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.
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HOMESERVICE MANUALSSUBARU1994LEGACY L, 4D SEDAN, FWD, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/CODESDIAGNOSTIC CODE TESTINGCODE 11 - CRANK ANGLE SENSOR
1994 Subaru Legacy L, 4D Sedan, FWD, Standard
Code 11 - Crank Angle Sensor
1994 Subaru Legacy L, 4D Sedan, FWD, StandardSECTION Code 11 - Crank Angle Sensor
NOTE:
Refer to illustration for ECU connector and terminal identification. See Figure
.
- Disconnect crank angle sensor. Connect voltmeter set to low volts AC scale between crank angle sensor terminals. Crank engine and ensure voltage fluctuates with RPM. If voltage does not fluctuate, replace crank angle sensor. If voltage fluctuates, go to next step.
- Disconnect ECU and crank angle sensor connectors. Measure resistance between ECU connector and crank angle sensor connector. See ECU CONNECTOR & CRANK ANGLE SENSOR RESISTANCE SPECIFICATIONS
table.ECU CONNECTOR & CRANK ANGLE SENSOR RESISTANCE SPECIFICATIONS
ECU & Crank Angle Sensor Terminals Ohms Non-Turbo No. 1 (1) & No. 1 Zero No. 2 (1) & No. 2 Zero No. 3 (1) & No. 3 One (Max.) Turbo No. 4 (2) & No. 1 Zero No. 5 (2) & No. 2 Zero No. 6 (2) & No. 3 One (Max.) (1) Measure at ECU connector B56. (2) Measure at ECU connector B58. - Measure resistance between crank angle sensor connectors and ground. If resistance is not at least one megohm, replace crank angle sensor.
- Reconnect ECU connector and measure resistance between crank angle sensor sealed terminal (Yellow wire) and ground. Less than one ohm should be present. Disconnect cam angle sensor connector and measure resistance between sealed terminal (Yellow wire) and ground. Less than one ohm should be present.
- If resistances are not to specification, repair harness and/or connector. If resistances are to specification, check ECU terminals for poor contact or replace ECU.
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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.