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Home >> Acura >> 2012 >> MDX >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> ECT Sensor 1 Replacement
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ECT Sensor 1 Replacement

  1. Drain the engine coolant (see COOLANT CHECK ).
  2. Remove the engine cover (see step 6 under ENGINE REMOVAL ).
  3. Remove the main under-hood fuse box.
  4. Disconnect the ECT sensor 1 2P connector (A).
    Fig 1: Identifying ECT Sensor 1 2P Connector And O-Ring
    G08057171Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove ECT sensor 1 (B).
  6. Install the parts in the reverse order of removal with a new O-ring (C), then refill the radiator with engine coolant (see COOLANT CHECK ).
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