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Home >> Subaru >> 2015 >> XV Crosstrek Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (Except Hybrid) >> Camshaft Position Sensor >> Inspection >> Camshaft Position Sensor (Method With Oscilloscope)

Camshaft Position Sensor (Method With Oscilloscope)

  1. Prepare an oscilloscope.
  2. Remove the glove box. < Ref. to REMOVAL , Glove Box.>
  3. Connect the probe to ECM connector.
    Fig 1: Identifying Camshaft Position Sensor (Method With Oscilloscope)
    G09475469Courtesy of SUBARU OF AMERICA, INC.
    • Intake camshaft position sensor
      Fig 2: Connecting Intake Camshaft Position Sensor Probe To ECM Connector
      G00554614Courtesy of SUBARU OF AMERICA, INC.
    • Exhaust camshaft position sensor
      Fig 3: Connecting Exhaust Camshaft Position Sensor Probe To ECM Connector
      G00554615Courtesy of SUBARU OF AMERICA, INC.
      Camshaft position sensor Terminal No. Probe
      Intake RH 26 +
      LH 15 +
      Exhaust RH 14 +
      LH 25 +
      RH and LH 34 -
  4. Start the engine and let it idle.
  5. Check the waveforms and voltage.
    NOTE: For Waveform and voltage, refer to "Engine Control Module (ECM) I/O Signal". Ref. to ELECTRICAL SPECIFICATION , Engine Control Module (ECM) I/O Signal.>.
  6. After inspection, install the related parts in the reverse order of removal.
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