Power Supply and Ground Circuit Check

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

CHECK FUSES
- Check for blown combination meter fuses.
  
  Fig 1: Combination Meter Fuses Specification
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 2.
2. NG: If fuse is blown, be sure to eliminate cause of problem before installing new fuse.
POWER SUPPLY CIRCUIT CHECK
1. Disconnect the combination meter connector.
2. Check voltage between combination meter harness connectors M24 terminal 5 (Y/R), 17 (GY), 18 (GY) and ground.
  
  Fig 2: Power Supply Circuit Terminal Voltage Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Checking Voltage Between Combination Meter Harness Connectors M24 Terminal 5 (Y/R) And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 3.
2. NG: Check harness for open or short between combination meter and fuse.
GROUND CIRCUIT CHECK
Check continuity between combination meter harness connector terminal 6 (B) and 39 (B), and ground.

Fig 4: Ground Circuit Connector Terminal Continuity Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Inspection End
2. NG: Check ground harness.