cleared by the SSM3)
1. With IG OFF, connect SSM3 to DLC3.
2. Turn IG to ON, and turn on the SSM3.
3. Operate following the SSM3 display screen. [Each System Check]→ display the [Integ. unit mode] screen, and select [Clear Memory].
4. Select [Deletion], and clear the data.
5. Inspect the diagnosis codes again, and check that the malfunction code was cleared, and that the normal code is displayed.
  CAUTION:
  - If you can't clear it, start over from IG OFF status.
  - Until the cause is identified, do not perform clearing codes with the SSM3.