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Home >> Subaru >> 2010 >> Legacy Premium, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Fuel Injection System - Fuel Injection (Fuel Systems) (H6DO - 3.6L DOHC)) >> Crankshaft Position Sensor >> Inspection >> Crankshaft Position Sensor (Method With Oscilloscope)

Crankshaft Position Sensor (Method With Oscilloscope)

WARNING: This page is about a different variant/trim than selected.
  1. Prepare an oscilloscope.
  2. Remove the glove box lid assembly. Ref. to REMOVAL , Glove Box.
  3. Connect the probe to ECM connector.
    Fig 1: Connecting Probe To ECM Connector
    G06651236Courtesy of SUBARU OF AMERICA, INC.
    TERMINAL REFERENCE CHART

    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 Voltage Waveform
    G06651237Courtesy of SUBARU OF AMERICA, INC.
  6. After inspection, install the related parts in the reverse order of removal.
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