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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.5 >> Diagnostic Tests >> DTC P0011: Intake Valve Timing (IVT) Control Performance Problem >> Diagnostic Procedure
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Diagnostic Procedure

  1. Check Crankshaft Position (CKP) sensor (POS). Disconnect CKP sensor harness connector and remove sensor. See Figure. Visually check sensor for damage. Measure resistance between CKP sensor terminals. See CKP & CMP SENSOR SPECIFICATIONS  for terminal selections. If CKP sensor is OK, reinstall and go to next step. If CKP sensor is not OK, replace sensor, perform DTC CONFIRMATION TEST  to verify repair.
    CKP & CMP SENSOR SPECIFICATIONS

    Terminal No. (Observe Polarity) Resistance Ohms @ 77°F (25°C)
    No. 1 (+)-No. 2 (-) Above/Between 0 and Below/Infinity
    No. 1 (+)-No. 3 (-) Above/Between 0 and Below/Infinity
    No. 2 (+)-No. 3 (-) Above/Between 0 and Below/Infinity
  2. Check Camshaft Position (CMP) sensor (PHASE). Disconnect CMP sensor harness connector and remove sensor. See Figure. Visually check sensor for damage. Measure resistance between CMP sensor terminals. See CKP & CMP SENSOR SPECIFICATIONS  for terminal selections. If CMP sensor is OK, reinstall and go to next step. If CMP sensor is not OK, replace sensor, perform DTC CONFIRMATION TEST  to verify repair.
  3. Check for accumulation of debris on signal pick-up portion of camshaft. Check for chipping of signal plate. If problem is found, clean, repair or replace as necessary. Perform DTC CONFIRMATION TEST  to verify repair. If problem is not found, go to next step.
  4. Problem is intermittent condition. See INTERMITTENTS in TROUBLESHOOTING - NO CODES article. Perform DTC CONFIRMATION TEST  to verify repair.
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