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ECT Sensor 1 Replacement

  1. Drain the engine coolant (see COOLANT REPLACEMENT ).
  2. Remove the air cleaner (see AIR CLEANER REMOVAL/INSTALLATION ).
  3. Disconnect the CMP sensor A 3P connector (A), and the CMP sensor B 3P connector (B).
    Fig 1: Identifying CMP Sensor A 3P Connector, And CMP Sensor B 3P Connector
    G06273282Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Remove the harness cover (C).
  5. Disconnect the ECT sensor 1 2P connector (A).
    Fig 2: Identifying ECT Sensor 1 2P Connector
    G06273283Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Remove ECT sensor 1 (B).
  7. Install the parts in the reverse order of removal with a new O-ring (C), then refill the radiator with engine coolant (see COOLANT REPLACEMENT ).