subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Oxygen Sensor > < Manifold Pressure/Vacuum Sensor|Locations|Page 1597
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4.

Start and idle engine.  Measure voltage across ECU connector terminals as follows:

Connector & terminal:

Voltage: [1]

(F121)3-(F121)1

1.6-2.1V

(F121)3-(F121)2

1.6-2.1V

[1] With atmospheric pressure at 760mmHg (29.92 inHg).

Oxygen Sensor > < Manifold Pressure/Vacuum Sensor|Locations|Page 1597