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 "S" TERMINAL CONNECTION
Check to see if "S" terminal is clean and tight.

OK or NG
- OK: GO TO 2.
- NG: Repair "S" terminal connection. Confirm repair by performing complete Battery/Starting/Charging system test.
CHECK GENERATOR "S" TERMINAL CIRCUIT
Check voltage between generator connector F1 terminal S (Y/B) and ground using a digital circuit tester.

Fig 1: Checking Voltage Between Terminal S & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

Battery voltage should exist

OK or NG
- OK: GO TO 3.
- NG: Check the following.
  - 10A fuse (No. 26, located in fuse and fusible link box)
  - Harness for open or short between generator and fuse
CHECK "S" TERMINAL CONNECTION QUALITY (VOLTAGE DROP TEST)
Check voltage between generator connector F1 terminal S (Y/B) 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.

With engine running at idle and warm: Less than 0.2V

OK or NG
- OK: Replace the generator. Refer to "REMOVAL ". Confirm repair by performing complete Battery/Starting/Charging system test.
- NG: Check harness between the battery and the generator for poor continuity.