LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2016 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting - Engine >> Engine Control System Operation Inspection >> Engine Control System Inspection >> Main Relay Operation Inspection >> EGR Valve Operation Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

EGR Valve Operation Inspection

  1. Verify that the MAP sensor is normal. Refer too MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR INSPECTION [SKYACTIV-G 2.5T] .)
  2. Connect the M-MDS to the DLC-2.
  3. Start the engine.
  4. Access the following PCM PIDs using the M-MDS. Refer too ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 2.5T)] .)
    • SEGRP
    • SEGRP_DSD
  5. Verify the SEGRP PID value when the simulation item SEGRP_DSD increases from 0 % to 100 %.