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Home >> Mazda >> 2006 >> 3 s, 4D Hatchback, 2.3 4, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine Control System) >> Engine Control System Operation Inspection >> Main Relay Operation Inspection
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Main Relay Operation Inspection

  1. Verify that the main relay clicks when the ignition switch is turned to ON position and off.
    • If there is no operation sound, inspect the following:
      • Main relay (See RELAY INSPECTION ).
      • Harness and connector between ignition switch and main relay terminal A.
      • Harness and connector between PCM terminal 1AT and main relay terminal B.