How To Check Enlarged Contact Spring Of Terminal

WARNING: This page is about a different car, the 2003 Infiniti QX4. However, it is still accessible from the selected car via links, so may be relevant.

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.

Assemble a male terminal and approx. 10 cm (3.9 in) of wire.
Use a male terminal which matches the female terminal.
Disconnect the suspected faulty connector and hold it terminal side up.

Fig 1: Displaying Assembled View Of Male Terminal With Wire
Courtesy of NISSAN MOTOR CO., U.S.A.
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: Precaution For Not Applying Force Against Terminal
Courtesy of NISSAN MOTOR CO., U.S.A.
While moving the connector, check whether the male terminal can be easily inserted or not.

Fig 3: Checking Fit Of Male Terminal
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: Fitting Of Male Terminal
  Courtesy of NISSAN MOTOR CO., U.S.A.