Power Supply and Ground Circuit Check

CHECK FUSES
- Check for blown combination meter and unified meter and A/C amp. fuses.
  
  Fig 1: Fuse No And Unit Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: GO TO 2.

NG: If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
CHECK POWER SUPPLY CIRCUIT
1. Disconnect the combination meter connector and unified meter and A/C amp. connector.
2. Check voltage between combination meter connector and ground.
  
  Fig 2: Power Supply Circuit Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 3: Checking Voltage Between Combination Meter Connector And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check voltage between unified meter and A/C amp. connector and ground.
  
  Fig 4: Ignition Switch Position Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 5: Checking Voltage Between Unified Meter And A/C Amp, Connector And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  OK or NG
  
  OK: GO TO 3.
  
  NG: Check the following.
  - Harness for open between combination meter and fuse
  - Harness for open between unified meter and A/C amp. and fuse
CHECK GROUND CIRCUIT
1. Check continuity between combination meter and ground.
  
  Fig 6: Checking Continuity Between Combination Meter And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 7: Continuity Terminal Condition Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
2. Check continuity between unified meter and A/C amp. and ground.
  
  Fig 8: Continuity Terminal Condition Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 9: Checking Continuity Between Unified Meter And A/C Amp, And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: Inspection end.

NG: Check ground harness.