Without DRL lamp bulb

WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Switch the ignition to off.
Set a jumper wire to the DLC-2 B terminal.
Turn on the headlights TNS position.
Switch the ignition to ON.

Fig 1: Identifying Data Link Connector (DLC-2)
Courtesy of MAZDA MOTORS CORP.
Verify that the AFS OFF light flashes.

Fig 2: Identifying Data Link Connector (DLC-2)
Courtesy of MAZDA MOTORS CORP.
Connect terminal B (INIT) of the DLC-2 to terminal J (GND) using a jumper wire.
The headlight switch switches in the following order: TNS→ON→OFF→ON→OFF→ON→OFF
After the AFS OFF light flashes three times at 0.5 s intervals, verify that it turns off.
- If the AFS OFF light continues to flash at 0.5 s intervals, the following malfunction can be considered. Repair or replace the malfunctioning area, then repeat the procedure from Step 1.
  - Auto leveling sensor malfunction (See AUTO LEVELING SENSOR INSPECTION .)
  - Instrument cluster malfunction (See INSTRUMENT CLUSTER INSPECTION .)
  - AFS control module malfunction
  - Malfunction in the related wiring harnesses
Pull out the jumper wire from DLC-2.
Verify that the AFS OFF light is not illuminated.

Fig 3: Identifying AFS OFF Light And Instrument Cluster
Courtesy of MAZDA MOTORS CORP.