DTC Clearing Procedure

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

Start the on-board diagnostic test mode.
First press the POWER button and hold it, then press AUDIO CONT button for 2 seconds or more.

Fig 1: Identifying POWER Button & AUDIO CONT Button
Courtesy of MAZDA MOTORS CORP.
CAUTION:
- Before clearing the DTCs, be sure to enter all of them displayed in the onboard diagnostic test mode in the Audio Exchange Order Form.
To stop the on-board diagnostic test mode, turn the ignition switch to the LOCK position.