Mode 03 (EGR System, Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode)

Start the engine and warm it up completely.
Verify all accessory loads (A/C, headlights, blower fan, rear window defogger) are off.
Drive the vehicle as shown in the graph.

Fig 1: Vehicle Speed Graph (55 MPH)
Courtesy of MAZDA MOTORS CORP.

*1: Accelerate in D position. (accelerate to 89 km/h {55 mph} within 20 s.)

*2: Accelerate in D position. (accelerate to 72 km/h {45 mph} within 15 s.)
Stop the vehicle and access the ON BOARD SYSTEM READINESS menu of GENERIC OBD-II FUNCTION to verify the OBD monitoring status. (See ON-BOARD DIAGNOSTIC TEST .)
- If completed, the OBD monitoring status items change from non-completed to completed.
- If not completed, switch the ignition off then repeat from Step 3.
Access the DIAGNOSTIC MONITORING TEST RESULTS menu of GENERIC OBD-II FUNCTIONS to verify the monitor results. (See DIAGNOSTIC MONITORING TEST RESULTS .)
- If detected values are not within specification, repair has not been completed.
Verify that no DTCs are displayed.