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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 201 (Engine Control System) >> DTC P0340: CMP Sensor (Phase) >> Diagnostic Procedure >> 5. Check CMP Sensor (Phase) Ground Circuit For Open And Short
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5. Check CMP Sensor (Phase) Ground Circuit For Open And Short

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch OFF.
  2. Check harness continuity between CMP sensor (PHASE) terminal 1 and ground.
    1. Continuity should exist. 
  3. Also check harness for short to power.

OK or NG 

OK : GO TO 7. CHECK CMP SENSOR (PHASE) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT .

NG : GO TO 6.