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Home >> Mazda >> 2010 >> 3 i SV, 2.0 F >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [LF, L5] - Engine >> Engine Control System Operation Inspection >> Main Relay Operation Inspection

Main Relay Operation Inspection

  1. Verify that the main relay clicks when the ignition is switched to ON and off.
    • If there is no operation sound, inspect the following:
      • Main relay (See RELAY INSPECTION .)
      • Harness and connector between ignition switch*1 /relay block*2 and main relay
      • Harness and connector between PCM terminal 1Q and main relay terminal B

*1 : Vehicles without advanced keyless entry and push button start system

*2 : Vehicles with advanced keyless entry and push button start system