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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Injector Circuit >> Diagnostic Procedure >> 6. Check Sub-Harness Circuit For Open And Short
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6. Check Sub-Harness Circuit For Open And Short

  1. Disconnect injector harness connectors.
  2. Check harness continuity between the following terminals. Refer to Wiring Diagram.
    Fig 1: Checking Sub-Harness Circuit For Open & Short
    G00761369Courtesy of NISSAN MOTOR CO., U.S.A.
    1. Continuity should exist. 

OK or NG 

OK: GO TO 7.

NG: Repair open circuit or short to ground or short to power in harness or connectors.