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Home >> Subaru >> 2020 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Service Information) >> Air/fuel Ratio Sensor (FA20) >> Unit Inspection
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Unit Inspection

G12586461Courtesy of SUBARU OF AMERICA, INC.
  1. Inspection of air/fuel ratio sensor
    1. Measure the resistance between the terminals.
STANDARD VALUE RESISTANCE SPECIFICATION

Inspection terminals Inspection conditions Standard value
1 - 2 20°C {68°F} 1.98 to 2.64 Ω
1 - 4 Always 10 k Ω or more