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Home >> Mazda >> 2014 >> CX-5 Touring, 4D Utility, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting - Engine Controls >> 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 is switched ON and then off.
    • If there is no operation sound, inspect the following:
      • Main relay (See RELAY INSPECTION .)
      • Wiring harness and connector between battery and main relay terminal A
      • Wiring harness and connector between PCM terminal 2K and main relay terminal E