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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Injector Circuit >> Diagnostic Procedure >> 6. Check Sub-Harness Circuit For Open And Short

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 Harness Continuity Between Terminals
G00796676Courtesy of NISSAN MOTOR CO., U.S.A.

Continuity should exist. 

OK or NG 

  1. OK: GO TO 7.
  2. NG: Repair open circuit or short to ground or short to power in harness or connectors.