LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2017 >> BRZ Series.Yellow >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Service Information) >> Oxygen sensor (FA20) >> Unit inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Unit inspection

  1. Inspection of oxygen sensor
    1. Measure the resistance between the terminals.
    RESISTANCE SPECIFICATIONS

    Inspection terminals Inspection conditions Standard value
    1 - 2 20°C {68°F} 5.0 to 6.4Ω
    1 - 4 Always 10 k Ωor more
    Fig 1: Identifying Oxygen Sensor Connector Terminals
    G11258426Courtesy of SUBARU OF AMERICA, INC.