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Home >> Cadillac >> 2004 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 189 (On-Board Diagnostic [Engine Control System]) >> OBD-II Drive Mode >> EGR System Repair Verification Drive Mode
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EGR System Repair Verification Drive Mode

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform "PCM Adaptive Memory Production Drive Mode"  first.
  2. Verify all accessory loads (A/C, headlights, blower fan, rear window defroster) are off.
  3. Drive the vehicle as shown in the graph.
  4. Stop the vehicle and access ON BOARD SYSTEM READINESS menu of GENERIC OBD-II FUNCTION to verify the OBD monitoring status.
    • If completed, the OBD monitoring status items change from non-completed to completed.
    • If not completed, turn the ignition key off then repeat from Steps  3 .
  5. Access DIAGNOSTIC MONITORING TEST RESULTS menu of GENERIC OBD-II FUNCTIONS to verify the monitor results.
    • If detected values are not within specification, repair has not been completed.
  6. Verify no DTCs are available.
    Fig 1: EGR System Repair Verification Drive Mode Graph (Vehicle Speed Vs Time)
    G00974371Courtesy of MAZDA MOTORS CORP.