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Home >> Infiniti >> 2005 >> G35 x >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Combination Meters - Sedan >> Combination Meters >> Power Supply and Ground Circuit Inspection

Power Supply and Ground Circuit Inspection

  1. CHECK FUSE 

    Check for blown combination meter fuses.

    Fig 1: Combination Meter Check Fuse Table
    G02355670Courtesy 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 malfunction before installing new fuse.
  2. CHECK POWER SUPPLY CIRCUIT 

    Check voltage between combination meter harness connector M19 terminals 18 (LG), 21 (R/W), 22 (G/Y), 23 (G/Y) and ground.

    Fig 2: Combination Meter Harness Connector M19 Terminals And Ground Voltage Table
    G02355671Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Checking Voltage Between Combination Meter Harness Connector M19 Terminals And Ground
    G02355672Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 3.
    2. NG: Check harness between combination meter and fuse.
  3. CHECK GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect combination meter connector.
    3. Check continuity between combination meter harness connector M19 terminals 1 (B), 24 (B), 25 (B) and ground.

      1(B) - Ground 

      24(B) - Ground: Continuity should exist. 

      25(B) - Ground 

    OK or NG 

    1. OK: INSPECTION END
    2. NG: Repair ground harness.
      Fig 4: Checking Continuity Between Combination Meter Harness Connector M19 Terminals And Ground
      G02355673Courtesy of NISSAN MOTOR CO., U.S.A.