FixVault

Main Relay Operation Inspection

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  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