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Home >> Mazda >> 2011 >> RX-8 R3, 1.3 4 >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine Mechanical] >> 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 the ON position and 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 1AW, 1BE and main relay terminal C.
      • Wiring harness and connector between PCM terminal 1Q and main relay terminal E.
      • Wiring harness and connector between PCM terminal 1AY and engine fuse.
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