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Home >> Subaru >> 2011 >> Outback R >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection Fuel Systems (H6DO) >> Crankshaft Position Sensor >> Inspection >> Crankshaft Position Sensor (Method With Oscilloscope)
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Crankshaft Position Sensor (Method With Oscilloscope)

  1. Prepare an oscilloscope.
  2. Remove the glove box lid assembly. Refer to GLOVE BOX .
  3. Connect the probe to ECM connector.
    Fig 1: Connecting Probe To ECM Connector
    G07912303Courtesy of SUBARU OF AMERICA, INC.
    Terminal No. Probe
    17 +
    25 -
  4. Start the engine and let it idle.
  5. Check that the pattern is the same as the waveform and voltage shown below.
    Fig 2: Crankshaft Position Sensor Waveform
    G07912304Courtesy of SUBARU OF AMERICA, INC.
  6. After inspection, install the related parts in the reverse order of removal.
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