Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2020 Subaru Outback Limited XTFACTORY OEM SERVICE PROCEDURE
Crankshaft Position Sensor
- Disconnect the ground terminal from battery sensor. Refer to REPAIR CONTENTS>NOTE>BATTERY .
- Prepare an oscilloscope.
- Disconnect the connector from ECM in numerical order as shown in the figure.
- Attach the ST between the ECM, engine wiring harness and the bulkhead wiring harness. Refer to ENGINE (Diagnostics) (H4DOTC)>General Description>PREPARATION TOOL>HOW TO USE CHECK BOARD
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Special tool:
CHECK BOARD (18460AA150)
- Connect the probe to ST.
Terminal No. Probe (E52) No. 14 + (B61) No. 40 - - Connect the ground terminal to battery sensor. Refer to REPAIR CONTENTS>NOTE>BATTERY .
- Start the engine and let it idle.
- Check the waveforms and voltage.NOTE: For waveform and voltage, refer to ENGINE (DIAGNOSTICS) (H4DOTC)>Control Module I/O Signal>ELECTRICAL SPECIFICATION .
- After inspection, install the related parts in the reverse order of removal.NOTE: For installation procedures of ECM connectors, refer to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Engine Control Module (ECM)>INSTALLATION .
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.