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Home › Nissan-Datsun › 2004 › Sentra SE-R › Repair and Diagnosis › External Pages › Different car › Section 412 (Engine Control System) › DTC P0340: CMP Sensor (Phase) › Diagnostic Procedure › 7. Check CMP Sensor (Phase) Input Signal Circuit For Open And Short

7. Check CMP Sensor (Phase) Input Signal Circuit For Open And Short

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect ECM harness connector.
  2. Check harness continuity between ECM terminal 84 and CMP sensor (PHASE) terminal 2.

    Refer to WIRING DIAGRAM .

    Continuity should exist. 

  3. Also check harness for short to ground or short to power.

OK or NG 

  1. OK: GO TO 8.
  2. NG: Repair open circuit or short to ground or short to power in harness or connectors.
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