Crankshaft Position Sensor (Method With Oscilloscope)

WARNING: This page is about a different variant/trim than selected.

Connect the probe to ECM connector.

Fig 1: Locating Glove Box Lid Assembly

Courtesy of SUBARU OF AMERICA, INC.

Fig 2: Connecting Probe To ECM Connector

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TERMINALS REFERENCE CHART

Terminal No.	Probe
17	+
25	-

Start the engine and let it idle.
Check that the pattern is the same as the waveform and voltage shown below.

Fig 3: Crankshaft Position Sensor Waveform Graph
Courtesy of SUBARU OF AMERICA, INC.
After inspection, install the related parts in the reverse order of removal.