Check "S" Terminal Circuit

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER SUPPLY FOR STARTER MOTOR "S" TERMINAL
1. Remove the fuel pump fuse.
2. Crank or start the engine (where possible) until the fuel pressure is released.
3. Turn the ignition switch OFF.
4. Disconnect starter motor connector F28.
5. Check voltage between starter motor connector F28 terminal S (B/W) and ground using a digital circuit tester.
  
  Fig 1: Checking Voltage Between Terminal S & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Ignition switch in START: Battery voltage
OK or NG
- OK: GO TO 2.
- NG: Check the following.
  - 40A fusible link (letter k , located in fuse and fusible link box)
  - Starter relay [within the intelligent power distribution module engine room (IPDM E/R)]
  - Harness for open or short
CHECK "S" TERMINAL CONNECTION QUALITY (VOLTAGE DROP TEST)
1. Connect starter motor connector F28.
2. Check voltage between starter motor connector F28 terminal S (B/W) and battery positive terminal using a digital circuit tester.
  
  Fig 2: Checking Voltage Between Terminal S & Battery Positive Terminal
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Ignition switch in START: Less than 1V
OK or NG
- OK: Starter motor "S" terminal circuit is OK. Further inspection is necessary. Refer to "WORK FLOW ".
- NG: Check harness between the battery and the starter motor "S" terminal for poor continuity.