LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1998 >> 626 DX, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Introduction >> Additional System Functions >> Drive Cycles >> OBD-II Drive Cycle
April 5, 2026: LEMON Manuals is launched! Read the announcement.

OBD-II Drive Cycle

  1. Perform VEHICLE PREPARATION. Drive vehicle in stop and go traffic with a minimum of 4 idle periods (30 seconds each) while observing OBD-II monitor status on scan tool. If Exhaust Gas Recirculation (EGR), HEATED OXYGEN SENSOR (HO2S), Secondary Air (AIR) or catalyst efficiency monitor is not completed, drive vehicle at a constant speed more than 40 MPH, but less than 65 MPH for up to 15 minutes.
  2. DO NOT open throttle wide open, use heavy accelerations or use sudden accelerations. If scan tool sounds a 3 beep pulse at any time, OBD-II drive cycle is complete. If EGR, HO2S, AIR or catalyst efficiency monitor is not completed, perform appropriate monitor verification drive cycle. Shut engine off. Retrieve Continuous Memory DTCs to verify DTC P1000 has been cleared.
scientia non olet · About LEMON Manuals