How To Check Enlarged Contact Spring Of Terminal

An enlarged contact spring of a terminal may create intermittent signals in the circuit.

If the intermittent open circuit occurs, follow the procedure below to inspect for open wires and enlarged contact spring of female terminal.

1. Assemble a male terminal and approx. 10 cm (3.9 in) of wire.

   Use a male terminal which matches the female terminal.

2. Disconnect the suspected faulty connector and hold it terminal side up.
   Fig 1: Locating Male Terminal & Wire

   Courtesy of NISSAN MOTOR CO., U.S.A.
3. While holding the wire of the male terminal, try to insert the male terminal into the female terminal.

   Do not force the male terminal into the female terminal with your hands.

   Fig 2: Inserting Male Terminal Into Female Terminal

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. While moving the connector, check whether the male terminal can be easily inserted or not.
   Fig 3: Checking Whether Male Terminal Fits

   Courtesy of NISSAN MOTOR CO., U.S.A.
   • If the male terminal can be easily inserted into the female terminal, replace the female terminal.
   Fig 4: Identifying Proper Insertion Of Male Terminal

   Courtesy of NISSAN MOTOR CO., U.S.A.